Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description The Role:  Reporting to the Turbine Island Lead, the Senior Mechanical Design Engineer will be responsible for developing fluid systems. The Senior Mechanical Design Engineer shall work closely with multi-disciplined teams and the supply chain to help deliver the system design.  Key Responsibilities: * Develop 2D CAD drawings, including process flow diagrams (PFD) and process and instrumentation diagrams (P&ID). * Prepare 3D CAD/BIM models, plant layouts, piping design, isometrics, MTO, general arrangement drawings, detail drawings and sketches. * Perform layout optimisation engineering across design phases. * Participate to 3D model reviews, layout reviews, design reviews and technical meetings. * Ensure compliance with required design safety factors, tolerances, specifications, standards, codes, legislation and requirements. * Collaborate with multi-disciplinary engineering teams to ensure a coordinated design. * Maintain records of design process in accordance with sound design practices * Maintain and update databases for CAD/BIM design documentation. * Report status and updates to management line * Support team and maintain required standards and expectations. Meet targets, quality, time and budget constraints. * Support and mediate solutions and issues with resolution with all stakeholders being aligned. * Ensure adherence to the company statutory H&S Policies and rules and compliance with the project and Quality Why Join the Community of Switchers? * 🌟 Over 55 years in nuclear engineering. * 🏆 Ranked among the top 3 largest nuclear engineering companies. * 💼 Attractive social benefits, including an engaging Employee Committee and holiday bonuses. * 📚 Ongoing training with numerous career opportunities. * 📈 70% of our managers are promoted internally! * 🏠 Hybrid work: 1-2 days remote per week. Qualifications Essential Skills, Qualifications and Experience: * Previous experience as a Mechanical Design Engineer or a similar role * Ability to work within the engineering team to realise designs * Familiarity with 2D CAD systems (AutoCAD) for drawing creation * Familiarity with 3D CAD/BIM systems (Revit, Inventor, Solidworks, Solid Edge, Siemens NX, PDMS, AutoCAD Plant 3D or similar) for model and drawing creation * Professional qualification in an engineering related field * SC Clearance or capable of achieving it   Personal Specification/Attributes:   * Good communication skills, written and oral * Focus on delivering quality output to time and budget * Act with integrity and instils this in others * Ability to work with a good degree of independence, using their own initiative and self-motivation * Flexible, agile to the role needs, to maintain delivery targets * Confident in being suggestive to alternative solutions that provide safety, time, cost and quality solutions * Team player * Ability to manage own time and to deliver within agreed timescales Additional Information Security clearance: Due to the nature of work to be undertaken applicants will be required to meet certain residency criteria in order to attain a minimum level of UK security clearance if not already security cleared to a minimum SC level. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ siècle. Au cœur de ces enjeux, Assystem accompagne ses clients dans la réalisation de leurs projets les plus stratégiques. Et pour y parvenir, nos 8 000 Switchers mobilisent leur expertise en ingénierie, management de projet et digital. Présents dans 13 pays (Europe, Moyen-Orient, Asie centrale, Amérique du Nord), nous contribuons au développement de nouvelles capacités de production d’électricité nucléaire, au maintien en conditions opérationnelles des installations existantes, ainsi qu'à la conception et à la réalisation d'infrastructures critiques, notamment dans le secteur de la défense. Description du poste Votre future équipe Rejoignez Lauréva, Manager Technique, et son équipe spécialisée en ingénierie des systèmes industriels et en transformation digitale, et intervenez sur des projets à forte valeur ajoutée, en collaboration avec des acteurs majeurs de l’industrie, dans des environnements exigeants et variés (énergie, infrastructures, procédés industriels…). Vos missions 🔹 Concevoir, développer et déployer des solutions de supervision et de pilotage industriel (SCADA / MES) adaptées aux besoins des utilisateurs, 🔹 Participer à l’analyse fonctionnelle et à la définition des architectures techniques des systèmes, 🔹 Réaliser le développement d’applications à l’aide de solutions du marché telles que les suites AVEVA (InTouch, Wonderware, System Platform), ainsi que d’autres outils de supervision, 🔹 Intégrer des composants logiciels en s’appuyant sur des environnements de développement (type .NET), des bases de données relationnelles et des standards de communication industrielle, 🔹 Mettre en œuvre des méthodologies de conception (Agile, UML, MBSE…) pour garantir la qualité et la robustesse des solutions, 🔹 Effectuer les phases de tests, de validation et de recette des applications développées, 🔹 Participer à la mise en service sur site et assurer le support technique auprès des utilisateurs, 🔹 Contribuer à l’amélioration continue des pratiques et des outils au sein de l’équipe. Pourquoi rejoindre la communauté des Switchers ? 💪 Rejoignez la 1ère société d’ingénierie nucléaire indépendante en Europe et profitez de près de 60 ans d’expérience sur l’ensemble du cycle de vie des grands projets énergétiques et industriels. 🚀Profitez d'une véritable dynamique d'évolution avec près de 300 mobilités internes réalisées par an et 70 % des managers issus de la promotion interne. 🧭Bénéficiez d'un accord télétravail flexible (jusqu'à 2 jours par semaine pour les postes éligibles) et d'actions concrètes en faveur de votre équilibre vie pro / vie perso. Qualifications Vos atouts et les prérequis pour réussir 🔹 Diplômé(e) d'une formation BAC+5 (ingénieur ou master) technique axée sur l'Informatique industrielle. 🔹 Vous êtes techniquement à l’aise avec la pratique de Progiciels de développement de supervision (Aveva System Platform, CODRA, Coox…), progiciels MES (suite logicielle Aveva System Platform, Coox), au moins une base de données relationnelle (MS SQL, Postgre, …), langages et outils de développement tels que Visual.net, publication Web, Java, XML. 🔹 La maitrise d’une méthodologie de conception de système (UML, MCSE, AGIL …) et des notions de programmation sur automates Schneider et Siemens seraient un atout. 🔹 Vous avez de réelles qualités relationnelles avec le souhait de développer vos compétences techniques et de vous exprimer au sein d’une équipe orientée sur les nouvelles technologies. Informations supplémentaires Nous nous engageons au respect de l’égalité de traitement entre les candidats, et cultivons toutes les formes de diversité. Chez Assystem, seules les compétences comptent ! Si vous souhaitez porter à la connaissance d’Assystem une quelconque situation ou des besoins spécifiques, n’hésitez pas : vous serez accompagné(e) !

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀Reporting to the Layout Engineering Manager, the Principal Layout Integration Engineer will provide technical leadership across Fusion and Modular Nuclear programmes. The Principal Layout Integration Engineer will act as a recognised subject matter expert for plant layout integration, piping layout, building integration, modularisation and multidisciplinary coordination. The role will support project delivery, capability growth, business development and development of engineering best practice. Whilst providing technical leadership and strategic direction, the Principal Layout Integration Engineer will remain actively involved in project delivery, supporting development of complex layouts, technical studies and resolution of challenging engineering issues. Key Responsibilities * Lead plant layout development from concept through detailed design for complex facilities and plant areas. * Act as technical lead for major buildings, systems or programme-level integration activities. * Lead development of equipment, piping, cable tray, access and maintenance arrangements. * Lead piping routing studies and layout optimisation activities. * Provide technical leadership across multiple projects and programmes. * Lead requirements-driven layout development and multidisciplinary integration activities. * Define layout integration methodologies, standards and engineering approaches. * Lead major optioneering, constructability, modularisation and plant integration studies. * Lead complex multidisciplinary reviews and technical workshops. * Provide technical assurance and review of layout deliverables. * Lead resolution of complex layout, routing, requirements and integration challenges. * Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements. * Support bids, proposals and client engagement activities. * Develop layout standards, procedures and best practice guidance. * Mentor engineers and support capability development. * Support recruitment, succession planning and capability growth. * Author and review technical reports, engineering strategies and client-facing documentation 🌟 Why Apply? Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation. Benefits include: * Pension scheme (8% company contribution / 4% personal contribution) * 25 days’ paid annual leave + bank holidays + option to buy or sell days * Professional fees reimbursed * Flexible working * Employee referral scheme Qualifications Essential Skills, Qualifications and Experience * Degree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience. * Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery. * Experience leading complex engineering studies and technical decision-making. * Strong understanding of systems engineering principles, requirements management and interface management. * Strong understanding of constructability, maintainability, modularisation and lifecycle considerations. * Experience leading multidisciplinary teams, workshops and design reviews. * Experience supporting major design reviews, technical governance activities and engineering assurance processes. * Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks, or equivalent platforms. * Excellent report writing, presentation and stakeholder management skills. * Proven ability to influence senior stakeholders, clients and project teams. * Ability to define engineering strategy whilst remaining engaged in technical delivery. * SC Clearance or capable of achieving it. Desirable Skills and Experience * Experience within the nuclear, fusion, SMR or AMR sectors. * Experience supporting business development and client-facing activities. * Experience developing engineering standards, methodologies and governance processes. * Candidates able to demonstrate experience through technical leadership, engineering decision-making and delivery of complex engineering projects are encouraged to apply. Additional Information We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀Reporting to the Layout Engineering Manager, the Principal Layout Integration Engineer will provide technical leadership across Fusion and Modular Nuclear programmes. The Principal Layout Integration Engineer will act as a recognised subject matter expert for plant layout integration, piping layout, building integration, modularisation and multidisciplinary coordination. The role will support project delivery, capability growth, business development and development of engineering best practice. Whilst providing technical leadership and strategic direction, the Principal Layout Integration Engineer will remain actively involved in project delivery, supporting development of complex layouts, technical studies and resolution of challenging engineering issues. Key Responsibilities * Lead plant layout development from concept through detailed design for complex facilities and plant areas. * Act as technical lead for major buildings, systems or programme-level integration activities. * Lead development of equipment, piping, cable tray, access and maintenance arrangements. * Lead piping routing studies and layout optimisation activities. * Provide technical leadership across multiple projects and programmes. * Lead requirements-driven layout development and multidisciplinary integration activities. * Define layout integration methodologies, standards and engineering approaches. * Lead major optioneering, constructability, modularisation and plant integration studies. * Lead complex multidisciplinary reviews and technical workshops. * Provide technical assurance and review of layout deliverables. * Lead resolution of complex layout, routing, requirements and integration challenges. * Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements. * Support bids, proposals and client engagement activities. * Develop layout standards, procedures and best practice guidance. * Mentor engineers and support capability development. * Support recruitment, succession planning and capability growth. * Author and review technical reports, engineering strategies and client-facing documentation 🌟 Why Apply? Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation. Benefits include: * Pension scheme (8% company contribution / 4% personal contribution) * 25 days’ paid annual leave + bank holidays + option to buy or sell days * Professional fees reimbursed * Flexible working * Employee referral scheme Qualifications Essential Skills, Qualifications and Experience * Degree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience. * Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery. * Experience leading complex engineering studies and technical decision-making. * Strong understanding of systems engineering principles, requirements management and interface management. * Strong understanding of constructability, maintainability, modularisation and lifecycle considerations. * Experience leading multidisciplinary teams, workshops and design reviews. * Experience supporting major design reviews, technical governance activities and engineering assurance processes. * Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks, or equivalent platforms. * Excellent report writing, presentation and stakeholder management skills. * Proven ability to influence senior stakeholders, clients and project teams. * Ability to define engineering strategy whilst remaining engaged in technical delivery. * SC Clearance or capable of achieving it. Desirable Skills and Experience * Experience within the nuclear, fusion, SMR or AMR sectors. * Experience supporting business development and client-facing activities. * Experience developing engineering standards, methodologies and governance processes. * Candidates able to demonstrate experience through technical leadership, engineering decision-making and delivery of complex engineering projects are encouraged to apply. Additional Information We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀Reporting to the Layout Engineering Manager, the Principal Layout Integration Engineer will provide technical leadership across Fusion and Modular Nuclear programmes. The Principal Layout Integration Engineer will act as a recognised subject matter expert for plant layout integration, piping layout, building integration, modularisation and multidisciplinary coordination. The role will support project delivery, capability growth, business development and development of engineering best practice. Whilst providing technical leadership and strategic direction, the Principal Layout Integration Engineer will remain actively involved in project delivery, supporting development of complex layouts, technical studies and resolution of challenging engineering issues. Key Responsibilities * Lead plant layout development from concept through detailed design for complex facilities and plant areas. * Act as technical lead for major buildings, systems or programme-level integration activities. * Lead development of equipment, piping, cable tray, access and maintenance arrangements. * Lead piping routing studies and layout optimisation activities. * Provide technical leadership across multiple projects and programmes. * Lead requirements-driven layout development and multidisciplinary integration activities. * Define layout integration methodologies, standards and engineering approaches. * Lead major optioneering, constructability, modularisation and plant integration studies. * Lead complex multidisciplinary reviews and technical workshops. * Provide technical assurance and review of layout deliverables. * Lead resolution of complex layout, routing, requirements and integration challenges. * Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements. * Support bids, proposals and client engagement activities. * Develop layout standards, procedures and best practice guidance. * Mentor engineers and support capability development. * Support recruitment, succession planning and capability growth. * Author and review technical reports, engineering strategies and client-facing documentation 🌟 Why Apply? Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation. Benefits include: * Pension scheme (8% company contribution / 4% personal contribution) * 25 days’ paid annual leave + bank holidays + option to buy or sell days * Professional fees reimbursed * Flexible working * Employee referral scheme Qualifications Essential Skills, Qualifications and Experience * Degree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience. * Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery. * Experience leading complex engineering studies and technical decision-making. * Strong understanding of systems engineering principles, requirements management and interface management. * Strong understanding of constructability, maintainability, modularisation and lifecycle considerations. * Experience leading multidisciplinary teams, workshops and design reviews. * Experience supporting major design reviews, technical governance activities and engineering assurance processes. * Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks, or equivalent platforms. * Excellent report writing, presentation and stakeholder management skills. * Proven ability to influence senior stakeholders, clients and project teams. * Ability to define engineering strategy whilst remaining engaged in technical delivery. * SC Clearance or capable of achieving it. Desirable Skills and Experience * Experience within the nuclear, fusion, SMR or AMR sectors. * Experience supporting business development and client-facing activities. * Experience developing engineering standards, methodologies and governance processes. * Candidates able to demonstrate experience through technical leadership, engineering decision-making and delivery of complex engineering projects are encouraged to apply. Additional Information We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀Reporting to the Layout Engineering Manager, the Principal Layout Integration Engineer will provide technical leadership across Fusion and Modular Nuclear programmes. The Principal Layout Integration Engineer will act as a recognised subject matter expert for plant layout integration, piping layout, building integration, modularisation and multidisciplinary coordination. The role will support project delivery, capability growth, business development and development of engineering best practice. Whilst providing technical leadership and strategic direction, the Principal Layout Integration Engineer will remain actively involved in project delivery, supporting development of complex layouts, technical studies and resolution of challenging engineering issues. Key Responsibilities * Lead plant layout development from concept through detailed design for complex facilities and plant areas. * Act as technical lead for major buildings, systems or programme-level integration activities. * Lead development of equipment, piping, cable tray, access and maintenance arrangements. * Lead piping routing studies and layout optimisation activities. * Provide technical leadership across multiple projects and programmes. * Lead requirements-driven layout development and multidisciplinary integration activities. * Define layout integration methodologies, standards and engineering approaches. * Lead major optioneering, constructability, modularisation and plant integration studies. * Lead complex multidisciplinary reviews and technical workshops. * Provide technical assurance and review of layout deliverables. * Lead resolution of complex layout, routing, requirements and integration challenges. * Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements. * Support bids, proposals and client engagement activities. * Develop layout standards, procedures and best practice guidance. * Mentor engineers and support capability development. * Support recruitment, succession planning and capability growth. * Author and review technical reports, engineering strategies and client-facing documentation 🌟 Why Apply? Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation. Benefits include: * Pension scheme (8% company contribution / 4% personal contribution) * 25 days’ paid annual leave + bank holidays + option to buy or sell days * Professional fees reimbursed * Flexible working * Employee referral scheme Qualifications Essential Skills, Qualifications and Experience * Degree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience. * Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery. * Experience leading complex engineering studies and technical decision-making. * Strong understanding of systems engineering principles, requirements management and interface management. * Strong understanding of constructability, maintainability, modularisation and lifecycle considerations. * Experience leading multidisciplinary teams, workshops and design reviews. * Experience supporting major design reviews, technical governance activities and engineering assurance processes. * Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks, or equivalent platforms. * Excellent report writing, presentation and stakeholder management skills. * Proven ability to influence senior stakeholders, clients and project teams. * Ability to define engineering strategy whilst remaining engaged in technical delivery. * SC Clearance or capable of achieving it. Desirable Skills and Experience * Experience within the nuclear, fusion, SMR or AMR sectors. * Experience supporting business development and client-facing activities. * Experience developing engineering standards, methodologies and governance processes. * Candidates able to demonstrate experience through technical leadership, engineering decision-making and delivery of complex engineering projects are encouraged to apply. Additional Information We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀Reporting to the Layout Engineering Manager, the Principal Layout Integration Engineer will provide technical leadership across Fusion and Modular Nuclear programmes. The Principal Layout Integration Engineer will act as a recognised subject matter expert for plant layout integration, piping layout, building integration, modularisation and multidisciplinary coordination. The role will support project delivery, capability growth, business development and development of engineering best practice. Whilst providing technical leadership and strategic direction, the Principal Layout Integration Engineer will remain actively involved in project delivery, supporting development of complex layouts, technical studies and resolution of challenging engineering issues. Key Responsibilities * Lead plant layout development from concept through detailed design for complex facilities and plant areas. * Act as technical lead for major buildings, systems or programme-level integration activities. * Lead development of equipment, piping, cable tray, access and maintenance arrangements. * Lead piping routing studies and layout optimisation activities. * Provide technical leadership across multiple projects and programmes. * Lead requirements-driven layout development and multidisciplinary integration activities. * Define layout integration methodologies, standards and engineering approaches. * Lead major optioneering, constructability, modularisation and plant integration studies. * Lead complex multidisciplinary reviews and technical workshops. * Provide technical assurance and review of layout deliverables. * Lead resolution of complex layout, routing, requirements and integration challenges. * Ensure layout solutions satisfy operational, safety, constructability and lifecycle requirements. * Support bids, proposals and client engagement activities. * Develop layout standards, procedures and best practice guidance. * Mentor engineers and support capability development. * Support recruitment, succession planning and capability growth. * Author and review technical reports, engineering strategies and client-facing documentation 🌟 Why Apply? Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation. Benefits include: * Pension scheme (8% company contribution / 4% personal contribution) * 25 days’ paid annual leave + bank holidays + option to buy or sell days * Professional fees reimbursed * Flexible working * Employee referral scheme Qualifications Essential Skills, Qualifications and Experience * Degree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience. * Extensive experience in plant layout, piping layout, plant integration and multidisciplinary engineering delivery. * Experience leading complex engineering studies and technical decision-making. * Strong understanding of systems engineering principles, requirements management and interface management. * Strong understanding of constructability, maintainability, modularisation and lifecycle considerations. * Experience leading multidisciplinary teams, workshops and design reviews. * Experience supporting major design reviews, technical governance activities and engineering assurance processes. * Experience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor and Navisworks, or equivalent platforms. * Excellent report writing, presentation and stakeholder management skills. * Proven ability to influence senior stakeholders, clients and project teams. * Ability to define engineering strategy whilst remaining engaged in technical delivery. * SC Clearance or capable of achieving it. Desirable Skills and Experience * Experience within the nuclear, fusion, SMR or AMR sectors. * Experience supporting business development and client-facing activities. * Experience developing engineering standards, methodologies and governance processes. * Candidates able to demonstrate experience through technical leadership, engineering decision-making and delivery of complex engineering projects are encouraged to apply. Additional Information We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description Principal Stress Engineer / Technical Lead 📍Location: Newcastle, Derby, Bristol, Bolton, London, Glasgow, Warrington 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀 Assystem’s Fusion and Modular Nuclear team are working on some of the most projects in the UK. Our Simulation and Assessment team of stress engineers support these projects by producing design and regulatory justification assessments of high-integrity and safety critical components to international codes and standard such as RCC-M or ASME III. We are seeking a Principal Stress Engineer role who will lead the scoping, bidding and delivery of stress engineering work packages, and building and leading a team to deliver this work. * Lead bids and projects * Develop future technical leaders * Plan capability, resourcing and business wining alongside our leadership team Your Mission: 1. Technical Delivery You will lead project teams and technical work in client facing roles, delivering high-quality stress analysis and structural integrity assessments: * Act as a technical lead for stress and structural integrity, providing expert advice, troubleshooting, and technical oversight. * Represent Assystem in client meetings. * Serve as an Independent Technical Approver to ensure the highest engineering standards. * Use Finite Element Analysis and traditional hand calculations to justify strength, fatigue, defect tolerance, and structural performance to international codes and standards (including pressure vessel and defect-tolerance codes). * Collaborate closely with safety case authors, design engineers, and multidisciplinary delivery teams. * Mentor junior engineers, offering technical guidance and helping shape our next generation of stress specialists. 2. Capability Development Your role will play an important part in developing and growing Assystem’s internal stress capability: Capability Development * Support the strategic development roadmap for the UK stress engineering capability. * Maintain and improve technical processes, methods, best-practice guides and quality frameworks. * Monitor workload, skill gaps and training needs across the stress discipline. * Lead technical upskilling initiatives such as internal training pathways. Team Growth, Recruitment & Retention * Work with the Engineering Directors and Business Management teams to forecast demand, plan workforce requirements, and shape the long-term capability pipeline. * Support recruitment campaigns, interviewing and selecting high-quality candidates. * Ensure strong retention by fostering a supportive culture, mentoring talent, and providing growth opportunities. Bidding & Business Development * Collaborate with Sales and Business Development teams to identify opportunities where stress capability adds value. * Lead bids, proposals, client presentations and technical sales materials. * Represent stress capability in major pursuits and innovation initiatives. Internal & External Leadership * Act as a visible leader and ambassador for stress engineering across Assystem and with clients. * Build and maintain relationships with key technical stakeholders, partners and industry bodies. Why Join the Community of Switchers? * 🌟 Over 55 years in nuclear engineering. * 🏆 Ranked among the top 3 largest nuclear engineering companies. * 💼 Attractive social benefits, including an engaging Employee Committee and holiday bonuses. * 📚 Ongoing training with numerous career opportunities. * 📈 70% of our managers are promoted internally! * 🏠 Hybrid work: 1-2 days remote per week. Qualifications We Want Someone Who Can… * Lead high-performing teams supporting a range of customers and industry sectors. * Lead stress and structural integrity assessment projects using modern techniques. * Deliver and review high-quality technical assessments to recognised standards. * Mentor and guide junior engineers while acting as a senior technical reference point. * Work directly with clients to tackle complex stress and integrity challenges. * Demonstrate expert FE analysis capability (strength, fatigue, defects, lifetime assessments). * Apply ASME III / ASME VIII, RCC-M, R6 codes. * Desirable: experience in CFD, dynamics, fatigue, and degradation mechanisms. * Must have experience in the nuclear sector or a comparable highly regulated sector. Your Toolbox Should Include… * Degree in engineering + Chartered Engineer (CEng). * Experience in stress assessments in the nuclear sector. * Strong communicator with excellent commercial awareness. * Expert in ABAQUS (or ANSYS, LS-Dyna, etc.). * Experience with Altair Hyperworks or similar tools. * Familiarity with code assessments (e.g. ASME III, ASME VIII, RCC-M, PD5500, R6). * Coding and scripting using languages such as Python. * Knowledge of manufacturing methods, materials, and inspection techniques. 🚀 Not a perfect match? Let’s talk anyway—we’re open to developing the right talent. Additional Information Security Clearance This role requires the successful candidate to hold (or be able to obtain) Security Check (SC) clearance without any caveats. We are committed to equal treatment and fostering diversity. Skills, talent, and the courage to innovate are what matter most. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description Principal Stress Engineer / Technical Lead 📍Location: Newcastle, Derby, Bristol, Bolton, London, Glasgow, Warrington 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀 Assystem’s Fusion and Modular Nuclear team are working on some of the most projects in the UK. Our Simulation and Assessment team of stress engineers support these projects by producing design and regulatory justification assessments of high-integrity and safety critical components to international codes and standard such as RCC-M or ASME III. We are seeking a Principal Stress Engineer role who will lead the scoping, bidding and delivery of stress engineering work packages, and building and leading a team to deliver this work. * Lead bids and projects * Develop future technical leaders * Plan capability, resourcing and business wining alongside our leadership team Your Mission: 1. Technical Delivery You will lead project teams and technical work in client facing roles, delivering high-quality stress analysis and structural integrity assessments: * Act as a technical lead for stress and structural integrity, providing expert advice, troubleshooting, and technical oversight. * Represent Assystem in client meetings. * Serve as an Independent Technical Approver to ensure the highest engineering standards. * Use Finite Element Analysis and traditional hand calculations to justify strength, fatigue, defect tolerance, and structural performance to international codes and standards (including pressure vessel and defect-tolerance codes). * Collaborate closely with safety case authors, design engineers, and multidisciplinary delivery teams. * Mentor junior engineers, offering technical guidance and helping shape our next generation of stress specialists. 2. Capability Development Your role will play an important part in developing and growing Assystem’s internal stress capability: Capability Development * Support the strategic development roadmap for the UK stress engineering capability. * Maintain and improve technical processes, methods, best-practice guides and quality frameworks. * Monitor workload, skill gaps and training needs across the stress discipline. * Lead technical upskilling initiatives such as internal training pathways. Team Growth, Recruitment & Retention * Work with the Engineering Directors and Business Management teams to forecast demand, plan workforce requirements, and shape the long-term capability pipeline. * Support recruitment campaigns, interviewing and selecting high-quality candidates. * Ensure strong retention by fostering a supportive culture, mentoring talent, and providing growth opportunities. Bidding & Business Development * Collaborate with Sales and Business Development teams to identify opportunities where stress capability adds value. * Lead bids, proposals, client presentations and technical sales materials. * Represent stress capability in major pursuits and innovation initiatives. Internal & External Leadership * Act as a visible leader and ambassador for stress engineering across Assystem and with clients. * Build and maintain relationships with key technical stakeholders, partners and industry bodies. Why Join the Community of Switchers? * 🌟 Over 55 years in nuclear engineering. * 🏆 Ranked among the top 3 largest nuclear engineering companies. * 💼 Attractive social benefits, including an engaging Employee Committee and holiday bonuses. * 📚 Ongoing training with numerous career opportunities. * 📈 70% of our managers are promoted internally! * 🏠 Hybrid work: 1-2 days remote per week. Qualifications We Want Someone Who Can… * Lead high-performing teams supporting a range of customers and industry sectors. * Lead stress and structural integrity assessment projects using modern techniques. * Deliver and review high-quality technical assessments to recognised standards. * Mentor and guide junior engineers while acting as a senior technical reference point. * Work directly with clients to tackle complex stress and integrity challenges. * Demonstrate expert FE analysis capability (strength, fatigue, defects, lifetime assessments). * Apply ASME III / ASME VIII, RCC-M, R6 codes. * Desirable: experience in CFD, dynamics, fatigue, and degradation mechanisms. * Must have experience in the nuclear sector or a comparable highly regulated sector. Your Toolbox Should Include… * Degree in engineering + Chartered Engineer (CEng). * Experience in stress assessments in the nuclear sector. * Strong communicator with excellent commercial awareness. * Expert in ABAQUS (or ANSYS, LS-Dyna, etc.). * Experience with Altair Hyperworks or similar tools. * Familiarity with code assessments (e.g. ASME III, ASME VIII, RCC-M, PD5500, R6). * Coding and scripting using languages such as Python. * Knowledge of manufacturing methods, materials, and inspection techniques. 🚀 Not a perfect match? Let’s talk anyway—we’re open to developing the right talent. Additional Information Security Clearance This role requires the successful candidate to hold (or be able to obtain) Security Check (SC) clearance without any caveats. We are committed to equal treatment and fostering diversity. Skills, talent, and the courage to innovate are what matter most. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Job Description Principal Stress Engineer / Technical Lead 📍Location: Newcastle, Derby, Bristol, Bolton, London, Glasgow, Warrington 🚀 Join the Fusion and Modular Nuclear Business Unit! 🚀 Assystem’s Fusion and Modular Nuclear team are working on some of the most projects in the UK. Our Simulation and Assessment team of stress engineers support these projects by producing design and regulatory justification assessments of high-integrity and safety critical components to international codes and standard such as RCC-M or ASME III. We are seeking a Principal Stress Engineer role who will lead the scoping, bidding and delivery of stress engineering work packages, and building and leading a team to deliver this work. * Lead bids and projects * Develop future technical leaders * Plan capability, resourcing and business wining alongside our leadership team Your Mission: 1. Technical Delivery You will lead project teams and technical work in client facing roles, delivering high-quality stress analysis and structural integrity assessments: * Act as a technical lead for stress and structural integrity, providing expert advice, troubleshooting, and technical oversight. * Represent Assystem in client meetings. * Serve as an Independent Technical Approver to ensure the highest engineering standards. * Use Finite Element Analysis and traditional hand calculations to justify strength, fatigue, defect tolerance, and structural performance to international codes and standards (including pressure vessel and defect-tolerance codes). * Collaborate closely with safety case authors, design engineers, and multidisciplinary delivery teams. * Mentor junior engineers, offering technical guidance and helping shape our next generation of stress specialists. 2. Capability Development Your role will play an important part in developing and growing Assystem’s internal stress capability: Capability Development * Support the strategic development roadmap for the UK stress engineering capability. * Maintain and improve technical processes, methods, best-practice guides and quality frameworks. * Monitor workload, skill gaps and training needs across the stress discipline. * Lead technical upskilling initiatives such as internal training pathways. Team Growth, Recruitment & Retention * Work with the Engineering Directors and Business Management teams to forecast demand, plan workforce requirements, and shape the long-term capability pipeline. * Support recruitment campaigns, interviewing and selecting high-quality candidates. * Ensure strong retention by fostering a supportive culture, mentoring talent, and providing growth opportunities. Bidding & Business Development * Collaborate with Sales and Business Development teams to identify opportunities where stress capability adds value. * Lead bids, proposals, client presentations and technical sales materials. * Represent stress capability in major pursuits and innovation initiatives. Internal & External Leadership * Act as a visible leader and ambassador for stress engineering across Assystem and with clients. * Build and maintain relationships with key technical stakeholders, partners and industry bodies. Why Join the Community of Switchers? * 🌟 Over 55 years in nuclear engineering. * 🏆 Ranked among the top 3 largest nuclear engineering companies. * 💼 Attractive social benefits, including an engaging Employee Committee and holiday bonuses. * 📚 Ongoing training with numerous career opportunities. * 📈 70% of our managers are promoted internally! * 🏠 Hybrid work: 1-2 days remote per week. Qualifications We Want Someone Who Can… * Lead high-performing teams supporting a range of customers and industry sectors. * Lead stress and structural integrity assessment projects using modern techniques. * Deliver and review high-quality technical assessments to recognised standards. * Mentor and guide junior engineers while acting as a senior technical reference point. * Work directly with clients to tackle complex stress and integrity challenges. * Demonstrate expert FE analysis capability (strength, fatigue, defects, lifetime assessments). * Apply ASME III / ASME VIII, RCC-M, R6 codes. * Desirable: experience in CFD, dynamics, fatigue, and degradation mechanisms. * Must have experience in the nuclear sector or a comparable highly regulated sector. Your Toolbox Should Include… * Degree in engineering + Chartered Engineer (CEng). * Experience in stress assessments in the nuclear sector. * Strong communicator with excellent commercial awareness. * Expert in ABAQUS (or ANSYS, LS-Dyna, etc.). * Experience with Altair Hyperworks or similar tools. * Familiarity with code assessments (e.g. ASME III, ASME VIII, RCC-M, PD5500, R6). * Coding and scripting using languages such as Python. * Knowledge of manufacturing methods, materials, and inspection techniques. 🚀 Not a perfect match? Let’s talk anyway—we’re open to developing the right talent. Additional Information Security Clearance This role requires the successful candidate to hold (or be able to obtain) Security Check (SC) clearance without any caveats. We are committed to equal treatment and fostering diversity. Skills, talent, and the courage to innovate are what matter most. NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process. We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.