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! 🚀Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies. Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community. This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability. Your mission: * Lead complex stress and structural integrity assessments using FEA and hand calculations * Review and approve technical work, representing Assystem confidently with clients * Mentor and develop engineers, building future stress specialists * Drive capability growth — training, methods, best practices, recruitment and retention * Support bids and business development, working closely with Engineering Directors and Sales * Collaborate across multi-disciplinary teams in the nuclear and defence sectors 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: 3 days remote per week. Qualifications What You’ll Bring: * Lead, build and guide a community of highly skilled stress engineers * Strong background in stress analysis / structural integrity * Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.) * Experience in the nuclear or similar highly regulated sector * Chartered Engineer status (CEng) or working toward it * Ability to develop and implement technical strategy and capability development Additional Information 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. 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! 🚀Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies. Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community. This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability. Your mission: * Lead complex stress and structural integrity assessments using FEA and hand calculations * Review and approve technical work, representing Assystem confidently with clients * Mentor and develop engineers, building future stress specialists * Drive capability growth — training, methods, best practices, recruitment and retention * Support bids and business development, working closely with Engineering Directors and Sales * Collaborate across multi-disciplinary teams in the nuclear and defence sectors 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: 3 days remote per week. Qualifications What You’ll Bring: * Lead, build and guide a community of highly skilled stress engineers * Strong background in stress analysis / structural integrity * Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.) * Experience in the nuclear or similar highly regulated sector * Chartered Engineer status (CEng) or working toward it * Ability to develop and implement technical strategy and capability development Additional Information 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. 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! 🚀Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies. Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community. This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability. Your mission: * Lead complex stress and structural integrity assessments using FEA and hand calculations * Review and approve technical work, representing Assystem confidently with clients * Mentor and develop engineers, building future stress specialists * Drive capability growth — training, methods, best practices, recruitment and retention * Support bids and business development, working closely with Engineering Directors and Sales * Collaborate across multi-disciplinary teams in the nuclear and defence sectors 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: 3 days remote per week. Qualifications What You’ll Bring: * Lead, build and guide a community of highly skilled stress engineers * Strong background in stress analysis / structural integrity * Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.) * Experience in the nuclear or similar highly regulated sector * Chartered Engineer status (CEng) or working toward it * Ability to develop and implement technical strategy and capability development Additional Information 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. 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! 🚀Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies. Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community. This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability. Your mission: * Lead complex stress and structural integrity assessments using FEA and hand calculations * Review and approve technical work, representing Assystem confidently with clients * Mentor and develop engineers, building future stress specialists * Drive capability growth — training, methods, best practices, recruitment and retention * Support bids and business development, working closely with Engineering Directors and Sales * Collaborate across multi-disciplinary teams in the nuclear and defence sectors 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: 3 days remote per week. Qualifications What You’ll Bring: * Lead, build and guide a community of highly skilled stress engineers * Strong background in stress analysis / structural integrity * Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.) * Experience in the nuclear or similar highly regulated sector * Chartered Engineer status (CEng) or working toward it * Ability to develop and implement technical strategy and capability development Additional Information 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. 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! 🚀Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies. Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community. This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability. Your mission: What You’ll Do: * Lead complex stress and structural integrity assessments using FEA and hand calculations * Review and approve technical work, representing Assystem confidently with clients * Mentor and develop engineers, building future stress specialists * Drive capability growth — training, methods, best practices, recruitment and retention * Support bids and business development, working closely with Engineering Directors and Sales * Collaborate across multi-disciplinary teams in the nuclear and defence sectors 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: 3 days remote per week. Qualifications What You’ll Bring: * Lead, build and guide a community of highly skilled stress engineers * Strong background in stress analysis / structural integrity * Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.) * Experience in the nuclear or similar highly regulated sector * Chartered Engineer status (CEng) or working toward it * Ability to develop and implement technical strategy and capability development Additional Information 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. 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 Vous rejoignez les équipes de Loïc et accompagnez nos clients, notamment les grands acteurs du secteur de l’énergie et du nucléaire, dans leurs programmes de transformation. Vous intervenez au sein d’environnements SI complexes, industriels et fortement réglementés, à l’interface entre les directions métiers, les équipes IT/SI et les différentes parties prenantes des projets. Vos missions : * Maintenir, maitriser les procédures du Processus de projet et son référentiel en général en cohérence avec les standards de l'environnement client. * Être le responsable opérationnel du processus de "Piloter les Projets" en particulier en o Animant les revues du processus, o Pilotant l'autoévaluation des projets, o Mettant à jour régulièrement les KPI o Organisant le REX des collaborateurs qui quittent la compétence Projet * Collecter, consolider et analyser les données des projets afin de définir les niveaux de maturité des projets vis-à-vis du référentiel du Processus de projet. * Optimiser les processus et les outils sur la base du retour d’expérience ainsi que des instructions, directives et bonnes pratiques applicables. * Animer les Communautés de Pratiques (PMO et R&O en particulier) et assurer l’animation transverse de l’ensemble des disciplines de projets (couts, planning, contrat), par exemple en collectant et consolidant des grilles de compétences, en proposant des formations elearning et en proposant des améliorations des parcours de formations et parcours professionnels * Proposer des groupes de travail pluridisciplinaires afin de partager le retour d’expérience acquis sur les projets et de contribuer à la capitalisation et au déploiement des bonnes pratiques de projet pour les projets futurs. Pourquoi rejoindre Assystem ? * Contribuez à des projets stratégiques au service de la transition et de la souveraineté énergétique, deux enjeux majeurs pour l'avenir de la France et de l'Europe. * Évoluez dans un environnement inclusif où la diversité des profils favorise l'ouverture d'esprit, l'enrichissement personnel et la réussite collective. * Profitez d’un package social attractif comprenant une couverture santé et prévoyance de qualité, des avantages CSE toute l’année (cinéma, sport, culture, loisirs, vacances…) ainsi qu’un service d’accompagnement gratuit et confidentiel pour vous soutenir dans les moments clés de votre vie personnelle et professionnelle. Qualifications Vos atouts et les prérequis pour réussir : * De formation Bac+5 de type école d'ingénieur ou de commerce, vous disposez d'au minimum 3 ans d’expérience en gestion de projet dans des contextes liés à la Business Intelligence. * Vous possédez des compétences fonctionnelles dans le domaine de la Data. * Vous avez une expérience avérée dans la gestion de projets. * Dynamique et doté(e) d'un excellent sens du relationnel, vous appréciez animer des équipes. Votre autonomie, votre force de proposition ainsi que votre capacité à prendre en charge le pilotage de projet sont reconnues. 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 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.

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.

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.

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.