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.

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 Manufacturing Engineer 📍 Location: Flexible - Derby, Sunderland, Bristol. Travel within the UK is required. 🔒 Security Clearance Required: SC & Sole UK National Staff and Contract roles available You will be supporting our clients to deliver high quality customer-engineered products and systems that meet tough testing, manufacturing, and project standards. You’ll play a key part in understanding complex systems and offering technical support to ensure everything runs smoothly – from drawing reviews to problem-solving and supplier queries. Your Missions: 📦 Execute technical work packages with precision and with full documentation traceability ⚙️ Review designs for manufacturability utilising industry inspection and test processes. 🏗️Assist in developing assembly and constructability methods, including reviewing/approving manufacturing documentation 🛠️ Troubleshoot and manage manufacturing issues within Supply Chain partners, on behalf of a client 🔍 Conduct detailed root cause analysis and develop corrective/preventive actions using proper reporting tools 📊 Support project planning and reporting. 🤝 Collaborate with local and global partners &supply chain engagement Why join the community of Switchers?: 🚀 Over 55 years of nuclear engineering expertise – we’re in the Top 3 globally! 🎉 Attractive benefits: Holiday bonuses, access to an employee assistance programme and more.. 📈 Career growth: 70% of our managers were promoted internally At Assystem, we celebrate diversity and creativity. We believe in harnessing unique perspectives to shape innovative solutions. Your skills and daring spirit are what truly matter. Join us and help shape the future! 🌟 Qualifications Candidate Profile (Skills, Experience & Qualifications): 🔩 Have knowledge of Metallurgy, metallics, and/or composite materials (desirable) 🔍 Have experience assessing defect criteria in relation to cracking, sub-surface defects, surface coating defects, and NDE detection methods ⚙️ Have experience in Manufacturing and Test processes — Machining, Casting, Fabrication, Welding 🛠️ Have experience in manufacturing of composites for Marine applications, including repair methodologies (desirable) 🎓 Degree in Engineering or a Scientific discipline – or equivalent experience 💻 Computer-literate and tech-savvy 📈 Ideally working towards professional body membership and chartered status Additional Information This role requires the successful candidate to hold (or be able to obtain) a minimum of a Security Check (SC) clearance without any caveats to that clearance. Due to the nature of work this role will be delivering and for the protection of certain assets, the successful candidate has to be a sole UK national 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 Job Description * Act as the primary interface between HVAC design teams and construction/installation teams. * Develop and Review HVAC designs and confirm accuracy of detailed specifications and engineering outputs. * Perform technical assessments to ensure compliance with relevant standards and project requirements. * Review and validate contractor documentation, drawings, method statements, and test plans. * Support the integration of HVAC systems within broader mechanical, electrical, and building services designs. * Participate in design coordination meetings and multi‑disciplinary reviews. * Contribute to risk assessments, hazard reviews, and safety evaluations. * Support commissioning activities, ensuring HVAC systems operate according to design intent. * Provide engineering input for change management, design updates, and configuration control. * Maintain consistent communication with project managers, quality teams, and other engineering disciplines. 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 * Degree in Mechanical Engineering, Building Services Engineering, or a related discipline. * Minimum of 3–5 years of relevant experience in HVAC design, building services engineering, or system integration. * Familiarity with HVAC codes and standards (e.g., ASHRAE, CIBSE, ISO, local regulations). * Ability to interpret technical drawings, specifications, and engineering documents. * Experience working with contractors, site teams, and multi‑disciplinary engineering groups. * Strong communication skills and the ability to work collaboratively in a project‑based environment. * Experience in regulated industries or complex infrastructure projects is advantageous but not essential. Preferred Skills * Proficiency with HVAC design software (e.g., Revit, AutoCAD, BIM tools, load calculation software). * Understanding of ventilation, heat load calculations, ductwork sizing, equipment selection, and system performance analysis. * Knowledge of commissioning processes and quality assurance procedures. * Strong problem‑solving ability and attention to detail. 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 Job Description * Act as the primary interface between HVAC design teams and construction/installation teams. * Develop and Review HVAC designs and confirm accuracy of detailed specifications and engineering outputs. * Perform technical assessments to ensure compliance with relevant standards and project requirements. * Review and validate contractor documentation, drawings, method statements, and test plans. * Support the integration of HVAC systems within broader mechanical, electrical, and building services designs. * Participate in design coordination meetings and multi‑disciplinary reviews. * Contribute to risk assessments, hazard reviews, and safety evaluations. * Support commissioning activities, ensuring HVAC systems operate according to design intent. * Provide engineering input for change management, design updates, and configuration control. * Maintain consistent communication with project managers, quality teams, and other engineering disciplines. 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 * Degree in Mechanical Engineering, Building Services Engineering, or a related discipline. * Minimum of 3–5 years of relevant experience in HVAC design, building services engineering, or system integration. * Familiarity with HVAC codes and standards (e.g., ASHRAE, CIBSE, ISO, local regulations). * Ability to interpret technical drawings, specifications, and engineering documents. * Experience working with contractors, site teams, and multi‑disciplinary engineering groups. * Strong communication skills and the ability to work collaboratively in a project‑based environment. * Experience in regulated industries or complex infrastructure projects is advantageous but not essential. Preferred Skills * Proficiency with HVAC design software (e.g., Revit, AutoCAD, BIM tools, load calculation software). * Understanding of ventilation, heat load calculations, ductwork sizing, equipment selection, and system performance analysis. * Knowledge of commissioning processes and quality assurance procedures. * Strong problem‑solving ability and attention to detail. 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 Job Description * Act as the primary interface between HVAC design teams and construction/installation teams. * Develop and Review HVAC designs and confirm accuracy of detailed specifications and engineering outputs. * Perform technical assessments to ensure compliance with relevant standards and project requirements. * Review and validate contractor documentation, drawings, method statements, and test plans. * Support the integration of HVAC systems within broader mechanical, electrical, and building services designs. * Participate in design coordination meetings and multi‑disciplinary reviews. * Contribute to risk assessments, hazard reviews, and safety evaluations. * Support commissioning activities, ensuring HVAC systems operate according to design intent. * Provide engineering input for change management, design updates, and configuration control. * Maintain consistent communication with project managers, quality teams, and other engineering disciplines. 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 * Degree in Mechanical Engineering, Building Services Engineering, or a related discipline. * Minimum of 3–5 years of relevant experience in HVAC design, building services engineering, or system integration. * Familiarity with HVAC codes and standards (e.g., ASHRAE, CIBSE, ISO, local regulations). * Ability to interpret technical drawings, specifications, and engineering documents. * Experience working with contractors, site teams, and multi‑disciplinary engineering groups. * Strong communication skills and the ability to work collaboratively in a project‑based environment. * Experience in regulated industries or complex infrastructure projects is advantageous but not essential. Preferred Skills * Proficiency with HVAC design software (e.g., Revit, AutoCAD, BIM tools, load calculation software). * Understanding of ventilation, heat load calculations, ductwork sizing, equipment selection, and system performance analysis. * Knowledge of commissioning processes and quality assurance procedures. * Strong problem‑solving ability and attention to detail. 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 Job Description * Act as the primary interface between HVAC design teams and construction/installation teams. * Develop and Review HVAC designs and confirm accuracy of detailed specifications and engineering outputs. * Perform technical assessments to ensure compliance with relevant standards and project requirements. * Review and validate contractor documentation, drawings, method statements, and test plans. * Support the integration of HVAC systems within broader mechanical, electrical, and building services designs. * Participate in design coordination meetings and multi‑disciplinary reviews. * Contribute to risk assessments, hazard reviews, and safety evaluations. * Support commissioning activities, ensuring HVAC systems operate according to design intent. * Provide engineering input for change management, design updates, and configuration control. * Maintain consistent communication with project managers, quality teams, and other engineering disciplines. 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 * Degree in Mechanical Engineering, Building Services Engineering, or a related discipline. * Minimum of 3–5 years of relevant experience in HVAC design, building services engineering, or system integration. * Familiarity with HVAC codes and standards (e.g., ASHRAE, CIBSE, ISO, local regulations). * Ability to interpret technical drawings, specifications, and engineering documents. * Experience working with contractors, site teams, and multi‑disciplinary engineering groups. * Strong communication skills and the ability to work collaboratively in a project‑based environment. * Experience in regulated industries or complex infrastructure projects is advantageous but not essential. Preferred Skills * Proficiency with HVAC design software (e.g., Revit, AutoCAD, BIM tools, load calculation software). * Understanding of ventilation, heat load calculations, ductwork sizing, equipment selection, and system performance analysis. * Knowledge of commissioning processes and quality assurance procedures. * Strong problem‑solving ability and attention to detail. 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! 🚀 In this role, you'll lead technical projects by managing engineering interfaces, ensuring cohesive design integration, and refining architectural frameworks. You'll liaise with stakeholders, handle requirements, and support early-stage activities like optioneering and design concept development, collaborating closely with a dynamic project management team. Your mission: * Coordinate the creation of critical artefacts such as operations concepts, functional and system architectures, requirement and compliance statements, and verification and validation planning. * Conduct optioneering assessments and design risk assessments (safety and CDM) to ensure robust project planning. * Support integrated technical management by navigating technical and project risks, refining design configurations, and developing breakdown structures. * Respond promptly to technical queries, ensuring clarity and swift resolution. * Liaise seamlessly with all disciplines to achieve unified design coordination. * Apply cutting-edge systems engineering best practices to elevate team capabilities. * Develop and propose innovative Model-Based Systems Engineering (MBSE) approaches for streamlined processes. * Report progress on deliverables and provide strategic resource level recommendations to the Project Lead Engineer (Systems and Integration). 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 * Coordinate the creation of critical artefacts such as operations concepts, functional and system architectures, requirement and compliance statements, and verification and validation planning. * Conduct optioneering assessments and design risk assessments (safety and CDM) to ensure robust project planning. * Support integrated technical management by navigating technical and project risks, refining design configurations, and developing breakdown structures. * Respond promptly to technical queries, ensuring clarity and swift resolution. * Liaise seamlessly with all disciplines to achieve unified design coordination. * Apply cutting-edge systems engineering best practices to elevate team capabilities. * Develop and propose innovative Model-Based Systems Engineering (MBSE) approaches for streamlined processes. * Report progress on deliverables and provide strategic resource level recommendations to the Project Lead Engineer (Systems and Integration). Additional Information Due to the nature of the work, applicants must meet UK security clearance criteria. Ready to make a difference in the nuclear engineering world? Join us and be a part of the future of nuclear and fusion innovation! 🌐✨ 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.