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Assystem is a global leader committed to accelerating the energy transition. With 7,500 employees across 12 countries, we tackle the monumental task of switching to low-carbon energy. Our 55+ years of experience in highly regulated sectors ensure we deliver top-notch engineering, project management, and digital solutions.

Assystem is a global leader committed to accelerating the energy transition. With 7,500 employees across 12 countries, we tackle the monumental task of switching to low-carbon energy. Our 55+ years of experience in highly regulated sectors ensure we deliver top-notch engineering, project management, and digital solutions.

Join the Fusion and Modular Nuclear Business Unit! Reporting to the Turbine Island Lead, the Senior Mechanical Engineer shall be responsible for various Turbine Island design development activities. The Senior Mechanical Engineer shall work closely with multidisciplined teams and the supply chain to help deliver the Turbine Island design.

Your mission:

Intelligent Customer Role: Ensure supplier deliverables meet requirements by critically assessing designs.

Develop & Review Designs: Create and review Process Flow Diagrams, Piping and Instrumentation Diagrams, Layout Drawings, Sizing Calculations, Datasheets, and Specifications.

Conduct Optioneering: Lead and review optioneering studies, Decision Record Files, Design Descriptions, and Requirement Specifications.

Apply Systems Engineering: Develop and review Functional and Design Requirements using Systems Engineering principles.

️ Integrate Turbine Island: Seamlessly integrate Turbine Island design into the wider power plant.

Provide Technical Support: Serve as the technical contact for Turbine Island interfaces and stakeholder activities.

Support Design Reviews: Participate in Design Reviews and HAZID/HAZOP studies with multidisciplinary teams.

️ Liaise on Safety: Work with the safety team on nuclear safety licensing, environmental planning/permitting, and related activities.

Ensure Compliance: Adhere to statutory H&S policies, project quality, and the Quality Management System.

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.
  
  

️ Industry Experience: Previous work in nuclear, thermal power, oil and gas, or other regulated sectors. Experienced with steam turbines, condensers, feedwater heaters, pumps, and piping systems.

Thermal Power Expertise: Strong background in thermal power systems, with experience from FEED to detailed design and EPC delivery.

Procurement Skills: Skilled in developing procurement specifications and collaborating with equipment suppliers.

️ Technical Proficiency: Extensive technical experience in thermal power or similar projects.

Communication: Excellent at engaging with internal and external stakeholders.

Project Management: Capable of identifying and managing critical interfaces on major projects.

️ Safety Knowledge: Proficient in UK Health and Safety regulations, safety systems, HAZOP, and engineering standards.

Codes & Standards: Knowledgeable in ASME, European, and UK codes and standards.

Systems Engineering: Experience or awareness in Systems Engineering is a plus.

Personal Attributes:

Results-Oriented: Independent, proactive, and team-focused with strong organizational skills.

Confidentiality: Professional in handling sensitive nuclear information in line with export control obligations.

Educational Background: Bachelor’s degree or Higher National Diploma in engineering. Professional Registration: CEng or working towards it.

Security Clearance: SC Clearance or ability to achieve it.

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!

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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Business Consulting and Services

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