This website emits an average of 1.6 g of CO₂ per page, find out more

Our Vacancy

Mechanical Engineer – Pressure Vessels and Tanks

  • Nuclear
  • Permanent /
  • Bristol
  • 18/02/24
  • On site

Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 6,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years’ experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all.

Job Description

  • Provide technical oversight for all tank-related contracts, ensuring technical documentation, design, manufacturing, and qualification meet project requirements.
  • Contribute to technical meetings, manage issues/queries, and oversee the resolution process to maintain project integrity and progress.
  • Review and approve contractor deliverables, design modifications, non-conformances, and exemption requests, ensuring compliance with strict safety and regulatory standards.
  • Control and manage the evolution of tank-related contracts and design changes, coordinating closely with both UK and international teams, as well as suppliers.
  • Liaise with responsible designer (RD) and client teams for seamless integration of tank systems with interfacing functions/systems.
  • Communicate progress, risks, issues, and planning to support contract delivery, reporting key performance indicators (KPIs) to the Engineering Contract Lead (ECL).
  • Ensure qualification activities for tank systems align with contract progress and site requirements, contributing to the overall project success.

My profile


  • Bachelor’s or Master’s degree in Mechanical Engineering, or qualified through experience
  • Specialized knowledge in the design and operation of tanks and/or pressure vessels for large-scale projects like power stations, including but not limited to pressurizer tanks, boric acid storage tanks, emergency cooling tanks, and waste treatment tanks.
  • Familiarity with equipment interfaces, including safety case, systems engineering, and CDM regulations.

Desired but not mandatory:

  • Experience and understanding of pressurised water reactor design principles
  • Nuclear mechanical equipment design, manufacture, and operations
  • Proficiency in contract management, documentary surveillance, and change-management systems (e.g., UKDC, UKICM, OPM, CEMAR, Teamcenter)

Join Assystem and be part of the energy solution, ensuring a brighter, low-carbon future for all.

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.

Other vacancies might interest you