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Home Senior Process Engineer

Our Vacancy

Senior Process Engineer

  • Nuclear
  • Permanent /
  • Whitehaven
  • United Kingdom
  • 10/01/26
  • On site
  • Share
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Assystem is an international company with one mission: accelerate the energy transition around the world.


Every day, our 8,000 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

As a Senior Process Engineer, you’ll join Assystem’s renowned Nuclear Decommissioning Business Unit.

You’ll work on a variety of tasks, from asset care replacement to the design of new facilities. This critical work will help maintain vital sample analysis capabilities across nuclear sites.

  • 🛠️ Leverage a wide range of skills: From technical process engineering deliverables to effective communication and strong reasoning abilities.
  • 👫 Collaborate with a multi-disciplinary team: Effective interaction with different specialists is key.
  • 🧪 Experience in nuclear environments: Knowledge of nuclear laboratories and process services is a plus.
  • 🔍 Site Access: You’ll need to access active areas  for inspection, observation, and record maintenance.

My profile

  • 🧑‍🎓 Chemical Engineering Degree
  • 🏅 Chartered Engineer (or working towards)
  • 🏗️ Knowledge of design including DSEAR, steam/gas delivery systems, PFDs, Basis of Design, and more.

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.

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