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Our Vacancy

Criticality Safety Assessor

  • Nuclear
  • Permanent /
  • Warrington
  • 07/02/24
  • Hybrid work

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.

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

Corporate Risk Associates has been an Assystem owned business since 2020. We are established as one of the UK’s largest integrated Risk, Safety and Human Factors consultancies, renowned for 1st class delivery of quality services to the Critical National Infrastructure in the UK and overseas.
We have a long history of helping current nuclear operations and new build projects manage their safety and risk in the civil and defence nuclear sectors. This provides opportunities for varied project work for our staff.

Job Description

Criticality Safety Assessor

CRA is one of the UK’s largest integrated Risk, Safety and Human Factors consultancies. We have a long history of helping our clients in the UK nuclear and other high hazard industries manage risk and ensure the safety of their operations.  As part of the Assystem Group we also have opportunities to support a wide variety of projects around the world.

Our client, managing a large-scale infrastructure project, has asked us to identify Safety Engineering personnel to assist in a mission critical project with challenging timescales; the detail design phase must start no later than February 2023. Opportunities exist for individuals as staff members or as contractors.


We are able to offer a flexible working arrangement that could include a mixture of home working, contractor or client offices.

Job Description – Criticality Safety Assessor

A Criticality Safety Assessor is required for SPRS Retreatment Plant (SRP). New plant in the pre-ME&I installation phase to repack / retreat packages (within gloveboxes) from legacy SNM stores.

Essential experience & Qualifications – Criticality Safety Assessor

  • Safety case profession SQEP3 equivalent.

Desirable Experience & Qualifications – Criticality Safety Assessor

  • Demonstrable experience in the production of alpha plants criticality safety assessments and criticality emergency plans.
  • Educated to degree level or equivalent in a relevant discipline

Communication: Must aim to provide clear, concise, and well-reasoned analyses and reports, and present these findings confidently at meetings. Be able to interface and liaise with key client and internal stakeholders, taking full account of a client’s operating culture while conducting audits and investigations.   




  • An adaptable self-starter with good interpersonal skills and professional leadership approach
  • A good team-player with the confidence and ability to question traditional received wisdoms, think laterally and present alternatives. 


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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