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Location
Hybrid (Derby, United Kingdom)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Nov 3, 2026. Assystem scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Assystem is a French engineering group founded in 1966 that concentrates on complex infrastructure projects, with nuclear energy as its largest and most distinctive market. It provides design engineering, project management, safety analysis, commissioning support and operational assistance across nuclear new build, plant life extension and decommissioning, and also works on transport, energy transmission and life sciences facilities. Headquartered near Paris and listed on Euronext, it holds a significant stake in Framatome and employs thousands of engineers across France, the United Kingdom, the Middle East and Asia.

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.

Responsibilities:

  • Requirement specification production / management
  • Coordinate all internal & Propel safety information to ensure safety is centrally managed in a within a central Doors location.
  • Manage and be responsible for the modelling of the safety case decomposition through the dedicated DOORS safety decomposition link
  • Ensure information in the DOORS safety module is maintain up-to-date and fully referenced (i.e. references published documentation (Evidence) that supports/justifies the decomposition (i.e. HS1 and HS2, FMEAs Etc). (Note: The creation of the data and evidence is the responsibility of the design engineers)
  • Report (generate metrics) on the status of the module to allow the Safety Team to report progress to Senior Leaders.
  • Complete data audits / spot checks to provide confidence that the data within DOORS is up-to-date and modelled correctly (as defined by the engineers/propel)
  • Support go-look-see’s by engineering leads/mangers as required.
  • Suggest process and or data management improvements based on their user experience of operating the process to the Systems Engineering team manager.
  • Interface Management
  • Working with mechanical, electrical and process systems
  • Operating requirements management database software (DOORS preferential)
  • Background:
    • Engineer level resource (3 years experience minimum, likely to be a good fit)
    • Experience in complex regulated industry essential (i.e. Nuclear, Aerospace, etc.)
    • Experience in Nuclear industry desirable.
    • Foundation background in Mechanical or Electrical Engineering is acceptable
  • Systems Engineering:
    • Degree in engineering or STEM subject is mandatory or be able to demonstrate equivalent experience.
    • Systems thinking and systems engineering processes is mandatory.
    • Systems engineering training/qualifications desirable.
    • Willing to accept a candidate with SE experience and a desire to move into this field if they can demonstrate competence.
    • Experience operating Rationale DOORS software as a practitioner is desirable.
    • Familiarity with Model Based Systems Engineering is desirable.
    • Awareness of relevant BS or INCOSE standards desirable

Why join the community of Switchers?:

The Group is currently ranked Third in the world for nuclear engineering.

A dynamic career management policy to enable our employees to progress through our five business lines: operations, project, technical, sales and support functions

Provide opportunities to work on exciting, global projects

Access to an employee assistance programme with free mindfulness, health, wellbeing resources and a confidential support line available 24/7 via phone or text

Discount vouchers for days out and restaurants, eye test and glasses vouchers, cycle to work scheme, free flu jabs

Permanent staff preferred, umbrella contractor accepted

Sole UK national capable of securing SC

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.

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