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HomeCareer Senior Simulation and Assessment Engineer

Our Vacancy

Senior Simulation and Assessment Engineer

  • Nuclear
  • Permanent /
  • Bristol
  • United Kingdom
  • 21/12/24
  • 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 7,500 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

🚀 The Job Mission

We are seeking Senior Simulation and Assessment Engineers to lead and deliver high-impact projects, supporting both new-build nuclear plants and life extension programmes for existing infrastructure. As a Senior Engineer, you’ll ensure the safety, integrity, and performance of critical systems.

⚡️ Provide structural integrity assessments using Finite Element Analysis and hand calculations.
⚡️ Support customer safety cases through robust technical substantiation.
⚡️ Lead internal calculation reviews and represent Assystem at external technical meetings.
⚡️ Mentor and supervise junior staff, including technical reviews and approvals.
⚡️ Deliver projects within agreed budgets and deadlines.
⚡️ Support business growth by contributing to proposals, bids, and customer engagement.
⚡️ Ensure compliance with Assystem’s quality assurance processes and standards.

My profile

Required Skills and Qualifications

Essential Skills:
🛠 Degree in engineering or equivalent, with significant experience in structural integrity assessments.
🛠 Chartered Engineer (CEng) status or commitment to achieve it.
🛠 Leadership experience in mentoring, supervising, and approving technical work.
🛠 Proficiency in Finite Element Analysis tools such as ANSYS or ABAQUS, and pressure vessel codes (e.g., ASME, BS7910, R6).
🛠 Strong technical communication skills and proven experience in customer-facing roles.
🛠 Comprehensive knowledge of material behaviour, inspection methods, and manufacturing processes.

Desired Skills:
✔️ Experience in regulated industries (nuclear, defence, aerospace, etc.).
✔️ Expertise in customer-specific methodologies (e.g., R3, R5, API-579).
✔️ Familiarity with Altair Hyperworks or equivalent pre/post tools.
✔️ Knowledge of fatigue and degradation mechanisms, including environmental fatigue.
✔️ Code assessment to international pressure vessel codes (e.g., ASME B&PVC, PD5500), high integrity lifting (e.g., BS2573, BS EN 13001), BS5950 or Eurocodes, API-579, R6, BS7910 (fracture assessments), BS7608 (fatigue), and offshore codes (e.g., DNVGL, NORSOK).
✔️ Demonstrated ability to integrate structural integrity assessments with CFD and dynamic analysis.

🌟 Why Apply?
Join Assystem’s dynamic team at Hinkley Point C and apply your electrical layout expertise to one of the most ambitious nuclear projects in Europe. You will work at the forefront of innovation, contributing to the UK’s future energy infrastructure. Apply today to shape the future of energy!

Benefits include:

  • Pension scheme (8% company contribution / 4% personal contribution)
  • 25 days’ paid annual leave + bank holidays + option to buy or sell days
  • Professional fees reimbursed
  • Flexible working
  • Generous employee referral scheme

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.

Are you a prospective or recent graduate?

Assystem offers you the opportunity to join our Switch to Grow UK Graduate Scheme, where you’ll gain hands on experience in engineering, digital services, and project management by working on some of the world’s most critical energy projects.

Be part of the challenge of the century; accelerating the switch to low carbon energy!

Discover more about our graduate programme

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