Job Description
Join the Fusion and Modular Nuclear Business Unit! Help shape the future of the energy transition at one of the world’s leading nuclear engineering companies.
Assystem is growing fast — and our stress and structural integrity capability is growing with it. We’re looking for a Senior/Principal Stress Engineer who is ready to take the next step into a technical and capability leadership role, helping to strengthen, grow and develop our UK stress engineering community.
This is a hybrid role: you’ll deliver high-value technical work for clients while also shaping the direction, tools, talent and strategy of our stress capability.
Your mission:
- Lead complex stress and structural integrity assessments using FEA and hand calculations
- Review and approve technical work, representing Assystem confidently with clients
- Mentor and develop engineers, building future stress specialists
- Drive capability growth — training, methods, best practices, recruitment and retention
- Support bids and business development, working closely with Engineering Directors and Sales
- Collaborate across multi-disciplinary teams in the nuclear and defence sectors
Why Join the Community of Switchers?
- Over 55 years in nuclear engineering.
- Ranked among the top 3 largest nuclear engineering companies.
- Attractive social benefits, including an engaging Employee Committee and holiday bonuses.
- Ongoing training with numerous career opportunities.
- 70% of our managers are promoted internally!
- Hybrid work: 3 days remote per week.
Qualifications
What You’ll Bring:
- Lead, build and guide a community of highly skilled stress engineers
- Strong background in stress analysis / structural integrity
- Expertise in FEA (ABAQUS, ANSYS, etc.) and relevant assessment codes (ASME, BS7910, R6 etc.)
- Experience in the nuclear or similar highly regulated sector
- Chartered Engineer status (CEng) or working toward it
- Ability to develop and implement technical strategy and capability development
Additional Information
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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Senior Stress Engineer in Royton employer: Assystem
Assystem is an exceptional employer, offering a dynamic work environment in Warrington that fosters innovation and collaboration among its 8,000 experts. With a strong commitment to employee growth, Assystem provides opportunities for professional development in the highly regulated nuclear engineering sector, ensuring that team members are equipped with the skills needed to excel in their roles. The company's inclusive culture values diverse perspectives, making it a rewarding place for those looking to make a meaningful impact in project risk management.
