Technical Lead - Valves

⚡️💡 About Assystem

At Assystem, we’re on a mission to accelerate the global energy transition. Our 7,750 Switchers combine deep engineering expertise and project delivery capabilities with cutting-edge digital tools to tackle the most complex infrastructure challenges. In the UK, we’re powering the future of clean energy through our strategic roles in nuclear new build, defence, and decommissioning programmes.

🤝 Why Join the Community of Switchers?

Assystem is one of the top three largest nuclear engineering companies in the world. By joining us, you'll work on the UK’s flagship nuclear project. Expect challenging missions, global collaboration, and a long-term career path within the UK's next generation of nuclear development.

🚀 The Job Mission

You will play a leading role in the management of 20 valve system packages at a large-scale nuclear power station. This includes technical oversight, supplier interface, and installation support. Your future team is critical to ensuring engineering excellence across Nuclear Island and Balance of Plant areas.

⚡️ Lead the technical lifecycle of safety and non-safety-classified valve systems

⚡️ Oversee supplier deliverables, focusing on ASME-compliant valves

⚡️ Review method statements and support installation readiness

⚡️ Act as key resolver for blockers affecting construction or commissioning

⚡️ Participate in inspections and installation walkdowns

⚡️ Collaborate with French engineering teams and reference plant experts

⚡️ Ensure design intent and system functionality is preserved throughout delivery

Essential Skills:

🛠 Minimum 8 years in nuclear or high-integrity industrial environments

🛠 Engineering degree (or equivalent) in Mechanical, Process, or Nuclear

🛠 Strong knowledge of ASME codes for pressure-retaining equipment

🛠 Ability to lead multi-stakeholder engineering coordination

Desired Skills:

✔️ Understanding of surveillance, walkdown and test readiness protocols

✔️ Experience managing large valve scope across complex infrastructures

✔️ Knowledge of CDM regulations and UK nuclear processes

✔️ Proficiency in TQ and Technical Deviation workflows

On site-based position

🤝 Why Join Assystem?

Be at the forefront of Europe’s most complex nuclear infrastructure programme.

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.