️About AssystemJoin Assystem, a global leader in engineering and project management, driving the energy transition worldwide. With over 7,500 Switchers, we blend our extensive engineering heritage with cutting-edge digital technologies to support vital infrastructure projects. Our mission is to accelerate the clean energy transition, and we’re seeking passionate professionals to be part of this journey.

Why Join the Community of Switchers?As one of the top three nuclear engineering companies globally, Assystem offers unparalleled opportunities to work on some of the most significant nuclear projects in the world. Join our community and be part of a team that’s shaping the future of clean energy, while benefiting from a dynamic, collaborative work environment.

Job Description

The Job Mission
We are looking for a Senior Piping Engineer with a strong mechanical background to play a leading role at Hinkley Point C. Embedded within the client organisation, you will provide expert technical oversight on piping systems design, installation, and compliance. Your future team is tackling some of the most complex engineering challenges in the UK’s energy transition. This is a hybrid role—three days in the office, two from home.

Your key responsibilities will include:

• Lead resolution of general queries, non-conformances, and design change requests
• Ensure piping systems comply with all safety and environmental regulations
• Review and challenge technical decisions to align with engineering strategy
• Coordinate technical support from internal teams and external partners
• Oversee resolution of open points and closure of technical issues
• Assess and mitigate risks related to piping installation and design
• Liaise effectively with Responsible Designers and cross-disciplinary stakeholders
• Report directly to the Engineering Lead with insights and progress updates

My profile

• Extensive experience on major construction or infrastructure projects
• Strong background in piping design, installation, or commissioning
• In-depth understanding of standards such as BS, CDM, EN, and ASME
• Bachelor’s or Master’s degree in Mechanical Engineering
• Experience within multidisciplinary engineering teams
• Strong stakeholder engagement and technical negotiation skills
• Understanding of welding processes and quality specifications
• Experience in a site-based engineering capacity

Ready to take your next step in nuclear?
This is a senior opportunity to join one of the world’s leading nuclear engineering consultancies on one of the UK’s most ambitious infrastructure projects. Shape critical decisions and play a direct role in the UK’s clean energy transition.

Benefits include:

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!