Senior Process Engineer - Piping

Company Description

⚡️💡 About Assystem
At Assystem, our mission is to accelerate the global energy transition. With over 7,500 Switchers worldwide, we combine engineering expertise, project management, and digital innovation to deliver major infrastructure programmes. In the UK, we’re at the forefront of landmark projects including Hinkley Point C, Sizewell C, and future Small Modular Reactors (SMRs). By joining us, you’ll be contributing to some of the most exciting and important engineering challenges of our time.

🤝 Why Join the Community of Switchers?
At Assystem, you’ll be part of one of the top three largest nuclear engineering companies in the world. Joining us means working in a collaborative and supportive environment where innovation thrives. You’ll be empowered to grow your skills while contributing to cutting-edge projects that have a lasting global impact.

Job Description

🚀 The Job Mission

This is a key leadership role within Assystem’s site-based delivery team at Hinkley Point C.
You will lead piping integration across systems and work-fronts on a mega-scale nuclear project.
You will ensure readiness for commissioning and drive engineering alignment on-site.

⚡️ Lead end-to-end piping integration from engineering to commissioning
⚡️ Oversee interface control and system freeze boundaries across MEH disciplines
⚡️ Review and approve system change requests and late-stage design deviations
⚡️ Collaborate with HVAC, Electrical and Commissioning leads for cross-discipline alignment
⚡️ Act as site-facing piping technical authority and escalation point
⚡️ Ensure installation activities align with engineering design and sequencing
⚡️ Conduct technical reviews with MEH delivery contractors to assess readiness
⚡️ Support real-time decisions that affect progress on critical path systems

Qualifications

Essential Skills
🛠 Degree in Mechanical, Process or similar engineering field
🛠 Experience in heavy industrial projects
🛠 Site-based integration experience with high-integrity systems
🛠 Strong knowledge of piping construction and commissioning practices
🛠 Experience with freeze boundary and change control management
🛠 Stakeholder-facing role with strong communication skills
🛠 Ability to assess installation and commissioning readiness

Desired Skills
✔️ Knowledge of HO3/HO4 system completion processes
✔️ Familiarity within the nuclear sector

Additional Information

🌟 Why Apply?
This is your chance to work on a project that defines the future of clean energy in the UK. You’ll join a forward-thinking organisation where your contribution directly supports a safer, more sustainable world. If you’re ready to take on the challenge and grow with your future team, apply today.

Benefits include:
🏡 Hybrid Working Opportunity
🕒 Flexible working hours
🛡️ Pension scheme (8% company contribution / 4% personal contribution)
🏖️ 25 days’ paid annual leave + bank holidays + option to buy or sell days
💼 Professional fees reimbursed
💰 Employee referral scheme
🤒 Competitive Sick Pay – Support when you need it
🏥 Income Protection & 3x Salary Death-in-Service Cover
💪 Free Digital Gym Access – Expert-led fitness classes
📞 24/7 Employee Support Line – Mental health, financial & legal help

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.