Construction Project Engineer

About Assystem

Assystem is a global leader in engineering, digital, and project management services, driving the UK's energy transition since 1996. With 7,500 Switchers worldwide, we combine deep engineering expertise with digital innovation to deliver complex, low-carbon infrastructure. In the UK, we're proud to support landmark nuclear projects like Hinkley Point C, Sizewell C, and emerging SMR programmes.

Why Join the Community of Switchers?

Join one of the three largest nuclear engineering companies in the world. Here, you'll work on world‑class energy‑transition missions, collaborating with top teams delivering Hinkley Point C, Sizewell C and SMRs. Become part of an elite global community, driving innovation and excellence every day.

The Job Mission

This position is based in Bridgwater with hybrid working (three days in the office, two from home). Relocation assistance is available for those moving closer to site.

We are looking for a Construction Project Engineer – Mechanical. In this role, you'll work closely with project and site teams to ensure the mechanical scope is delivered to the highest safety, quality, schedule, and cost standards. You'll take responsibility for technical leadership, documentation, and effective stakeholder coordination.

• Lead mechanical scope delivery aligned to project execution plans.
• Coordinate multi‑disciplinary teams including suppliers and installation contractors.
• Monitor mechanical progress, costs and schedules against project milestones.
• Develop technical specifications in collaboration with construction and commissioning teams.
• Facilitate and chair mechanical‑focused project meetings, ensuring contract compliance.
• Identify and manage mechanical‑related risks and issues, escalating when needed.
• Maintain up‑to‑date project documentation: PEPs, quality plans and briefs.
• Promote and uphold rigorous health, safety, environmental and quality standards.

Essential Skills

• Degree in Mechanical Engineering.
• Solid experience delivering projects from concept to operation.
• Strong command of project management principles (APM).
• Experience in a highly‑regulated industry.
• Proficient in safety‑critical environments with strong H&S culture.
• Ability to manage budgets, schedules and commercial frameworks.
• Skilled in Word, Excel, and PowerPoint for project documentation.

Desired Skills

• Familiarity with CDM regulations and H&S at Work legislation.
• Prior involvement in procurement and tender processes.
• Knowledge of Quality Assurance systems and governance frameworks.
• Exposure to pre‑operations or commissioning teams.

Ready to shape the future? Join your future team on-site at one of the most ambitious nuclear power projects in Europe. Be part of a collaborative mission to uphold the highest construction and quality standards.

Benefits include:

Hybrid Working Opportunity

Flexible working hours

Pension scheme (8% company / 4% personal)

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 & 3× Salary Death-in-Service Cover

Free Digital Gym Access – Expert-led fitness classes

24/7 Employee Support Line – Mental health, financial & legal help

Ref: MEH

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.