️ About Assystem

Assystem is a global leader in engineering, dedicated to accelerating the energy transition. In the UK, we’re powering progress on landmark projects like Hinkley Point C, Sizewell C, and next-generation Small Modular Reactors (SMRs). Our 7,500+ Switchers blend deep engineering know-how with cutting-edge digital tools to help build a low-carbon world—faster, cleaner, and smarter.

Why Join the Community of Switchers?

Becoming a Switcher means joining one of the top three nuclear engineering companies in the world. You’ll work on technically complex projects that shape the UK’s energy future while gaining opportunities to grow your expertise in a fast-paced, collaborative environment.

Job Description

This is a hybrid role based near Bridgwater, with relocation support available if required. You’ll take a leading role within a flagship energy programme, ensuring engineering compliance and construction readiness while guiding your future team with expertise and conviction.

• Lead and manage engineers to deliver mechanical construction work packages
• Collaborate with technical specialists and client teams to define clear project boundaries
• Maintain and update construction documentation in line with project requirements
• Drive timely delivery of documentation to enable safe construction activities
• Promote and uphold a positive health, safety, and environmental culture
• Ensure compliance with safety standards and licence conditions at all times
• Coordinate surveying activities and access planning to support construction readiness
• Support the implementation of digital tools and permitting systems

My profile

• Degree or recognised trade qualification in Mechanical or HVAC engineering
• Experience delivering construction projects in regulated or complex industrial environments
• Ability to lead and motivate multidisciplinary engineering teams
• Strong understanding of construction documentation and control processes
• Knowledge of regulatory compliance within safety-critical industries
• Proven leadership experience in complex project environments
• Experience with digital tools for permitting and work management
• Delivery of construction work packages on large-scale projects
• Professional accreditation in project management, construction, or engineering
• CCNSG Safety Passport and IOSH or NEBOSH qualification
• Surveying and access coordination experience
• Strong problem-solving mindset with adaptability in fast-changing environments

Ready to lead the way on one of the UK’s biggest clean energy builds?
Join a team where your skills will help power the future. Bring your mechanical expertise—and we’ll provide the platform to make your mark.

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.

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!