Senior Mechanical Engineer

1 day ago

Bridgwater, Somerset, United Kingdom ASSYSTEM Full time
Company Description

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

The Job Mission

This role supports the mechanical engineering delivery on one of the UK's most ambitious nuclear programmes. You'll ensure construction readiness, lead technical coordination, and drive engineering compliance.

This is a hybrid role, with 3 days on-site at Hinkley Point C in Bridgwater. You'll need to be within commutable distance—or be open to relocating, with financial support available to help with the move.

Key responsibilities include:

  • Lead and mentor a team delivering mechanical construction work scopes
  • Define activity boundaries with subject matter experts and client teams
  • Own and update workpack documentation in line with project requirements
  • Drive timely delivery of documentation to support safe construction
  • Promote a proactive approach to health, safety, and environmental excellence
  • Ensure engineering works comply with nuclear site licence conditions
  • Coordinate site surveys and access routing for construction start-up
  • Support work authorisation and permitting systems across the project
Qualifications

Essential Skills and Qualifications

  • Minimum HNC/HND in Mechanical Engineering
  • Recognised accreditation in project, construction, or engineering disciplines
  • Valid CCNSG Safety Passport plus IOSH or NEBOSH qualification
  • Experience delivering projects in regulated sectors
  • Strong team leadership across disciplines and functions
  • Working knowledge of mechanical documentation and control systems

Desired Skills

  • Familiarity with work authorisation and permit systems
  • Experience preparing mechanical workpacks on major infrastructure sites
  • Insight into Hinkley Point C or similar nuclear build projects
  • Background in site survey coordination and planning access routes
  • Strong problem-solving approach and flexibility on evolving projects
Additional Information

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.

  • Junior Mechanical Engineer

    2 weeks ago

    Bridgwater, Somerset, United Kingdom Assystem Full time £36,000 - £42,000 per year

    Company Description About AssystemAssystem is a global leader in engineering, digital, and project management services, driving the UK's energy transition since 1996. With our near 8000 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...

  • Mechanical Engineer

    2 weeks ago

    Bridgwater, Somerset, United Kingdom Assystem Full time £50,000 - £70,000 per year

    About AssystemAssystem is a global leader in engineering, digital, and project management services, driving the UK's energy transition since 1996. With our near 8000 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...

  • Mechanical Engineer

    1 day ago

    Bridgwater, Somerset, United Kingdom ASSYSTEM Full time

    Company Description About AssystemAssystem is committed to accelerating the global energy transition. With over 7,500 Switchers across the globe, we combine deep-rooted engineering expertise with digital innovation to help build a sustainable energy future. In the UK, we play a vital role in landmark projects such as Hinkley Point C, Sizewell C, and the...

  • Mechanical Engineer

    1 day ago

    Bridgwater, Somerset, United Kingdom ASSYSTEM Full time

    Company Description About AssystemAssystem 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...

  • Mechanical Field Engineer

    2 weeks ago

    Bridgwater, Somerset, United Kingdom Rullion Full time £46,800 - £63,800 per year

    Mechanical Field Engineer – Hinkley Point CLocation:Bridgwater, Somerset (HPC Site – Mon–Fri, 7am–4:30pm)Contract:OngoingRate:£390 p/d PAYE + 36 days leave / £530 p/d UmbrellaJoin one of Europe's largest infrastructure projects —Hinkley Point C, delivering clean energy to over six million homes.We're seeking aMechanical Field Engineerto support...

  • Site Quality Engineer – Mechanical

    7 days ago

    Bridgwater, Somerset, United Kingdom Mactech Inspection Full time £45,000 - £65,000 per year

    Site Quality Engineer – Mechanical 1369GRE£375 PAYE £550 UmbrellaHinkley Point C, SomersetContract – LongtermThe Site Quality Engineer for Mechanical Erection is responsible for overseeing and ensuring the quality compliance of mechanical installation activities at a nuclear power plant construction site. This includes both static components (e.g.,...

  • Mechanical Commissioning Engineer

    1 week ago

    Bridgwater, Somerset, United Kingdom ASSYSTEM Full time £45,000 - £65,000 per year

    Company Description About AssystemAt Assystem, our mission is to accelerate the energy transition worldwide. With over 55 years of expertise in highly regulated sectors, our 7,500 Switchers globally deliver cutting-edge engineering and project management solutions. Join us and be part of one of the top three nuclear engineering companies in the world Why...

  • Mechanical Configuration Engineer

    5 days ago

    Bridgwater, Somerset, United Kingdom ASSYSTEM Full time £40,000 - £60,000 per year

    Company Description About AssystemAt Assystem, our mission is to accelerate the energy transition worldwide. With over 7,500 Switchers, we combine engineering expertise, project management, and digital innovation to deliver tomorrow's energy infrastructure. In the UK, we are proud to be part of landmark nuclear projects including Hinkley Point C, Sizewell C...

  • Mechanical Engineer Industrial Placement

    7 days ago

    Bridgwater, Somerset, United Kingdom EDF (UK) Full time £24,500 - £40,000 per year

    About The RoleReady to solve real engineering challenges and help shape the future of energy? At EDF, Success is Personal. Join our Mechanical Engineering Industrial Placement and contribute to one of the UK's most ambitious infrastructure projects – while building a career that's unique to you."Electricity is such a vital component in everyone's lives. It...

  • Mechanical Engineer Industrial Placement

    7 days ago

    Bridgwater, Somerset, United Kingdom targetjobs UK Full time £24,500 - £33,500 per year

    About The RoleReady to solve real engineering challenges and help shape the future of energy? At EDF, Success is Personal. Join our Mechanical Engineering Industrial Placement and contribute to one of the UK's most ambitious infrastructure projects – while building a career that's unique to you."Electricity is such a vital component in everyone's lives. It...