Mechanical Layout Engineer

• ️ About Assystem

Assystem 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 development of SMRs, supporting the safe and efficient delivery of nuclear power infrastructure.

Why Join the Community of Switchers?

You’ll be joining one of the top three nuclear engineering companies in the world. Our mission-led approach places you at the heart of the energy transition. At Assystem, you’ll collaborate with industry leaders, contribute to world-class nuclear projects, and gain exposure to some of the most ambitious engineering programmes on the planet.

JOB DESCRIPTION

The Job Mission
This is a hybrid role for candidates living within commutable distance to Bridgwater, or willing to relocate (relocation support available). You’ll join our site-based Layout Team, providing engineering support to construction by reviewing and optimising plant design.

Your future team will depend on your ability to assess site change requests, ensure the design intent is maintained, and coordinate updates across engineering disciplines.

Key responsibilities:

• Assess site requests to determine impact on plant layout
• Gather technical inputs and develop solutions with supporting justification
• Review and update 3D models, drawings, and installation tolerances
• Liaise with mechanical, HVAC, piping, civil, equipment, and electrical teams
• Coordinate with site construction teams and installation contractors
• Initiate and manage change processes to implement design updates
• Monitor and report progress, challenges, and risks to the Layout Team Lead
• Contribute to closing out technical queries and lessons learned
• Maintain compliance with safety and design requirements
• Support collaborative team meetings and knowledge sharing

MY PROFILE

Essential Skills and Qualifications

• Degree in Mechanical Engineering or equivalent experience
• Proficiency in 3D design software for layout analysis
• Strong understanding of layout and installation rules in industrial projects
• Knowledge of plant operations and related safety considerations
• Proficient in Microsoft Office tools
• Organised, detail-focused, and able to manage multiple tasks

✔️ Desired Skills

• Experience in nuclear or other large-scale industrial projects
• Experience with PDMS / Aveva E3D software
• Familiarity with UK design and regulatory environments
• Experience in plant layout engineering

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: JDO

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.