Company Description
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.
Please note: Due to project security requirements, unfortunately, visa sponsorship is not available for this position.
Job Description
The Job Mission
This is a site-based role (five days a week) at one of the worlds largest and most advanced nuclear construction projects. You'll play a key part in mechanical construction assurance — supporting the safe, high-quality delivery of critical systems that will power millions of homes.
Monitor and verify mechanical construction activities across assigned systems
Identify, report, and support resolution of non-conformances or deviations
Collaborate with quality and construction teams to maintain site standards
Record inspections, track documentation, and verify completion before handover
Assist with coordination between mechanical, piping, and civil interfaces during construction
Qualifications
Essential Skills and Qualifications:
Degree or equivalent qualification in Mechanical or Construction Engineering
Understanding of mechanical installation scopes such as pipework, supports, or equipment
Awareness of CDM Regulations and how they apply to construction environments
Ability to interpret isometric drawings or layout plans to verify installation accuracy
Desired Skills:
Experience supporting large mechanical or infrastructure projects
Familiarity with quality standards such as ISO 9001 or FME controls
Awareness of piping and equipment interfaces, alignment, or test preparation
Additional Information
Please note: Due to project security requirements, unfortunately, visa sponsorship is not available for this position.
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.