Construction Engineer

About Assystem

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

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

• 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

• Experience supporting large mechanical or infrastructure projects
• Familiar with quality standards such as ISO 9001 or FME controls
• Awareness of piping and equipment interfaces, alignment or test preparation

Please note:

Due to project security requirements, unfortunately, visa sponsorship is not available for this position.

We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

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.

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.

• 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 & 3x Salary Death-in-Service Cover
• Free Digital Gym Access
  - Expert-led fitness classes
• 24/7 Employee Support Line
  - Mental health, financial & legal help