Piping Engineer - Construction

At Assystem, our mission is to accelerate the energy transition worldwide. 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 mobilises 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions. Join us in revolutionising the energy sector and making a significant global impact.

• Support Mechanical and Piping construction delivery across a major nuclear new build programme.
• Coordinate engineering, construction, and installation activities ensuring quality and nuclear compliance.
• Provide technical leadership supporting safe execution of complex piping construction missions.
• Develop detailed execution plans aligned with project delivery milestones.
• Manage construction workpacks supporting safe mechanical piping installation activities.
• Coordinate piping installation sequencing across multidisciplinary construction delivery teams.
• Review drawings, specifications, and technical documentation supporting site readiness.
• Participate in constructability reviews and 3‑D model assessment activities.
• Respond to technical queries, non‑conformances, and engineering change requests.
• Liaise with engineering, procurement, and quality teams resolving installation challenges.
• Maintain accurate engineering records supporting compliance and construction traceability.
• Promote nuclear safety, environmental compliance, and strong onsite HSE culture.
• Challenge engineering decisions ensuring alignment with project delivery strategy.

• Degree qualification within Mechanical Engineering or Piping Engineering disciplines.
• Eligible to achieve BPSS Security Clearance requirements.
• Experience using Aveva E3D, Navisworks, and Microsoft Office applications.
• Valid CCNSG Safety Passport supporting major construction site activities.
• Experience delivering work within highly regulated nuclear construction environments.
• Strong understanding of piping installation methodologies and engineering processes.
• Experience producing construction workpacks and installation documentation packages.
• Strong problem‑solving, organisational, and multidisciplinary communication capabilities.
• Knowledge of HSE and quality standards across major construction environments.

Join Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive.

• Hybrid Working – Flexibility to work from home and the office.
• 25 Days Annual Leave plus Bank Holidays.
• Buy & Sell Holiday – Make your time off work for you.
• 8% Company Support.
• Healthcare Cash Plan – Claim back on dental, optical and more.
• Free Digital Gym Access – Expert‑led fitness classes.
• Exclusive Discounts – Restaurants, days out and top brands.
• 24/7 Employee Support Line – Mental health.

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.

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.