Piping Engineer - Construction (Multiple Vacancies)
Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Sep 24, 2026. Assystem scores B on the Alion truth index.
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.
You will support Mechanical and Piping construction delivery across a major nuclear new build programme.
You will coordinate engineering, construction, and installation activities ensuring quality and nuclear compliance.
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 3D 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 successfully
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 projects
Fluent English communication skills supporting collaborative project delivery environments
Why Apply?
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 global innovation.
Your Benefits Package
Hybrid Working - Flexibility to work from home and the office
25 Days Annual Leave + Bank Holidays
Buy & Sell Holiday - Make your time off work for you
8% Company Pension Contributions
Income Protection & 3x Salary Death-in-Service Cover
Competitive Sick Pay - Support when you need it
Healthcare Cash Plan - Claim back on dental, optical & more
Free Digital Gym Access - Expert-led fitness classes
Exclusive Discounts - Restaurants, days out & top brands
24/7 Employee Support Line - Mental health, financial & legal help
Cycle to Work Scheme - Save money & go green
Free Flu Jabs & Eye Test Vouchers
Paid Professional Membership Fees
Volunteer Days - Make a difference on company time
Bring your unique contributions and help us shape the future.
NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - 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.
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.