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.
The Job Mission
This hybrid role requires candidates within commutable distance of Bristol, with relocation support available where appropriate.
You will lead pressure systems compliance and structural integrity activities across an allocated HPC project scope.
You will act as a technical authority, supporting safe delivery through design, manufacture, installation and compliance activities.
Manage pressure systems compliance requirements across your allocated project scope
Assess structural integrity requirements for safety-critical pressure systems
Apply RCC-M, ASME and relevant pressure equipment requirements
Ensure regulatory and structural integrity requirements are properly implemented
Collaborate with project managers, designers, regulators and supply chain partners
Review pressure equipment manufacture, installation and conformity assessment activities
Provide technical decisions on pressure compliance issues within delegated authority
Maintain compliance documentation, processes and supporting technical requirements
Interface with international suppliers and support occasional European project travel
Support project delivery while maintaining nuclear safety and quality requirements
Degree qualified in Mechanical Engineering or related discipline
Experience with pressure systems manufacture, installation or structural integrity
Experience within nuclear, power generation, oil and gas environments
Knowledge of RCC-M or ASME pressure equipment design requirements
Understanding of pressure systems compliance and regulatory requirements
Strong stakeholder management across multidisciplinary and matrix organisations
Experience working with regulators, suppliers and engineering organisations
Strong technical judgement and ability to resolve complex issues
Excellent communication skills with strong influencing capability
Chartered Engineer status or progress towards professional registration advantageous
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
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.

