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Our Vacancy# Senior Mechanical Engineer - Pressure Equipment Nuclear Permanent / Bridgwater United Kingdom 26/11/25 On site Share? About Assystem Assystem is committed to accelerating the global energy transition. With 8000 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. 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 - we're unable to offer visa sponsorship for this role, so applicants must have full right to work in the UK Job Description The Job Mission This is a site role, therefore we can only consider candidates living within a commutable distance of Bridgwater, or willing to relocate, with a small relocation package available. You will support pressure testing activities across key Nuclear Island systems. You will act as the link between contractors, construction teams and commissioning teams. You will help drive safe, compliant and efficient delivery of Hydrostatic Pressure Tests. Your Responsibilities Coordinate Hydrostatic Pressure Tests across NSSS auxiliary systems Review contractor documentation and define system test boundaries Plan temporary devices, readiness reviews and test logistics Consolidate inputs from project leads to optimise HPT sequencing Coordinate with piping and construction teams to streamline activities Identify FCRs, NCRs, RFIs and resolve issues impacting test readiness Supervise on site tests to ensure compliance with quality requirements Control documentation and provide clear, accurate handover to commissioning Required Skills and Qualifications Proven Hydro Pressure Test experience in industrial environments Strong background in construction or heavy engineering projects Knowledge of industrial mechanical standards Experience with large bore or small bore piping installations Clear communication skills for contractor and stakeholder management Ability to work independently while recognising escalation points 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 helpWe 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. |
