Lead CS&A Engineer

The Opportunity Amentum is the Design and Engineering partner for Sellafield under the PPP (Programme and Project Partners). This is a 20-year arrangement to deliver ~£7bn of major projects. We are looking to recruit high value expertise from across regulated and comparable sectors to work in a collaborative environment. PPP is delivering major projects, site wide improvements and provision of supporting services. The Project Box Encapsulation Plant Product Store (BEPPS2) is a PPP Major Project to design and construct a new mechanical handling waste storage facility that will safely store waste packages for many years to come. The project status is currently at detailed design. The Role BEPPS2 now has an exciting opportunity to recruit a Lead CS&A Engineer to join the team in Birchwood, Warrington. As a Lead CS&A Engineer your responsibilities will include: * To lead a team of CS&A engineers and architects in the definition, implementation and delivery of specified functional works that achieves safety, functional and business requirements. * Key role holder within the Engineering team on the project. * Delivery of the civil, structural, and architectural design. * Delivery of construction information. * Manage the interface to and between key Delivery Partners and the design team. * Understanding of the commercial implications of products, scope and packages * Delivery of substantiation and other approvals. * Risk identification with proposed resolution / mitigation. * Production of Schedule and identification of key milestones. * Develop deliverables list and format (drawings, specifications, reports, BIM etc.) As a Lead CS&A Engineer you will already have; * Higher Education Qualification in Engineering (or equivalent) subject- MEng (preferred) * Appropriate (Engineering or Scientific) Institution Membership- Chartered Engineer / qualified Architect / Architectural Technologist * Background engineering experience demonstrating a record of successful delivery including recent positions influencing professional engineers and guiding technical personnel * Minimum of 7 years of experience within the previous 10 years working in roles where knowledge of engineering was a key attribute. * Experience of working within a regulated and quality assured system (preferably nuclear) in roles where professional judgement is the key attribute About Amentum We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations. Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business

Location: Warrington, Cheshire, GB

Posted Date: 11/4/2025