Senior Mechanical Engineer

The Opportunity Amentum is the Design and Engineering partner for Sellafield under the PPP (Programme and Project Partners). This 20‑year partnership delivers approximately £7bn of major projects, including site‑wide improvements and support services. The programme offers continued growth and development opportunities for professionals across regulated and comparable sectors. The Role Senior Mechanical Engineer – Lightly Shielded Store Project (LSS1), located in Birchwood. LSS1 is a 7,200 m² footprint new build for an Intermediate Level Waste store with a design life of 100 years. Responsibilities Plan and coordinate engineering and design activities for self and team members. Develop and implement engineering solutions for complex projects, from concept design through to manufacture and the full project life cycle. Identify design, statutory and regulatory requirements, and contribute to risk assessments. Produce technical reports, specifications and scoping calculations. Review technical deliverables, including reports and drawings. Present engineering solutions to stakeholders and during design reviews. Qualifications Degree qualified in Mechanical Engineering or equivalent (e.g., HNC/HND with significant experience). Attained or working towards chartered or incorporated status with a recognised professional body (e.g., IMechE). Experience in highly regulated environments is advantageous. Familiarity with UKCA/CE Marking, CDM, PUWER, LOLER, PED and Machinery’s Directive. Culture & Inclusivity Amentum values safety, integrity and respect for every individual. We support well‑being, mental health and collaboration across our teams. We are a Disability Confident employer and will interview all disabled applicants who meet the minimum criteria for this vacancy. Flexible working options are available to suit a range of needs. #J-18808-Ljbffr Amentum