An opportunity has arisen for an experienced CE&I Design Engineer with site experience of supporting Mechanical handling operations and upgrade of existing electrical Power systems, and CE&I security-based improvements to join the TDA Project Design Team. Only apply if you are a British Citizen and passport holder and not have worked outside the UK during the past 5 years. Must already hold current SC Clearance. Full time contract position Inside IR35, 40 hours per week (Monday - Friday) Flexible working arrangements in line with project and Client needs, with a requirement to spend a minimum of 3 days per week in the Whitehaven/Warrington offices or Sellafield Site when required. This is an exciting opportunity to become part of an established team working on an emerging project at Sellafield. This role offers the chance to work in a dynamic and forward-thinking environment to deliver a project of national importance. The successful candidate will work closely with the Project Engineering Manager, multi-disciplinary project teams, and the Client on a fast-paced project. ROLE DESCRIPTION Ensure all plans, drawings, and CE&I deliverables are produced accurately and in line with project requirements. Manage and maintain design documentation, including drawings and technical specifications. Control and coordinate configuration management of engineering deliverables and associated site works. Liaise with designers and stakeholders to ensure compliance with design and construction regulations. Provide regular progress reports and technical updates to the CE&I Responsible Engineer (RE). Plan and prioritise work effectively, adapting to setbacks and resolving technical challenges as they arise. Use AutoCAD, Navisworks, and 3D scanning software proficiently to transfer accurate site data to the design team. Contribute practical site knowledge and technical input to Design and Constructability Reviews. ESSENTIAL SKILLS & QUALIFICATIONS Hold an HNC/HND in Mechanical Engineering (or equivalent qualification). Demonstrate strong plant knowledge and experience working within an operational environment. Have working experience using CIMAGE on the SL System. A positive can-do attitude, excellent communication and collaboration skills with the ability to work effectively across diverse project teams. Must hold appropriate Security Clearance (SC and British Sole National) and be a Sellafield pass holder.