https://jobs.co.uk/job/civils-3d-designer-amentum--5450f14c-e06e-45c5-9043-c56ac368bd27 RSS feed for Civils (3D) Designer at Amentum. en-gb Sun, 26 Apr 2026 07:55:27 GMT https://jobs.co.uk/job/civils-3d-designer-amentum--5450f14c-e06e-45c5-9043-c56ac368bd27 https://jobs.co.uk/job/civils-3d-designer-amentum--5450f14c-e06e-45c5-9043-c56ac368bd27 Mon, 20 Apr 2026 23:00:00 GMT Location: Warrington | Salary: Negotiable | Type: Permanent | 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 You will be specifically working on the Enabling works package to support the development of a treatment facility for SIXEP and SCP secondary waste. The Role As a- Civil (3D) Designer , works will include service diversions; development of service and drainage schemes; earthworks; vehicle tracking; road layouts; developing new schemes connecting into existing infrastructure; producing foundation drawings and details. Other responsibilities could include: Model Management- Create and maintain complex 3D surfaces using points, breaklines, and boundaries. Corridor Design- Develop intelligent 3D roadway models using alignments, profiles, and custom assemblies. BIM Workflow- Implement and manage Data Shortcuts to maintain a "single source o... Permanent