Civils (3D) Designer

This Civils (3D) Designer role sits within Amentum’s design and engineering partnership for Sellafield under the PPP 20-year arrangement, working specifically on the Enabling works package supporting development of a treatment facility for SIXEP and SCP secondary waste. Based in Warrington, the position involves service diversions, development of service and drainage schemes, earthworks, vehicle tracking, road layouts, new schemes connecting into existing infrastructure, and producing foundation drawings and details. Responsibilities also include model management, creating and maintaining complex 3D surfaces using points, breaklines and boundaries, corridor design, and implementing BIM workflows through Data Shortcuts.

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 andquot;single source of truthandquot; across multi-disciplinary project teams.

• Automated Production- Set up and manage Sheet Set Manager and Plan Production tools to generate high-volume construction sets (Plan/Profile/Cross-Section) with minimal manual editing.

• Analysis & Reporting- Perform earthwork volume calculations, interference checks (clash detection), and pipe network analysis.

• Attending regular model reviews/space management meetings and be able to represent CS&A and present the model.

• Working closely with CS&A Engineers/Architects and modelers from other disciplines to co-ordinate the development of the model.

• Understanding and fulfilling the Designer role under the CDM Regulations.

As a Civils (3D) Designer you will already have:

• Civil / structural engineering MEng or equivalent

• Experience using Revit and Autodesk Design Review to produce and review GA and detail drawings in a Building Information Modelling (BIM) environment.

• Experience using British and European Standards and Building Regulations, and the methodologies required when detailing elements.

• Experience in detailing below ground drainage and services; groundworks; steelwork and reinforced concrete.

• Experience working in an industrial/heavy civils environment

• Experience of using Autodesk Civil 3D; Revit; Autodesk Design Review and Vehicle Tracking.