Principal CS&A Engineer

Amentum • Warrington, Cheshire, United Kingdom • Posted June 06, 2026

Location Warrington, Cheshire
Job Type Full-time
Category architecture-and-engineering
Posted June 06, 2026
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 Role
amentum now has an exciting opportunity to recruit a Principal CS&A Engineer to join the team in Birchwood, Warrington.
As a Principal 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 infor...

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