Principal CS&A Engineer

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

Job Type: Full-time
Location: Warrington, Cheshire
Posted: June 06, 2026
Category: architecture-and-engineering
Application Deadline: July 16, 2026

Role Description

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...

Interested in this role?

Click the button below to start your application for Principal CS&A Engineer at Amentum.

Apply Now