via indeed · 27 May 2026 ·10 days ago

Principal CS&A Engineer (Structural)

Amentum
Risley Full-time
4 jobs in Risley — and more nearby.
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At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.

Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family\-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work\-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part\-time and flexible working hours, patterns and locations to suit you and our business.

About the Opportunity

Amentum is the Nuclear Design and Engineering partner for Sellafield Ltd under the PPP (Programme and Project Partners). PPP is an exciting model to work in with Four world class organisations who have come together as one team, to create a clean and safe environment for future generations.

The programme arrangement is set to deliver \~£7bn worth of major projects creating a lasting legacy through the long\-term partnerships.

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 could include:

  • Leading 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.

  • Manage the interface to and between key Delivery Partners and the design team.

  • Understanding of the commercial implications of products, scope and packages

  • Delivery of substantiation and other approvals.

  • Risk identification with proposed resolution / mitigation.

  • Production of Schedule and identification of key milestones.

  • Develop deliverables list and format (drawings, specifications, reports, BIM etc.)
As a Principal CS\&A Engineer you will already have:
  • Higher Education Qualification in Engineering (or equivalent) subject\- MEng (preferred)

  • Appropriate (Engineering or Scientific) Institution Membership\- Chartered Engineer

  • Background engineering experience demonstrating a record of successful delivery including recent positions influencing professional engineers and guiding technical personnel

  • Experience of working within a regulated and quality assured system (preferably nuclear) in roles where professional judgement is the key attribute
Our Culture

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration.

We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.

When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.

We partner with VERCIDA, for greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

The market for this type of role

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