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 are 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.
Our Nuclear team provides the front end design and engineering capability across the PPP portfolio. Being part of the PPP Team offers a unique opportunity to drive change and innovation in engineering, safety and delivery solutions in one of the most complex industrial sites in the UK if not the world. We are looking for people who are passionate about developing themselves and in meeting new challenges.
We are currently recruiting for a Lead C&I Engineer to be based out of Westlakes in Cumbria.
As a Lead C&I Engineer your responsibilities could include;
1. Lead project delivery teams during finalisation of detail design and construction and commissioning phase of the project.
2. Completion of C&I focussed Plant Modification Proposals
3. Report progress and issues to engineering management and responsible engineer.
4. Maintain client relationships in order to provide design solutions that are fit for purpose and satisfy the needs of the new and existing buildings.
5. Work on system integration, testing and validation of systems
6. Demonstrate knowledge of the practical aspects of implementing engineering designs and understand the use of standards and compliance with regulatory requirements in an engineering environment
As a Lead Engineer you will already have;
7. Specific C&I experience.
8. HNC, BEng, MEng in EC&I, chartered Engineer (or actively working towards) with a relevant professional body
9. Previous team leadership, line management or technical lead role experience.
10. Awareness of interdisciplinary links and stake holder management between disciplines
11. Specific experience with design process, Engineering standards and Guides.
12. Experience of delivery of modifications to existing plants.
13. An understanding of the relevant guidelines, standards and practices (, IEC 61508, 61511, 61513, 61226, ONR SAPs / TAGS)
14. Knowledge and experience in the systematic design lifecycle of a C&I system; including specification, design, assessment, verification, testing, installation, commissioning and maintenance of safety or process critical I&C Systems
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, for greater online accessibility please visit 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 .