EC&I Engineer

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 and diverse 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.

The Decommissioning Alliance (TDA) is a strategic partnership, operating within the DNWP framework and delivering critical decommissioning work at Sellafield, including the UK’s most challenging Legacy Ponds facilities. As a key partner within DNWP, TDA contributes to Sellafield Ltd.’s mission while ensuring communities, supply chains, and stakeholders benefit from meaningful, measurable Social Value outcomes.

TDA now has an exciting opportunity for an EC&I Responsible Engineer to support the Retrievals East River programme within the TDA. This role would involve working closely with both client and supply chain. The successful candidate will act as TDA Stakeholder interface for the Retrievals East River Project, ensuring that quality assurance activities are effectively carried out.

This is an exciting opportunity to become part of an established team working on an emerging project s role offers the chance to work in a dynamic and forward-thinking environment to deliver a project of national importance. The successful candidate will work closely with the Project Engineering Manager, multi-disciplinary project teams, and the Client on a fast‑paced project.

• Ensure all plans, drawings, and EC&I deliverables are produced accurately and in line with project requirements.
• Manage and maintain design documentation, including drawings and technical specifications.
• Control and coordinate configuration management of engineering deliverables and associated site works.
• Liaise with designers and stakeholders to ensure compliance with design and construction regulations.
• Provide regular progress reports and technical updates to the EC&I Responsible Engineer (RE).
• Plan and prioritise work effectively, adapting to setbacks and resolving technical challenges as they arise.
• Use AutoCAD, Navisworks, and 3D scanning software proficiently to transfer accurate site data to the design team.
• Contribute practical site knowledge and technical input to Design and Constructability Reviews.

• Hold an HNC/HND in Electrical engineering (or equivalent qualification).
• Hold a SQEP RE role.
• Demonstrate strong plant knowledge and experience working within an operational environment.
• Have working experience using CIMAGE on the SL System.
• A positive can‑do attitude, excellent communication and collaboration skills with the ability to work effectively across diverse project teams.
• Must hold appropriate Security Clearance (SC and British Sole National) and be a Sellafield pass holder.

Our values stand on a foundation of safety, integrity, inclusion and…