Site 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 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.

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.

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.

We are currently looking for a Site Engineer to join the SWMEW Project. This is a facility to provide interim storage of SIXEP and SCP secondary waste, with the capability to feed a future waste product management treatment plant (WPMTP). SWMRF has just submitted its Feasibility Stage deliverables which included possible baseline building footprints for three alternative technology options (footprints developed by Mechanical / Process disciplines).

The role is to act as the direct interface between the design office and the construction site, ensuring that design intent is correctly interpreted, implemented and maintained throughout the construction phase. The role provides technical interpretation of design, real-time problem resolution and feedback loops that allow the design team to adjust, clarify or correct information based on site conditions.

As a Site Engineer some of your responsibilities could include:

• Interpret drawings, specifications and design documents for site teams ensuring correct understanding of design intent.

• Ensure that technical clarifications, design responses and controlled updates from the design team(s) are understood by construction for correct implementation.

• Support the project in delivering a high standard of environmental and waste management, including by conducting weekly site inspections.

• Coordinate design responses to minimise delays in construction while maintaining safety and compliance.

• Have an awareness of all Plant Modifications Proposals (PMP) and their impact upon construction activities.

• Provide structured feedback to the design teams for design improvements, lessons learned (LFE) and future project optimisation.

As a Site Engineer you will already have:

• An Engineering qualification (for example BEng, BSc, HND, HNC)

• Experience of working in live construction environments with good understanding of applicable…