Site Engineer

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. 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.

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.

• 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.

• An Engineering qualification (for example BEng, BSc, HND, HNC).
• Experience of working in live construction environments with good understanding of applicable Construction Design Management (CDM) regulations.
• Understanding and experience of relevant legislation, standards, and procedures relevant to highly regulated industry.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent.

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 are happy to discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.

As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy.

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.