Location
Suffolk/London/Hybrid

Hours
Full Time

Salary
Competitive salary - details available upon application

About the Role
Join the exciting journey of one of the UK's largest nuclear projects at Sizewell C! The Civil Works Alliance (CWA), comprising Laing O'Rourke, Bouygues, and Balfour Beatty, is delivering the civils scope including Enabling Earthworks, Main Civil Works, and Marine and Tunnelling. We are seeking a highly skilled and experienced Senior Project Manager specialising in Backfill to lead the planning and delivery of backfill activities within the Main Civil Works (MCW) scope at Sizewell C.
This role covers both pre-construction and delivery phases, ensuring that design, planning, coordination, and execution of backfill operations are completed safely, efficiently, and in full compliance with technical and quality standards. The successful candidate will drive delivery readiness, manage interfaces, and support the execution strategy for this critical stage of the project.

Key Responsibilities
- Lead the pre-construction and delivery of backfill works, overseeing design, planning, technical preparation, and coordination.
- Collaborate with design, engineering, and client teams to ensure designs meet safety, buildability, and operational requirements.
- Contribute to development of 3D/4D models, verifying constructability, material suitability, and construction sequencing.
- Participate in trials to validate technical assumptions and performance rates.
- Oversee temporary works design for ramps, accesses, and other backfill-related structures.
- Support cost estimation, budgeting, and the Target Outturn Cost (TOC) process with estimators and commercial teams.
- Define delivery strategy and prepare the Project Execution Plan.
- Manage subcontractor engagement, tendering, negotiation, and contract completion in collaboration with procurement and commercial teams.
- Lead the delivery phase to ensure works are completed safely, on time, to quality, and within budget.
- Monitor programme progress, resources, and performance against key milestones; provide accurate reporting to senior stakeholders.
- Manage quality assurance, inspection processes, and non-conformance resolution with the CWA quality function.
- Identify and mitigate project risks, ensuring compliance with schedule and cost objectives.
- Coordinate interfaces between backfill, earthworks, temporary works, and adjacent construction areas.
- Capture lessons learned and embed continuous improvement practices across the delivery team.

Why Sizewell C?
This is your chance to contribute to one of the UK's most ambitious infrastructure projects, shaping the future of energy while working in a supportive, dynamic environment. Be part of a team that values innovation, safety, and sustainability at every stage of the journey—from investment to construction and beyond.

About Laing O'Rourke
Laing O'Rourke is an international engineering and construction company delivering state-of-the-art infrastructure and building projects across the UK, Middle East, and Australia. With over 150 years of experience, we are committed to certainty, reliability, and quality. Our story is one of energy, passion, ambition, people, and teamwork, harnessing our extensive experience to deliver certainty for our clients.

As part of the Disability Confident scheme, we support candidates with long-term health conditions and disabilities through an 'Offer an interview' scheme for those meeting essential criteria. We strive to make our recruitment process accessible and inclusive.

Experience
- Demonstrable experience managing large-scale civil engineering projects, including excavation and backfill operations.
- Proven capability in leading multidisciplinary project teams across design, planning, procurement, and delivery.
- Strong understanding of technical, quality, and safety requirements for major construction projects.
- Experience working in complex joint ventures or alliances.
- Excellent stakeholder management and communication skills.

Desirable Experience
- Experience in nuclear or other highly regulated environments.
- Familiarity with NEC4 SC and ECC contracts.
- UK major project experience and associated training.

Qualifications
- Member of APM, PMI, or equivalent professional body.
- CSCS Black Managers or PQP Card.
- SMSTS or IOSH Managing Safely (desirable).