About the role
The Project Manager for the MBIF (Main Bulk Infrastructure Fill) scope is responsible for delivering all
MBIF-related works within the Enabling & Earthworks Section of the Sizewell C project. This includes
leading multidisciplinary teams, overseeing programme delivery, ensuring compliance with technical and
regulatory requirements, and managing interfaces with engineering, construction, logistics, quality,
commercial, and safety functions.
The role is accountable for achieving safe, high-quality, and efficient delivery of all MBIF activities while
meeting cost, schedule, and stakeholder expectations
What you'll be doing
1. Project Delivery & Execution
2. Lead the planning, coordination, and delivery of all MBIF works within the E&E scope.
3. Ensure the project is executed in accordance with the approved programme, specifications, and
contractual requirements.
* Oversee daily and weekly coordination between engineering, survey, quality, plant, logistics, and site
operations.
* Maintain full visibility on production, productivity, and material flow for MBIF operations.
* Ensure all works comply with MBIF technical criteria, compaction standards, layer controls, and
material acceptance criteria.
2. Safety, Health & Environment (SHE)
* Champion a strong safety culture aligned with CWA, Sizewell C, and nuclear industry expectations.
* Ensure all RAMS, permits, and environmental controls are in place and adhered to.
* Support safety inspections, incident investigations, and the implementation of corrective actions.
* Maintain compliance with environmental permits, including dust control, noise, run-off management,
and protected species constraints.
3. Stakeholder & Interface Management
* Act as the primary point of contact for all MBIF-related matters within CWA.
* Coordinate interfaces with:
o SZC client team
o Other contractors on site
o Design team
o Material suppliers
o Logistics and haul route management
* Manage communication channels to ensure transparency, timely updates, and effective issue
resolution.
4. Programme & Planning
* Develop, maintain, and track the MBIF programme, milestones, and lookahead schedules.
* Ensure accurate reporting of progress, risks, and dependencies.
* Identify constraints early and implement mitigation plans.
* Drive continuous improvement in sequencing, haul routes, plant utilisation, and material logistics.
* Commercial & Contractual Management
* Work with the commercial team to manage budgets, cost reporting, procurement, and subcontractor
performance.
* Support review and approval of variations, compensation events, and early warnings.
* Manage subcontractors delivering part of the MBIF scope to ensure alignment with quality and safety
expectations.
* Ensure robust change control and accurate forecasting.
Who we're looking for
Essential
* Proven experience as a Project Manager or Senior Engineer on major earthworks, infrastructure, or
heavy civil engineering projects.
* Strong knowledge of large-scale engineered fill operations (e.g., MBIF, R-Fill, bulk earthworks).
* Demonstrated leadership of multidisciplinary operational and engineering teams.
* Excellent understanding of UK construction regulations, CDM, and site safety requirements.
* Strong commercial awareness with experience in cost reporting and contract management.
* Excellent communication and stakeholder management skills.
Desirable
* Experience on nuclear-licensed or highly regulated infrastructure projects.
* Degree or equivalent in Civil Engineering or Construction Management.
* APM, PMP, or similar project management qualification.
* SMSTS certification.
* Understanding of SHW Series 600 and geotechnical specifications.
42 hours per weeek
Why work for us
Day in, day out, our teams deliver some of the UK's most ambitious, exciting and meaningful projects; developing, building and maintaining the vital infrastructure that supports national economies and strengthens communities.
Why join us?
As if contributing to and supporting work that makes life better for millions wasn't rewarding enough, we offer a full range of benefits too. You'll have the freedom to shape the package that's right for you and your life. Here are some of our key benefits:
* Smart working, giving you more flexibility such as staggered start and finish times, with up to 40% remote working, where roles allow.
* 25 days paid annual leave (pro rata)
* Family friendly policies which include 28 weeks full pay for maternity/adoption leave and four weeks full pay for paternity/partners leave
* Pension, share incentive plan, volunteering leave, recognition schemes and much more…
About us
Balfour Beatty's Major Projects business is delivering some of the UK's most complex and iconic infrastructure projects including HS2, the new high-speed railway and the first nuclear power station in a generation, Hinkley Point C. Using the latest technology, we're driving productivity and creating a lasting legacy by delivering sustainable solutions that strengthen communities.
From consultancy and design, to all aspects of construction and maintenance. We have the proven expertise to deliver large-scale projects safely and successfully.
Diversity and inclusion
At Balfour Beatty we believe that diversity and inclusion are essential components of any successful, happy workplace. Through our Value Everyone Diversity and Inclusion Strategy and Action Plan, we are growing our diverse workforce and developing our inclusive culture where everyone is able to thrive and reach their full potential, regardless of their identity or background. To find out how we are making this a reality, visit
To help and support us with our desired commitment to create an inclusive culture we are members of WISE, enei, Business Disability Forum and the Association for Black and Minority Ethnic Engineers (AFBE). In 2020, we signed the Audeliss and Involve Open Letter to demonstrate our commitment to taking key long term and sustainable actions on Black Inclusion. Balfour Beatty is also a Gold Award holder in the Ministry of Defence 'Employer Recognition Scheme' and actively encourage applications from Armed Forces personnel, veterans and reservists.
As a Disability Confident Employer, we are committed to working with people who have disabilities and long-term health conditions to remove barriers for them in obtaining employment. We are also committed to offering applicants with a disability an interview if they meet the minimum requirements for the role. For more info, visit:
We are looking to continually improve our resourcing process and ensure that it is fair and inclusive for all. If you have any feedback on the process, please share this with us at:
Job Reference: BBUK17824