Sizewell C
Lead BNI (Balance of Nuclear Island) Project Manager (MEHA)

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Lead Project Manager – BNI (Balance of Nuclear Island) Piping (MEHA)
Location: Bristol (Aztec West)
Hybrid Working: Minimum 2 days per week in the office
Help Deliver One of the UK's Most Significant Infrastructure Projects
Sizewell C is at the forefront of the UK's clean energy future, delivering a new generation of low-carbon nuclear power that will support millions of homes for decades to come.
We are seeking an exceptional Lead Project Manager – BNI Piping to join the Mechanical, Electrical and HVAC Alliance (MEHA), playing a pivotal role in defining and delivering the Balance of Nuclear Island (BNI) Piping Programme.
This is a career-defining opportunity to influence the strategy, planning and execution of a major nuclear programme during a critical phase of project development. Working with industry-leading partners across the UK and Europe, you will help shape how one of the most complex engineering programmes in the country is delivered.
The Opportunity
As Lead Project Manager – BNI Piping, you will be responsible for leading the development of the BNI Piping Programme throughout the Phase 1 period, spanning Financial Close through to the commencement of on-site construction.
You will drive the development of delivery strategies, project execution plans, supply chain engagement, qualification activities and fabrication readiness, while helping to embed lessons learned from Hinkley Point C and other EPR projects.
Working within a highly regulated and technically complex environment, you will lead engagement across multiple alliance partners, disciplines and delivery teams to ensure the programme is positioned for successful execution.
This role requires a strategic thinker and proven leader who can navigate complex interfaces, influence stakeholders at all levels and drive programme performance within a matrix organisation.
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Key Responsibilities
- Lead the delivery and development of the BNI Piping Programme during the Phase 1 period.
- Drive the development of programme execution plans, delivery strategies, schedules and cost estimates.
- Lead supplier engagement, qualification activities and support the development of bulk procurement and spool fabrication strategies.
- Champion the adoption of Modern Methods of Construction (MMC), modularisation and off-site manufacturing opportunities.
- Manage complex interfaces across the MEH Alliance, Sizewell C, Civil Works Alliance and wider project stakeholders.
- Lead a high-performing team, providing clear direction, coaching and support while escalating critical issues where appropriate.
- Identify and manage programme risks, opportunities and dependencies.
- Influence multidisciplinary teams and senior stakeholders to achieve key project outcomes.
- Contribute to the wider strategic objectives and delivery plans of the MEH Programme.
- Promote the highest standards of safety, quality, environmental performance and project governance.
About You
You will be an experienced programme or project leader with a strong mechanical engineering background and a proven track record of successfully delivering complex projects within highly regulated industries.
Essential Experience & Qualifications
- Degree qualified in Mechanical Engineering.
- Minimum 10 years' Project Management experience.
- Proven delivery experience within a high-hazard, highly regulated environment.
- Demonstrable experience leading NSSS or major piping project execution.
- Strong stakeholder management and influencing skills across multiple disciplines and organisations.
- Experience developing and implementing strategies that improve safety, programme performance, schedule certainty and cost efficiency.
- Ability to operate effectively and autonomously within a complex matrix environment.
- Commitment to Health, Safety and Environmental excellence.


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Desirable
- Experience within the nuclear new build sector, particularly EPR projects.
- Knowledge and practical application of Modern Methods of Construction (MMC).
- Experience leading diverse, multicultural and geographically dispersed teams.
- Experience working with international engineering, procurement or fabrication organisations.
Why Join MEHA?
This is an opportunity to help shape one of Europe's most ambitious infrastructure programmes at a critical stage of development.
You'll work with some of the industry's leading engineering and construction professionals, influence major delivery decisions and play a key role in building the UK's future energy infrastructure.
Our Values
At MEHA, success is built on collaboration, accountability and respect.
We are looking for individuals who demonstrate:
- Humility: We recognise that success is a team effort and celebrate achievements together.
- Positivity: We focus on solutions, embrace challenges and continuously seek improvement.
- Respect: We value diverse perspectives and create an inclusive working environment.
- Clarity: We communicate openly, honestly and effectively.
- Solidarity: We work as one team, supporting each other to achieve shared goals.
Join us and help deliver a once-in-a-generation project that will power Britain's future.
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