Help Shape the UK’s Energy Future
Senior Project Manager Opportunity with the Civil Works Alliance (CWA), Supporting Sizewell C
As part of the CWA (Civil Works Alliance), you will support the building of Sizewell C. Sizewell C will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes and will play a key role in our energy future, supplying reliable, clean electricity for at least 60 years. This role will be within the Main Civil Works Section.
What will you do?
The CWA is recruiting a Senior Project Manager to lead the delivery of a critical backfill package within the Main Civil Works programme at Sizewell C. This role sits at the heart of one of the UK’s most significant infrastructure projects, responsible for shaping the early stages of construction that enable the safe and efficient delivery of major structures across the site.
The successful candidate will play a key leadership role across both pre-construction and delivery phases, driving collaboration between technical, commercial and operational teams. From defining strategy and developing execution plans through to overseeing delivery on site, this role offers the opportunity to influence a complex, high-value package with national importance
Leading the full lifecycle of the backfill package, from technical development through to on-site delivery
Managing design coordination with client consultants, engineering teams and alliance partners to ensure buildable and efficient solutions
Developing and validating construction methodologies, sequencing and 4D models to optimise programme delivery
Overseeing cost planning, budgeting and financial performance, identifying risks and driving mitigations where required
Supporting procurement activities including subcontractor scope definition, tendering and contract negotiation
Defining the delivery strategy and producing the Project Execution Plan to enable programme mobilisation
Driving safe, on-time, and on-budget delivery while maintaining the highest quality and compliance standards
Managing construction progress, reporting to key stakeholders and ensuring alignment with programme milestones
Leading quality assurance activities, including defining inspection strategies and managing on-site teams
Identifying and resolving technical and operational challenges, while proactively managing risk across the package
Managing interfaces with adjacent works, ensuring seamless integration across the wider programme
Championing health, safety and environmental excellence, influencing teams and supply chain partners
Ensuring effective resource planning and availability to meet delivery requirements
What are we looking for?
Proven experience leading large-scale civil engineering projects, ideally within complex or regulated environments
Strong expertise in earthworks, excavation and backfill operations on major construction sites
Demonstrated ability to lead multidisciplinary teams and collaborate across functions
Experience managing programme delivery, including planning, cost control and stakeholder reporting
Knowledge of NEC4 contracts and working within joint ventures or alliances (desirable)
Professional membership with APM, PMI or similar
CSCS Black Card (or equivalent)
Strong leadership behaviours aligned to collaboration, clarity, respect and continuous improvement
A proactive and solutions-focused approach, with the ability to manage complexity and drive results
What we will offer you?
The CWA is a single delivery organisation made of up of the client (Sizewell C) and three parent companies - Balfour Beatty, Bouygues and Laing O'Rourke - which offer industry leading packages including market leading salaries, generous annual leave entitlements, pension scheme and other flexible benefits.
About Us
The CWA celebrates the creativity and innovation that comes from a diverse workforce, and we welcome applications from people of all backgrounds — especially those from under‑represented communities. Our project is built on five core values: Humility, Positivity, Respect, Solidarity, and Clarity.
By joining us, you’ll be encouraged to bring your whole self to work, speak up, and share your ideas. We encourage applications from all suitably qualified candidates, regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.
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