Senior Commercial Manager

Civil Works Alliance; Nacton; On-site; GBP 120,000 - 160,000; Full time

Job summary

The Civil Works Alliance (CWA) seeks a Senior Commercial Manager to lead the commercial function for the Sizewell C project. You’ll oversee multi-million-pound contracts, procurement, risk management and financial reporting, partnering with the project leadership to drive value and performance.

You’ll mentor team members, manage stakeholder interfaces with clients, suppliers and regulators, and ensure commercial success from inception to delivery on this landmark UK energy initiative.

Qualifications

• A BSc or MSc in Quantity Surveying or equivalent.
• Chartered Member or Fellow of RICS, ICES, or CIOB.
• Proven leadership in managing large commercial teams.
• Experience in managing complex, high-value projects, particularly in the construction or energy sector.

Responsibilities

• Lead the commercial team and ensure financial success across the Marine and Tunnels section of works.
• Manage tendering, contract negotiations, and procurement processes.
• Provide strategic commercial input to the project, from planning through to delivery.
• Ensure effective risk management and contract compliance.
• Mentor junior staff and contribute to their professional development.
• Liaise with key stakeholders, including clients, suppliers, and regulatory bodies.
• Use your expertise to make critical decisions and ensure the project runs smoothly.

Skills

Leadership

Contract management

Negotiation

Financial management

Stakeholder liaison

Education

BSc/MSc in Quantity Surveying or equivalent

Job description

Help Shape the UK’s Energy Future

Senior Commercial 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 theCWA Wide Section.

What will you do?

We’re looking for a Senior Commercial Manager with deep industry experience and a passion for leadership. In this senior role, you’ll manage complex, multi-million-pound projects from inception to completion, overseeing everything from procurement and contract negotiations to risk management and financial reporting. You'll be an integral part of the project senior leadership team, ensuring the commercial and financial success of each initiative.

Key Responsibilities:

• Lead the commercial team and ensure financial success across the Marine and Tunnels section of works.
• Manage tendering, contract negotiations, and procurement processes.
• Provide strategic commercial input to the project, from planning through to delivery.
• Ensure effective risk management and contract compliance.
• Mentor junior staff and contribute to their professional development.
• Liaise with key stakeholders, including clients, suppliers, and regulatory bodies.
• Use your expertise to make critical decisions and ensure the project runs smoothly.

What are we looking for?

Skills & Experience:

• A BSc or MSc in Quantity Surveying or equivalent.
• Chartered Member or Fellow of RICS, ICES, or CIOB.
• Proven leadership in managing large commercial teams.
• Experience in managing complex, high-value projects, particularly in the construction or energy sector.
• Exceptional communication, negotiation, and financial management skills.
• A forward-thinking approach with an understanding of the wider economic factors affecting the construction industry.

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.

We are committed to protecting your privacy. If you decide to apply, please avoid including sensitive personal data in your CV.