Senior Quantity Surveyor

Sizewell C Company; Ipswich; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Market leading salaries

Generous annual leave

Pension scheme

Flexible benefits

Job summary

Sizewell C Company seeks a Senior Quantity Surveyor to provide strategic commercial leadership within the Civil Works Alliance. You will drive governance, data accuracy, and deep commercial insight across a £200m annual spend, partnering with the ASTOC Commercial Lead and multiple stakeholder teams.

Essential experience includes NEC contract administration, governance, and proven delivery in large infrastructure.

Qualifications

• Degree qualification or equivalent in Quantity Surveying or related discipline.
• Extensive commercial management experience in major projects or infrastructure.
• Strong understanding of NEC and professional services contract administration.
• Proven experience managing governance, compliance, and commercial assurance processes.
• Strong stakeholder management and influencing skills with the ability to engage across multiple levels.
• Demonstrable experience managing liabilities, forecasts, and commercial reporting.
• Excellent communication and organizational skills with the ability to lead and mentor others.
• Proficiency in SAP, Microsoft Office, and commercial management systems.

Responsibilities

• Lead commercial management and administration of PSCs across ASTOC with robust governance.
• Ensure compliance with commercial governance requirements and delegated authority.
• Manage liabilities, commitments, and commercial obligations across the portfolio.
• Lead ASTOC allowance reviews and conduct comprehensive commercial assessments.
• Support approvals, applications and funding processes with commercial expertise.
• Provide commercial insurance across ASTOC activities and expenditure.
• Develop and improve AFP commercial processes and controls for efficiency.
• Maintain stakeholder relationships across Commercial, Finance, Delivery and Client teams.
• Support internal and external audits and ensure proper commercial records.

Skills

Contract administration

Governance frameworks

Stakeholder management

Commercial leadership

Risk management

Education

Quantity Surveying degree

Tools

SAP

Unifier

Microsoft Office

Job description

Senior Quantity Surveyor 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?

The Senior Quantity Surveyor will deliver commercial leadership and strategic support to the ASTOC Commercial Lead, driving robust commercial controls, governance assurance, and continuous improvement across the ASTOC portfolio. Managing approximately £200m per year of staff and professional services expenditure, this senior role will play a critical part in ensuring accuracy, transparency, and consistency of commercial data, whilst supporting informed decision-making and strong commercial performance across the Alliance.

Key responsibilities will include:

• Leading the commercial management and administration of Professional Services Contracts (PSCs) across ASTOC, ensuring robust contractual governance
• Ensuring full compliance with commercial governance requirements and delegated authority frameworks
• Managing and reviewing liabilities, commitments, and commercial obligations across the portfolio
• Leading ASTOC allowance reviews and conducting comprehensive commercial assessments
• Supporting commercial approvals, applications, and funding processes with commercial expertise
• Providing commercial insurance across ASTOC activities and expenditure
• Developing, implementing, and improving AFP commercial processes and controls to enhance efficiency
• Maintaining effective stakeholder relationships across Commercial, Finance, Delivery, and Client teams
• Supporting internal and external audits whilst ensuring appropriate commercial records and documentation
• Identifying and mitigating commercial risks and governance issues
• Leading strategic commercial initiatives and driving continuous improvement activities
• Deputising for the ASTOC Commercial Lead as required

What are we looking for?

The ideal candidate will be an experienced commercial professional with a track record of delivering commercial leadership within complex, large-scale environments. You will bring extensive knowledge of contract administration, governance frameworks, and commercial best practice, combined with strong influencing skills and the ability to drive strategic improvements.

Essential Knowledge, Skills and Experience:

• Degree qualification or equivalent in Quantity Surveying, Commercial Management, or related discipline
• Extensive commercial management experience within major projects or infrastructure programs
• Strong understanding of NEC and professional services contract administration
• Proven experience managing governance, compliance, and commercial assurance processes
• Strong stakeholder management and influencing skills with the ability to engage across multiple levels
• Demonstrable experience managing liabilities, forecasts, and commercial reporting
• Excellent communication and organizational skills with the ability to lead and mentor others
• Proficiency in SAP, Microsoft Office, and commercial management systems
• Strategic thinking with a focus on process improvement and operational excellence
• Proven ability to identify commercial risks and develop effective mitigation strategies

Desirable Qualifications and Experience:

• Chartered status or working towards MRICS, MCICES, or equivalent
• Experience within the nuclear, energy, or major infrastructure sector
• Knowledge of Unifier and alliance-based commercial environments
• Experience working within alliance or collaborative contract models
• Exposure to earned value management or performance measurement frameworks
• Experience supporting strategic commercial initiatives and transformation activities

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.