Commercial Assistant

EDF Energy; Bridgwater; Hybrid; GBP 28,000 - 34,000; Full time

Job summary

A major energy company in the UK seeks an HPC Commercial Assistant to support contract management on a significant infrastructure project. The role involves tracking compliance, preparing valuations, and managing budgets while collaborating with the Commercial Management Team. Successful candidates will demonstrate strong negotiation skills, a solid grasp of contracts, and relevant educational or commercial experience. The position offers a salary starting from £31,000, potential bonuses, along with customizable benefits.

Benefits

Electric vehicle leasing

Discounted gym membership

Life assurance

Tech vouchers

Experience days

Qualifications

• Experience in estimating, valuations, cost reporting, and basic financial modelling.
• Understanding of contract performance, risk management, and change management processes.
• Experience in contract administration as part of a commercial team.

Responsibilities

• Support Commercial Management Team and Project Manager with commercial activities.
• Assess contractor applications and manage valuations and payment applications.
• Monitor commercial performance and manage contract changes.

Skills

Contract knowledge

Estimating

Valuations

Cost reporting

Financial modelling

Negotiation skills

Communication skills

Education

Degree-level education or relevant commercial experience

Tools

CEMAR

SAP

Job description

About the Role

Ready to lead engineering excellence at one of Europe’s largest infrastructure projects? Want to shape the future of nuclear energy and help Britain achieve net zero? At EDF, Success is Personal – and with us, your career journey is yours to shape.

The Opportunity

As an HPC Commercial Assistant, you’ll play a key role in supporting the commercial delivery of contracts across one of the UK’s largest infrastructure projects. You’ll be the trusted commercial partner for the contracts assigned to you, ensuring the Commercial Management Team has the information, insight and support they need to keep the project moving.

As most of your stakeholders and portfolio of contracts will be based at Hinkley Point C, the majority of your working week will be spent at this location, however flexibility will be offered to work from home or at other office locations.

Working in Site Construction for the Transaction and Assurance Team you will be responsible for administration of core service contracts on site. Duties will include tracking contract communication compliance, working with the team to ensure contractor adherence to site documentation, supporting with payment applications and budget management.

You’ll join a dynamic commercial function at Hinkley Point C, working closely with the Commercial Manager and collaborating across Nuclear New Build. This is a role is based at #HinkleyPointC, with a minimum of 3 days per week onsite.

This is your opportunity to contribute directly to a project shaping Britain’s energy future. You’ll work proactively with colleagues at all levels, support the management of contract requirements, and help ensure that each commercial decision aligns with the needs of the individual contracts and the wider HPC programme.

Who You Are

We’re looking for an HPC Commercial Assistant who’s collaborative, detail‑driven and confident working in a fast‑paced commercial environment. Do you bring…

• A solid working knowledge of contracts, along with experience in estimating, valuations, cost reporting and basic financial modelling.
• An understanding of contract performance, risk management, and the processes behind change and claim management.

• Strong negotiation, influencing and communication skills that help you build credibility at every level.
• A degree‑level education or relevant commercial experience with a proven track record in successful contract administration.
• Experience working as part of a commercial team, contributing to shared goals and supporting wider project delivery.

What You’ll Be Doing

• Supporting the Commercial Management Team and Project Manager, ensuring smooth delivery of all commercial activities.
• Assessing contractor applications, preparing valuations and payment certificates, and managing Early Warnings.
• Reviewing contractor deliverables, daywork records and progress, including participation in valuation and review meetings.
• Monitoring commercial performance, managing contract changes, and producing cost reports, supplier reviews and lessons‑learnt summaries.
• Leading final account reviews and reconciliations, and administering key commercial systems such as CEMAR and SAP.

Pay, Benefits and Culture

Alongside a salary from £31,000, potential for an annual bonus, and a market-leading pension scheme, your package will include customisable benefits such as electric vehicle leasing, discounted gym membership, life assurance, tech vouchers, experience days, and more.

At EDF, we believe there are multiple definitions of what it means to succeed. That’s why we offer you the freedom to develop a career that’s unique to you. Here, Success is Personal – it’s your journey, powered by us.

Everyone is welcome at EDF; we’re committed to building a workforce that reflects gender balance, social mobility, and inclusion of minority ethnic backgrounds, LGBTQ+ communities, and those with disabilities. As a Disability Confident employer, we will support applicants requiring adjustments.

Join us and find your success at EDF!

Closing date for applications: 29th January 2026

#SuccessIsPersonal #EDFcareers #LI-Hybrid #DestinationNuclear #HinkleyPointCJobs #EDFNuclearJobs

Success is Personal. It's your journey, powered by us. Join us and drive the transitiontowards an ElectricBritain.