Treasury Director

Company: Sizewell C

Location: London

Posted: May 3rd, 2026

Treasury Director

Location: London
Contract: Permanent

Closing date - 16th May

This is a rare opportunity where the scope, influence and long-term impact of the role are matched by a package designed to attract top‑tier Treasury leadership from across the infrastructure, energy and wider capital‑intensive sectors.

Lead the financing of one of Europe’s most significant infrastructure projects

This is a rare opportunity to take on a defining Treasury leadership role at Sizewell C - a nationally critical programme that will reshape how major infrastructure is financed and delivered in the UK.

Reporting directly to the Chief Financial Officer, you will lead the Treasury function at a pivotal moment.

Following Final Investment Decision and financial close in 2025, the focus now shifts from structuring to execution: operationalising a complex, multi‑decade financing model, embedding rigorous governance, and enabling financial discipline at unprecedented scale.

With a projected debt portfolio exceeding £30bn and a diverse funding structure spanning government, export credit agencies and international lenders, this role offers genuine breadth, influence and long‑term impact.

The opportunity

You will take ownership of a sophisticated financing platform designed to transform the delivery of nuclear power. This includes:

You will play a central role in maintaining strong investment‑grade credit ratings (currently BBB+ equivalent), managing relationships with key funding partners including the National Wealth Fund, export credit agencies and a syndicate of international banks, and shaping the long‑term refinancing strategy.

What you’ll lead

This is a broad, enterprise‑level leadership role spanning strategy, execution and governance.

Strategic leadership & financing

Treasury transformation & capability

Execution & governance

Stakeholder leadership

Financial insight & performance

The environment

Sizewell C is delivering a next‑generation nuclear power station in Suffolk, replicating the design of Hinkley Point C while driving meaningful improvements in cost and delivery.

Operating under the UK’s Regulated Asset Base (RAB) model and regulated by Ofgem, the project sits at the intersection of government, private capital and national infrastructure delivery.

The organisation is evolving rapidly into a standalone entity, offering a unique opportunity to shape systems, governance and culture from the ground up.

What we’re looking for

You will be an established Treasury leader with the credibility to operate at the highest levels of government, finance and industry.

Experience & expertise

Leadership & impact

Personal capability

Qualifications

Why this role

Opportunities at this level - with this scale, visibility and long‑term impact - are exceptionally rare.

You will:

When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.

At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work. It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

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