Group Financial Controller

Tokamak Energy is a global leader in fusion energy and high temperature superconducting (HTS) technologies. We work with governments and industry to develop and bring fusion and HTS solutions to market through innovation and strategic partnerships. A major part of this is our end to end capability in HTS systems, from design to manufacturing.

We are the Magnet Systems Partner for the UK Government's STEP Fusion programme, under a £70 million contract running to 2029, working with UK Fusion Energy to deliver HTS magnet systems for the STEP prototype power plant, while also contributing to tokamak systems and plasma integration.

Founded in 2009 as a spin-out from the UK Atomic Energy Authority, Tokamak Energy is headquartered in Oxfordshire, with subsidiaries in the United States and Japan. Today, we employ over 300 people and have secured more than £280 million in investment.

We operate through three divisions:

Fusion

Fusion energy technologies, expertise and testbeds for government and private fusion programmes, including ST40, the world’s highest field spherical tokamak.

TE Magnetics

HTS systems for commercial applications including fusion energy, power distribution, life sciences, and propulsion.

Ridgway Machines

Manufacturing equipment for the superconducting, electrical and wider energy sectors, enabling the rapid industrialisation of HTS products.

We’re looking for an exceptional Group Financial Controller to play a pivotal role in shaping the financial future of Tokamak Energy.

The Opportunity

Reporting directly to the CFO, you will lead the global financial control function, combining technical excellence with strategic insight. As a key member of the finance leadership team, you’ll partner with senior stakeholders across the business, ensuring robust financial governance while enabling innovation and growth.

This is an exciting opportunity to join a cutting-edge organisation at the forefront of fusion energy and superconducting technologies—where your impact will extend far beyond finance.

Salary guide - £90,000 to £110,000 dependent on skills and experience (plus benefits)

What you’ll be doing

In this high-impact leadership role, you will:

Leadership & Finance Excellence

• Lead, develop and inspire a high-performing global finance team

• Foster a service-oriented finance culture, enhancing financial awareness across the business

• Act as a trusted advisor to senior stakeholders, contributing to strategic decision-making

Financial Control & Reporting

• Own and continuously improve the group financial control environment

• Ensure accurate, timely and compliant financial reporting across the group

• Lead the preparation and consolidation of group results, including subsidiaries and JVs

• Oversee monthly, quarterly and annual reporting cycles and statutory accounts

• Manage and deliver the annual external audit process

Systems, Processes & Controls

• Drive improvements to financial systems, processes and ERP platforms

• Establish robust internal controls, ensuring efficiency alongside compliance

• Define best-in-class period-end processes and reporting standards

Treasury, Tax & Compliance

• Take ownership of group cash management, treasury operations and working capital

• Ensure global tax compliance (including VAT, payroll, corporation and international taxes)

• Lead R&D tax credit claims and related initiatives

• Stay ahead of regulatory changes and ensure ongoing compliance

Business Partnership

• Collaborate with FP&A to support planning, forecasting and business insight

• Support the CFO on strategic projects and financial initiatives

• Partner with the People team on payroll, pensions and related compliance