Job Description

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

Requirements

Essential skills & experience

• ACA / ACCA qualified (ideally Top 10 trained) with significant post-qualified experience (8+ years PQE)

• Proven experience leading and developing high-performing finance teams

• Strong technical accounting expertise (IFRS)

• Hands-on experience of tax, compliance and financial operations in a group/international environment

• Solid treasury, cashflow and banking experience

• Track record of enhancing internal controls and financial processes

• Experience with ERP/accounting systems (ideally Microsoft Dynamics / Business Central)

• Advanced Excel and strong systems capability

• A proactive, accountable leadership style with excellent stakeholder management

Desirable

• Experience within science, technology or complex/joint venture environments

• Strong knowledge of UK R&D tax credit schemes

• A genuine interest in Tokamak Energy’s mission

Benefits

• Please note this role does offer hybrid working, our model sets out a minimum 60% onsite / 40% home working split. Part time working or job share options will be reviewed on an individual basis.
• 25 days holiday (plus bank holidays and discretionary 3 festive days to be used between Christmas and the New Year)
• Company pension scheme
• Eligible for company share option scheme
• Company bonus scheme, discretionary, dependant on performance
• A range of financial benefits including death in service and critical illness cover
• Cycle to work scheme

Important information for candidates

No terminology in the advert or job description is intended to discriminate on the grounds of a person’s age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and abilities to perform the duties of the job.

Pre-employment screening

Please note that the appointment of the successful candidate will be subject to standard pre-employment screening, as applicable to the post. This will include right-to-work, proof of identity and references.

Data privacy

Please note that any personal data submitted to Tokamak Energy as part of the job application process will be processed in accordance with the GDPR and related UK data protection legislation, for more information regarding GDPR please see: https://www.gov.uk/government/publications/guide-to-the-general-data-protection-regulation

Equality of opportunity

Entry into employment with the Tokamak Energy and progression within employment will be determined only by personal merit and the application of criteria which are related to the duties of each post and the relevant salary structure. In all cases, ability to perform the job will be the primary consideration. No applicant or member of staff shall be discriminated against because of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.