Interim Group Head of Internal Audit

On behalf of UKAEA (UK Atomic Energy Authority) we are looking for a Group Head of Internal Audit (INSIDE IR35) for a 6 month (until 31/12/26) contract based Culham 3 days a week onsite UKAEA run the UK's national fusion energy research programme, sponsored by the Government's Department for Energy Security & Net Zero. They are on a mission to deliver safe, sustainable, low-carbon energy from fusion, achieving maximum scientific and economic benefit along the way.

The UK Atomic Energy Authority (UKAEA) is seeking an exceptional Head of Internal Audit to lead and transform the internal audit function across the Group. This is a high-impact senior leadership role offering direct influence at Executive and Board level, including access to the CEO and the Audit & Risk Assurance Committee (ARAC). Reporting to the Group Director of QSHE, Risk & Assurance, you will define and deliver a best-in-class internal audit strategy aligned to UKAEA's mission and strategic goals.

You will play a pivotal role in strengthening governance, enhancing the control environment, and providing trusted assurance across the Group, including oversight of UK Industrial Fusion Solutions (UKIFS), a wholly owned subsidiary. As a Group Head of Internal Audit, your main responsibilities will be:
* Lead and deliver the Group Internal Audit strategy, audit charter and risk-based audit plan aligned to organisational goals
* Develop and execute a comprehensive, risk-based audit plan to maximise performance while minimising risk
* Provide independent assurance to the CEO, Board and ARAC on governance, risk management and internal controls
* Strengthen the control environment by providing expert guidance and practical recommendations across the organisation
* Assess the effectiveness of financial, operational and information systems and controls
* Influence strategic planning as part of the QSHE Risk & Assurance leadership team
* Build and deliver a Group-wide stakeholder engagement plan for internal audit
* Lead, mentor and develop a high-performing internal audit team, fostering a culture of excellence and accountability
* Deliver high-quality reporting and audit opinions to senior leadership and Board-level stakeholders
* Oversee assurance mapping of corporate risks and monitor management actions and implementation
* Work closely with ARAC Chairs, external auditors and the Government Internal Audit Agency (GIAA)
* Represent UKAEA nationally and internationally, benchmarking and implementing best practice
* Manage external audit services and ensure alignment and efficiency between internal and external audit activity
* Lead the implementation of modern, best practice audit methodologies and continuous improvement initiatives
* Manage and oversee the internal audit budget (c.£300k) Essential:
* Professionally qualified (CIA, ACCA, CMIIA or equivalent)
* Proven experience leading a risk-based internal audit function at a senior level
* Strong knowledge of audit principles, governance frameworks and internal control environments
* Demonstrated ability to influence and challenge at senior leadership and Board level
* Excellent communication skills, including experience producing high-quality Board reports
* Strong leadership capability, with experience coaching, mentoring and developing teams
* Track record of delivering assurance programmes and driving continuous improvement
* Ability to build strong stakeholder relationships across a complex organisation
* Strategic mindset with the ability to align audit activity to organisational objectives Desirable:
* Experience in risk management or project management, alongside implementation of assurance or quality improvement programmes
* Knowledge of ISO-certified management systems, with a strong understanding of UK compliance and safety requirements
* Experience with in public sector, regulated, or complex technical environments, with the ability to represent the organisation externally and apply commercial judgement Please be aware that this role can only be worked within the UK and not Overseas. In applying for this role, you acknowledge the following 'this role falls in scope of the Off Payroll Working in the Public Sector legislation.

Any rates of payment quoted will reflect the gross rate per day for the assignment and will be subject to appropriate taxes and statutory costs. As such the payment to the intermediary and your income resulting from this contract will be different'.