Head of Financial Control

Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements. Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway. Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The role will need to incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition. Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects. We are now recruiting the below position. Head of Financial Control. Location: Based in one of our office location (London, Manchester, Ipswich) Contract: Permanent Closing date: Friday 29th May 2026 What’s in It for You Salary: £110,000 – £130,000 per annum, depending on experience Car Allowance: £8,400 per annum Bonus: 15% annual incentive Pension: Up to 7.5% employee / 15% employer contribution Leave: 28 days holiday plus bank holidays Hybrid Working: Typically, 3 days in the office per week, with flexibility based on business needs Your Impact Reporting to the CFO, the Head of Financial Control is responsible for leading the financial control function, ensuring the delivery of accurate, timely, and compliant financial reporting, robust financial processes, and a strong internal control environment. The role provides leadership across financial reporting, finance operations, and internal controls to ensure a single, reliable source of financial truth, supporting effective decision-making by senior management, shareholders, auditors, and other stakeholders. The post holder will play a key role in embedding a culture of financial discipline, control, and continuous improvement, ensuring compliance with statutory requirements, accounting standards (IFRS), and governance frameworks. Principal Accountabilities: As Head of Financial Control, you’ll provide senior leadership across accounting, financial control, and governance during a major construction programme. This role is a key link between SZC and its shareholders and will act as the subject matter expert on the IFRS accounting implications of major infrastructure construction. You will bring strong technical accounting expertise, ideally from regulated utilities, construction, or complex capital programmes, alongside experience in assurance, financial reporting, and process improvement. You will oversee financial reporting, audit management, accounts payable and receivable, and broader financial control activities, ensuring suppliers are paid on time and regulated revenues are collected efficiently. The role also leads finance transformation initiatives, strengthening governance, internal controls, and assurance as SZC operates as a standalone organisation. Reporting lines include senior managers responsible for financial reporting, financial operations, finance projects, and digital systems. You will work closely with the CFO and Executive Team, providing clear, confident advice on key accounting judgements, risks, and strategic decisions. This is a senior, high‑profile role requiring strong leadership, stakeholder management skills, and the ability to operate with minimal supervision in a fast‑moving, complex environment. The role-holder’s principal responsibilities will include: Financial Reporting & External Compliance Oversee the preparation of statutory financial statements, ensuring compliance with IFRS and Companies Act requirements Lead the consolidation process and ensure accurate and timely group reporting to DESNZ, Centrica and EDF Own the relationship with external auditors and manage the audit process end-to-end Ensure high-quality technical accounting analysis and robust documentation of key judgements Deliver clear and reliable financial information to internal and external stakeholders Financial Control & Balance Sheet Integrity Ensure strong balance sheet governance, including oversight of reconciliations and review processes Drive improvements in the quality, transparency, and auditability of financial data Establish and enforce financial control standards across the organisation Own key close processes (monthly, quarterly, year-end), ensuring efficiency and accuracy Finance Operations (P2P, O2C, R2R) Oversee finance operations processes including procure-to-pay, order-to-cash, and record-to-report Ensure efficient, scalable, and well-controlled processes aligned to business needs Drive continuous improvement and automation across finance operations Internal Controls & Governance Own and continuously develop the internal financial controls framework Ensure controls are designed and operating effectively, with appropriate testing and evidence Lead remediation of control deficiencies and drive continuous improvement Support broader governance and compliance obligations (e.g. audit, regulatory, shareholder requirements) Leadership & Team Development Lead and develop a high-performing financial control function across: Financial Reporting Finance Operations Internal Controls Digital development Set clear objectives, performance expectations, and development plans for direct reports Build capability across technical accounting, process excellence, and control disciplines Foster a collaborative, high-accountability culture Stakeholder Management & Business Partnering Act as a trusted advisor to the CFO and senior leadership on financial control matters Provision of financial reporting to the SZC Economic Regulation team, who are responsible for providing regulatory reporting to Ofgem. The ability to reconcile from IFRS accounts to regulatory reports requires strong collaboration between teams. Partner with key stakeholders across finance, commercial, tax, and project teams Provide insight and challenge to improve financial performance and risk management Support Board, Audit Committee, and shareholder reporting requirements Transformation & Continuous Improvement Lead finance transformation initiatives relating to: Systems and data improvement Process standardisation and automation Control environment enhancement Ensure finance is fit for purpose as the organisation evolves (e.g. scale, regulation, funding changes) Knowledge, Skills, Qualifications & Experience Qualified accountant (ACA / ACCA / CIMA or equivalent) Significant experience in financial control, reporting, and governance within a large, complex organisation preferably in a regulated environment Proven leadership of multi-disciplinary finance teams Experience managing external audits and regulatory requirements Experience of finance transformation and process improvement Strong knowledge of IFRS Deep understanding of financial control environments and internal controls frameworks Experience across finance operations and transactional processes Strong analytical and problem-solving capabilities Behavioural Competences Humility Recognises the value brought from different cultures and experiences. Open to other’s points of view and ideas, willing to debate and to compromise. Positivity Positively challenges poor quality and performance. Identifies solutions at the lowest possible level. Encourages tier 1s and others to bring new ideas forward. Respect Values the rules and environment in which we operate. Gives and receives feedback with respect. Embraces and engages with new people and ideas. Solidarity Operates as ‘One team’, working closely together and helping each other. Empowers team – empowered teams always looking forward. Shares responsibility for delivering the project outcomes. Clarity Communicates clearly and consistently. Promotes collaboration and team alignment. Clear and fast decision making. Drives simplification at all levels. If this sounds like the next step in your career, we’d love to hear from you. Apply today. 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.