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. In the construction phase, the Board’s principal focus is on delivering Sizewell C on time, on budget, and to the highest quality and safety standards. Sizewell C is economically regulated by OFGEM under the RAB model and follows a construction strategy that replicates the design of Hinkley Point C while achieving savings in time and cost of around 20%. The Chief Commercial Officer will be guided by lessons learned from Hinkley Point C to support Sizewell C’s ambition. Location: Based in one of our office locations (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 leads the financial control function, ensuring timely, accurate, and compliant financial reporting, robust processes, and a strong internal control environment. The role supports effective decision‑making by senior management, shareholders, auditors, and other stakeholders while embedding a culture of financial discipline and continuous improvement. Principal Accountabilities As Head of Financial Control, you’ll provide senior leadership across accounting, financial control, and governance during a major construction programme. You will act as the subject‑matter expert on the IFRS accounting implications of major infrastructure construction, oversee financial reporting, audit management, accounts payable and receivable, and lead finance transformation initiatives. 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, and 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 Provide financial reporting to the SZC Economic Regulation team, reconciling from IFRS accounts to regulatory reports in collaboration with other teams Partner with key stakeholders across finance, commercial, tax, and project teams 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, and 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 others’ points of view and ideas, willing to debate and 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 teams – 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.
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