The Site controller operates as a key member of the Site Leadership Team (SLT) at a complex chemical manufacturing facility. The role is responsible for leading finance on-site and partnering closely with Operations, Commercial, Procurement and Central Finance. This role is the primary interface between site operations and central corporate finance. This position requires: • Strong leadership across finance and cross-functional teams • Accountability for financial governance and compliance • Influence over significant operational and capital decisions • Oversight of a multi-million dollar cost base and working capital. Accountabilities of the job: Accountability 1: Financial Leadership & Governance • Own and be accountable for the integrity of all site financial reporting, including profit & loss, balance sheet, and cash flow • Ensure full compliance with IFRS/ GAAP, internal controls and INEOS Group policies, and internal control frameworks • Lead balance sheet governance, ensuring risks are identified, escalated and resolved • Provide full assurance over inventory valuation, cost account methodologies, and SAP/ Oracle financial integrity • Own the governance, reconciliation, and resolution of all intercompany transactions across INEOS business sites, ensuring balances are accurate, aligned, and cleared in a timely manner in accordance with Group policy • Act as the primary point of accountability for audit readiness and external/ internal audit processes Accountability 2: Business Partnering and Strategic Influence • Act as a trusted advisor to the Site Manager, driving strategic and operational decisions • Act as a core member of the Site Leadership Team, providing financial leadership across all site activities • Challenge cost owners to deliver against budget and forecast commitments • Drive financial performance by challenging assumptions, identifying risks/ opportunities, and influencing outcomes • Lead financial input into major contracts, investment, and commercial arrangements • Provide clear, actionable insight into cost drivers, profitability, and capital allocation • Support and challenge other functions to maximize INEOS Acetyl's returns • Own the governance and resolution of intercompany transactions across INEOS business sites, ensuring balances are accurate, reconciled, and cleared in a timely manner Accountability 3: FP&A and Performance Management Ownership • Own the annual budget and monthly forecast process for the site • Ensure robust financial planning, including scenario modelling and sensitivity analysis • Lead performance reviews with stakeholders, driving accountability for financial targets • Translate operational performance into financial outcomes and communicate to senior stakeholders • Oversee development of cost and profitability models Accountability 4: SAP & Financial System Stewardship • Own the SAP financial environment and ensure integrity of financial data and processes • Lead month-end close activities and ensure timely, accurate reporting • Oversee master data governance (cost centers, GLs, allocations, activity rates) • Ensure continuous improvement and optimization of financial systems and reporting tool • Accountable for the Oracle HFM submission • Own all aspects of production accounting, ensuring accurate consumption, production, variances and stock valuation • Responsible for the functioning of different SAP modules, ensuring they reconcile Accountability 5: Cash Flow & Working Capital Management • Own site cash flow performance, including forecasting, working capital optimization, and risk management • Drive improvements in inventory, payables, and receivables to optimize cash conversion • Provide clear visibility of cash risk and opportunities to Leadership • Own the stock reconciliation and the safeguarding of inventory assets and SAP accuracy Accountability 6: Team Leadership & Capability Development • Lead, develop, and manage the site finance team (5 employees) • Define clear roles, responsibilities, and performance expectations • Build a high-performance culture focused on accountability, accuracy, and continuous improvement • Coordinate with other INEOS sites to ensure consistent financial treatment, cost alignment, and intercompany integrity across the Group • Provide coaching and succession planning to ensure strong bench strength Accountability 7: External & Cross-Functional Engagement • Own relationships with auditors, external partners, and internal corporate finance • Ensure audit readiness and successful completion of internal/ external audits • Drive adherence to Delegation of Authority (DOA) and financial governance standards Required profile: Technical Skills • CPA qualified Accountant preferred, or Bachelors' degree in Accounting & Finance with 5+ years relevant experience. • Extensive experience in manufacturing finance and cost accounting • Deep knowledge of IFRS/ GAAP and financial controls • Strong SAP systems experience • Proven experience in leading budgeting, forecasting, and performance • The jobholder needs to have strong digital skills • Strong numerical and analytic skills, business acumen and understanding of business drivers. Behavioral Skills • Strong leadership capability with the ability to develop high-performing teams • Influence at a senior level and challenge constructively • Strategic thinker with strong commercial acumen • High level of ownership, accountability, and integrity • The ability to challenge cross functionally • Very strong communication skills with the ability to resolve issues and present information effectively and persuasively, with the skill of negotiating both internally and externally. • Ability to translate ideas into action, gain the respect and cooperation of team members. • Ability to operate effectively in a complex, fast-paced manufacturing environment Performance indicators: • Accuracy and integrity of financial reporting • Achievement of site financial targets (P&L, cash, working capital) • Quality of financial insight and decision support provided to SLT • Strength of financial controls and audit outcomes • Development and performance of the finance team