Site Controller

Compensation Grade

ACE-USD-36

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.

• 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

• 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

• 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

• 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 centres, GLs, allocations, activity rates)
• Ensure continuous improvement and optimisation 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

• Own site cash flow performance, including forecasting, working capital optimisation, and risk management
• Drive improvements in inventory, payables, and receivables to optimise cash conversion
• Provide clear visibility of cash risk and opportunities to Leadership
• Own the stock reconciliation and protect inventory assets and SAP accuracy

• 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…