Site Controller

Overview

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.

Compensation Grade: ACE-USD-36

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:

• 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 centers, GLs, allocations, activity rates)
• Ensure continuous improvement and optimization of financial systems and reporting tools
• 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 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

• 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…