Site Controller

About the role

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.

Responsibilities

• 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
• 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 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 alignment, and intercompany integrity across the Group
• Provide coaching and succession planning to ensure strong bench strength
• Own relationships with auditors, external partners, and internal corporate finance
• Drive adherence to Delegation of Authority (DOA) and financial governance standards

Requirements

• 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
• 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
• The ability to translate ideas into action, gain the respect and cooperation of team members
• The ability to operate effectively in a complex, fast-paced manufacturing environment