The Financial Controller is responsible for leading our client's month, quarter, and year-end close, statutory reporting, and audit across active legal entities in Ireland and the UK. The Financial Controller will be responsible for managing the general ledger upgrade and strengthen the control environment and tax compliance.The Responsibilities of the Financial Controller will include:Financial Reporting and CloseOwn month-end, quarter-end, and year-end close; deliver accurate and timely management accounts and consolidated reporting for IE/UK entities.Prepare variance analyses and commentaryEnsure balance sheet integrity: reconciliations, intercompany, accruals, fixed assets, leases.Audit and Statutory CompliancePlan and manage annual external audits and internal JSOX audits to timely sign-off; coordinate PBC lists and technical papers.Oversee statutory accounts and filings across Ireland and the UK; ensure IFRS and local GAAP compliance.Tax ManagementOversee indirect and direct tax compliance (VAT, corporate tax, payroll taxes) with external advisors as required.Review tax returns, reconciliations, and support transfer pricing documentation and tax audits/queries.Controls and GovernanceMaintain and enhance the control framework: policies, journals, approvals, reconciliations, segregation of duties.Monitor and remediate control gaps; maintain finance risk register and documentation (SOPs).Systems and Process ImprovementOwn the Sage GL upgrade project end-to-end (requirements, design, testing, cutover, training) and stabilize post go-live.Improve data quality and flows between Sage, ETRM, and BI/reporting tools; drive standardization and automation.Business PartneringProvide decision-ready financial insights to the Head of Finance and leadership.Support trading/commercial initiatives, including accounting considerations for derivative trading, fair value, and revenue recognition where relevant.People LeadershipLead and develop a team of two; set objectives, coach, and foster a high-performance, continuous-improvement culture.The Successful Candidate should be able to demonstrate the following:Qualified accountant: ACCA, ACA, CIMA (or equivalent).3–5 years PQE in a fast-paced, multi-entity environment.Proven experience in month/quarter/year-end close, audit management, and statutory reporting.Hands-on tax compliance experience (VAT and corporate tax) and strong balance sheet control discipline.Demonstrated success delivering finance systems change, ideally a GL/ERP upgrade; Sage experience preferred.Advanced Excel; experience with ERP/GL and BI/reporting tools; exposure to ETRM-ERP data flows is a plus.Prior experience in derivative trading accounting (e.g., fair value/IFRS 9 concepts) highly welcome.Skills and CompetenciesStrong technical rigor and attention to detail; robust analytical and problem-solving skills.Clear, concise communicator; comfortable engaging senior stakeholders.Proactive, organized, and accountable; drives process improvement and documentation.Supportive people leader who develops talent and builds cross-functional collaboration.KPIs/Success MeasuresClose timetable adherence and quality of management accounts.On-time audit sign-off with minimal adjustments.Reconciliation completeness and aging metrics.Sage GL upgrade delivered on time with stable post–go-live controls and reporting.Quality and timeliness of statutory and tax filings.Team engagement and development progress.