Accounting Manager

The opportunity : The North America Mills Accounting organization is seeking a Manager, Accounting - Mills to lead and oversee a broad portfolio of accounting processes supporting mill operations. The role is responsible for ensuring the accuracy, completeness, and timeliness of financial results across assigned areas, which may include inventory, freight, warehousing, pricing and revenue, fixed assets, maintenance, restructuring, and relevant technical accounting matters. The position maintains strong internal controls and compliance with U.S. GAAP and Company policy. This position manages a team of accounting professionals comprised of 4-5 direct reports and plays a critical role in the monthly close process, financial reporting, audit support, and accounting policy execution. The role requires close collaboration with mill finance, operations, supply chain, commercial, maintenance, engineering, and corporate accounting teams. In addition to core accounting responsibilities, this role serves as a key driver of process standardization, automation, and continuous improvement across mill accounting workflows. How you will impact Smurfit Westrock : Leadership and Oversight Lead and develop a team of accounting professionals responsible for assigned mill accounting processes. Provide guidance, coaching, and performance management, including training and cross-functional development. Manage day-to-day accounting operations with a focus on accuracy, efficiency, consistency, and scalability. Partner with senior leadership to communicate financial results, accounting risks, control matters, and improvement opportunities. Operational Accounting and Financial Reporting Oversee accounting and reporting for a broad portfolio of mill-related activities, which may include: Inventory valuation, reserves, accruals, and period-end cutoff Freight, warehousing, and other logistics-related costs and accruals Pricing, revenue, rebates, incentives, and other commercial accounting matters Fixed assets, capital projects, depreciation, asset retirements, and related controls Maintenance expenditures and the appropriate classification of capital and expense activity Restructuring, transformation, and other special business activities; and relevant technical accounting matters affecting mill operations. Ensure transactions are recorded accurately and consistently in accordance with U.S. GAAP and Company accounting policies. Analyze account balances and fluctuations to identify risks, trends, unusual items, and required adjustments. Partner with functional stakeholders to improve source data, accounting accuracy, and operational alignment. Close and Financial Reporting Oversee monthly, quarterly, and annual close activities for assigned accounting areas. Review and approve journal entries, month-end schedules, account reconciliations, and supporting analyses. Ensure completeness and accuracy of financial results, including proper classification, period-end cutoff, and balance sheet presentation. Support preparation and review of management reporting, variance analyses, and financial explanations. SOX Controls, Audit and Compliance Maintain and ensure the effectiveness of internal controls over assigned accounting processes. Review the performance of key SOX controls and ensure complete, accurate, and timely documentation. Lead and coordinate responses to internal and external audit requests. Ensure compliance with Company accounting policies, U.S. GAAP, and applicable control requirements. Technical Accounting and Policy Application Research and evaluate accounting guidance for operational transactions and emerging business matters. Prepare or review accounting conclusions, supporting documentation, and position papers, as needed. Partner with Corporate Accounting and other subject matter experts on complex or judgmental accounting matters. Promote consistent application of accounting policies across mill locations and assigned processes. Process Owners…

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