Accounting Manager Company Overview LG Energy Solution Vertech, Inc. (LGES Vertech) is a full-service energy storage system supplier and integrator. Using our core strengths of expert service to our customers, unparalleled safety, and excellence in manufacturing, we bring standardized, fully integrated energy storage systems to a rapidly growing worldwide market. Our systems address our customers' needs to reduce capital equipment and installation costs while enhancing system level performance and reliability using automated monitoring systems and analytics across the battery, power conditioning and auxiliary systems. Our AEROS® energy operating system is the engine of innovation to provide advanced control functions allowing our customers to maximize the value of their energy storage assets. Our service capabilities include advanced monitoring and analytics, scheduled maintenance, augmentation, and auxiliary system upgrades. The combination of excellence in battery technology and production coupled with nearly two decades of energy storage integration makes LGES Vertech a leading supplier and integrator in the power and energy markets. LGES Vertech is a highly matrixed, team oriented organization that fosters cross functional collaboration and innovation. The company seeks high caliber candidates with proven experience and with characteristics that embody our corporate commitment to the virtues of humble, hungry and smart in all we do. Our diverse and growing team enjoys competitive salaries, generous benefits, including 100% employer sponsored medical, dental, vision, life and disability insurance. For more information about LGESVT, please visit www.lgensol-vt.com. Position Overview The Accounting Manager reports to the CFO and is responsible for overseeing the company s day-to-day accounting operations, month-end close processes, and financial reporting activities. This role ensures the accuracy, completeness, and timeliness of accounting records in compliance with US GAAP and company policies. The Accounting Manager leads and manages accounting workflows, including general ledger, reconciliations, accruals, and internal controls, and plays a key role in coordinating cross-functional activities to support timely monthly and quarterly close. This position is accountable for understanding the interdependencies between accounting processes and other departments, and for proactively resolving issues that may impact financial close and reporting. As Vertech continues to grow and integrate financial systems and processes with its parent company in Korea, the Accounting Manager will play a critical role in driving process standardization, improving efficiencies, and ensuring accurate financial data flow across entities. The successful candidate must be adaptable, detail-oriented, and comfortable operating in a dynamic, fast-paced, and evolving environment while providing leadership and guidance to the accounting team. Primary Responsibilities Oversee and review the timely analysis and reconciliation of key balance sheet accounts to ensure accuracy and completeness Lead variance analysis, investigate discrepancies, and partner with cross-functional stakeholders to identify and explain key drivers Review, approve, and ensure the accuracy of general ledger postings, accruals, and adjusting entries, and ensure timely resolution of reconciling items Manage and coordinate month-end, quarter-end, and year-end closing processes to meet reporting deadlines Lead and support internal and external audits, including audit planning, coordination, and timely response to audit requests Drive and support accounting-related projects, including ERP/system integration, process improvements, and data preparation for audits and reporting Establish and maintain proper organization, documentation, and retention of accounting records to support audits and internal reviews Serve as a primary point of contact for accounting-related inquiries from internal stakeholders and provide guidance on accounting policies and procedures Ensure adherence to accounting policies, internal controls, and US GAAP requirements across accounting processes

Key Knowledge, Skills and Abilities Required:

Strong knowledge of ERP and accounting systems, with the ability to oversee accounting transactions, system integrity, and data accuracy In-depth understanding of accounts payable (AP) processes, with the ability to review, supervise, and resolve complex or non‑routine AP issues Solid knowledge of fixed asset accounting, including capitalization, depreciation, disposals, and asset lifecycle management Strong attention to detail, with the ability to ensure accuracy while managing multiple priorities, deadlines, and competing demands Effective communication skills, with the ability to clearly explain accounting matters to both finance and non‑finance stakeholders Exceptional time management and organizational skills, particularly in a fast‑paced close environment Strong critical‑thinking and analytical skills, with the ability to gather, evaluate, and interpret relevant information to make sound accounting judgments Ability to adapt to a changing business environment and lead teams through process, system, or organizational changes Demonstrated process improvement mindset with a strong internal customer service orientation Proven problem‑solving skills, with the ability to identify root causes and implement sustainable corrective actions

Desired:

Experience overseeing or supporting cost accounting and manufacturing finance activities Strong working knowledge of SAP FI/CO or other enterprise‑level accounting and finance modules Familiarity with financial reporting tools, BI dashboards, or data visualization platforms used for management reporting Experience preparing and reviewing executive‑level financial reports and presentation materials Proven ability to drive accounting process improvements, strengthen internal controls, and enhance financial transparency Working Conditions/Office Environment/Travel Office-based position located in Boston , requiring regular on-site presence.