Senior Manager, Accounting Operations

About One Energy Renewables

One Energy’s mission is to make clean energy the #1 source of electricity for consumers and utilities. We develop solar energy and battery energy storage (BESS) projects across the United States in community solar, distributed generation, and large utility scale project segments.

Our diverse project pipeline, multiple locations across the US, and unique multidisciplined team sets us apart.

We are a dynamic and innovative renewable energy industry company committed to excellence, collaboration, and driving positive change in our industry.

About the role

The Senior Manager, Accounting Operations leads the processes that turn day-to-day business activity into accurate, timely, and decision-useful financial information. This role owns operational accounting end to end, including the month-end close, cost accounting, revenue and COGS, inventory, treasury, general ledger, and the supporting systems and controls.

As a senior leader within Accounting, this role develops people and partners across Finance, Systems, and business teams to connect operational decisions to their financial impacts. The ideal candidate is an engaged people leader and practical problem solver who moves comfortably between detailed review, process design, and systems administration

What you'll do

Operational Accounting & General Ledger

• Own operational accounting across cost accounting, revenue, COGS, inventory, accruals, prepaids, fixed assets, AR, AP, and the general ledger, ensuring transactions are complete, accurate, timely, and GAAP-compliant.
• Lead accounting for project and inventory costs, including accumulation, capitalization, allocations, WIP and inventory movements, COGS recognition, and related reconciliations.
• Oversee revenue recognition, including contract review, journal entries, reconciliations, and documentation, and continuously improve processes as the business evolves.
• Lead the Accounts Payable function, ensuring accurate, timely processing, strong vendor controls, and continuous process improvement.

Month-End Close & Reporting Support

• Own the monthly close, driving completion within nine business days or less while maintaining high standards for accuracy, documentation, and review.
• Set the close calendar, ownership, and dependencies; remove roadblocks and lead retrospectives that shorten timelines without weakening controls.
• Review key balance sheet reconciliations, including cash, AP, payment platforms, accruals, prepaids, fixed assets, inventory, and revenue-related accounts.
• Collaborate with the Senior Manager, Financial Reporting and VP, Corporate Controller on consolidated financials, management reporting, budget-to-actual analysis, and MD&A.

Treasury & Cash Management

• Own daily cash visibility, short-term forecasts, and liquidity planning across entities, coordinating funding for payroll, vendors, and debt service within approved policies.
• Manage banking relationships and account administration, including openings, closures, signatories, entitlements, and fees.
• Oversee wire, ACH, and positive pay controls, maintaining approvals and segregation of duties, and partner with AP, Payroll, IT, and banks to prevent payment fraud.

Systems, Data & Process Improveme nt

• Own the accounting systems strategy and roadmap, ensuring technology supports growth, scalability, controls, and reporting needs.
• Lead the Systems Accountant and team, setting priorities and ensuring systems, integrations, and workflows are maintained and continuously improved.
• Serve as Accounting's business owner for Sage Intacct, overseeing configuration, governance, security, dimensions, and workflows, and the integrity of data flows with AP, expense, banking, payroll, and procurement platforms.
• Lead…