Assistant Controller

Description

Our client, a Service-Disabled Veteran-Owned Small Business headquartered in El Cajon, supports public agencies, federal customers, healthcare systems, education systems, and local government organizations nationwide.

They are seeking an Assistant Controller who is experienced and hands-on to own the financial operations of a fast-moving, multi-contract distribution company. This is a genuine leadership role requiring financial judgment, team management, and technical proficiency in Microsoft Dynamics 365 Business Central (BC), reporting directly to the President.

The Assistant Controller will be responsible for the full accounting function including month-end close, accounts receivable, accounts payable, treasury management, tax compliance, and the day-to-day integrity of our client's financial records. The Assistant Controller will directly supervise a team of 4–6 accounting professionals across on-site and offshore functions and will serve as the primary internal authority on Business Central.

• Own and coordinate the full month-end close process in partnership with Optima's fractional controller
• Ensure all journal entries are posted accurately and on time: prepaid expenses, depreciation, commission accruals, payroll JEs, accrued payroll, ASC lease entries
• Prepare and maintain the balance sheet reconciliation file
• Coordinate Grainger rebate accrual and statement reconciliation
• Ensure the financial period is closed in Business Central on schedule
• Review and approve the management financial reporting package (targeting the 12th of each month)

• Supervise all AR functions including customer invoice generation, credit card processing, check scanning, deposit processing via Cash Pro, and customer payment application in BC
• Oversee weekly summary billing and portal integration and error resolution
• Manage AR unapplied payments and ensure timely customer ledger reconciliation
• Supervise collections activities through internal collections staff; ensure aging AR is actively managed

• Supervise all AP functions including vendor invoice entry in BC, RAMP expense management, non-RAMP vendor expense posting, and vendor credit memo processing
• Oversee vendor payment scheduling via Cash Pro ACH and NACHA file methods
  
  Manage vendor credit applications and vendor credit requests
• Ensure PBE vendor invoice and general vendor invoice issues (UOM, pricing, sales tax, RMAs) are resolved accurately and promptly

• Manage daily cash position
• Oversee all bank and credit card reconciliations (target: completed by the 5th of each month)
• Monitor liquidity and working capital; escalate cash flow concerns proactively to ownership
• Manage Cash Pro banking platform for ACH and wire transactions

• Own CDTFA sales tax reporting and timely remittance — no missed deadlines
• Manage quarterly estimated income tax payments on behalf of the corporation and company officers in coordination with our client's external CPA
• Ensure PTET tax payments are submitted on or before internal deadlines
• Maintain all tax compliance calendars and provide 48-hour advance notice to ownership if any deadline is at risk

• Serve as the primary internal escalation point when Business Central transactions are not flowing correctly — posting errors, integration failures, payment reconciliation issues, and portal discrepancies
• Triage accounting questions from the operations and sales teams quickly and effectively — distinguish material issues requiring immediate attention from immaterial issues that can be resolved routinely
• Coordinate with BC support resources as needed; document recurring issues and implement process improvements to reduce future errors

• Directly supervise and develop internal staff, and a new offshore AR specialist
• Set clear expectations, provide regular feedback, and hold team members accountable for deadlines and accuracy
• Delegate effectively — distinguish tasks requiring Assistant Controller-level judgment from tasks that can and should be handled by the…