Assistant Controller

Tatum by Randstad is urgently seeking a highly experienced, results-driven Interim Assistant Controller to join a prestigious, mission-driven organization in 100% ONSITE in Washington, DC. This is a critical, hands-on operational role designed to immediately stabilize the finance department, alleviate management workload, and drive process optimization.

We are looking for a mature, dependable professional with a "rolled-up-sleeves" approach who thrives on digging into day-to-day transaction cycles while mentoring staff

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Key Responsibilitie

• s:Process Optimization: Lead the initiative to streamline the monthly close process, with the strategic goal of reducing the close timeline from 10–15 days to 7–10 days
• Hands-On Operations: Personally manage and execute daily accounting functions, including AP, AR, journal entries, bank reconciliations, and payroll support
• Staff Supervision: Directly supervise accounting staff members, ensuring accurate and efficient handling of accounts payable, receivables, payroll, and general ledger functions
• Financial Management: Oversee operations, manage accounting for two different company codes, and provide necessary training and guidance to existing staff to improve work quality
• Documentation: Document financial processes, clean up operational bottlenecks, and establish clearly documented Standard Operating Procedures (SOPs)

Required Qualifications:

• Proven experience as a heavily hands-on Accounting Manager, Assistant Controller, or Controller
• Strong expertise in month-end close procedures and demonstrated success in process improvement
• Direct supervisory experience in a lean accounting department undergoing leadership transitions
• Comfortable operating productively within a changing organizational structure
• Experience with systems such as Microsoft Dynamics SL (Solomon), ADP software is a plus