Senior Accountant, Accounts Payable focus

WHO WE ARE: At Three Wire Systems, we are the trusted source for government agencies and military organizations seeking care coordination where and when it matters most - delivered through smart, efficient technology solutions. Our MyAdvisor team provides wraparound care to individuals and families, offering personalized support in behavioral health, wellness, career coaching, crisis response, and more. As a fast-growing, service-oriented company, we rely on sharp, committed professionals to help keep our operations running with precision. We’re seeking a Senior Accountant with strong Accounts Payable experience who thrives in a collaborative, fast-moving environment. If you're someone who wants to do more than just record transactions - someone who’s eager to understand the story behind the numbers and help drive improvement - this is a great next step in your career. WHAT YOU’LL DO:

• Own and manage the full-cycle accounts payable process: vendor onboarding, invoice review and coding, obtaining approvals, and scheduling payments via check, ACH, and wire.
• Monitor AP aging and vendor accounts; proactively identify and resolve discrepancies or issues.
• Review and process employee expense reports and reconcile corporate credit card statements, ensuring alignment with internal policies and federal regulations.
• Supervise accounts payable clerk.
• Contribute to month-end close by recording journal entries, reclassifying expenses as needed, and reconciling balance sheet accounts. Investigate and resolve open items.
• Prepare and file required tax returns: gross receipts, sales and use taxes, and personal property tax.
• Provide cash management support by assisting with the 13-week cash forecast, planning weekly disbursements, and recording cash receipts daily.
• Participate in the annual financial audit by preparing schedules and responding to auditors’ requests for information.
• Maintain the fixed asset register, recording asset purchases and disposals, syncing it with IT, and posting monthly depreciation expense.
• Work cross-functionally with project managers and analysts to ensure vendor payments are properly coded and aligned with project budgets.
• Deliver exceptional internal and external customer service by promptly addressing AP-related questions and requests.
• Track vendor and contractors spend against purchase order limits and handle 1099 reporting at year end.
• Participate in fiscal year-end closing activities related to AP and cash.
• Suggest process and policy improvements for better performance and efficiencies.
• Ensure accurate and organized financial documentation is maintained in SharePoint and other systems of record.
• Maintain and update accounts payable SOPs and work instructions to ensure clarity, accuracy, and best practices.
• Ad hoc assignments or projects as needed.

WHO YOU ARE:

• Bachelor’s degree in Accounting, Finance, or related field (experience may be considered in lieu of a degree)
• 5 years experience, 2 of accounts payable experience
• Proficiency in Deltek CostPoint preferred
• Experience with government contracting preferred
• Strong Microsoft Excel skills (e.g., Power Query, XLOOKUPS, pivot tables)
• Skilled in other MS Office apps such as SharePoint, Word, and PowerPoint
• Strong knowledge of GAAP and AP workflows
• Independent and accountable, takes ownership and delivers results with minimal supervision
• Highly organized and detail-oriented, able to manage multiple priorities and meet deadlines in a fast-paced environment
• A clear and effective communicator with strong interpersonal and written skills
• Committed to producing high-quality, error-free work and continuously improving financial processes

WHY JOIN THREE WIRE? You’ll be part of a purpose-driven company where finance supports programs that make a real impact. Our lean, agile team values new ideas, gives people ownership of their work, and supports professional development. If you're looking for meaningful work, a tight-knit team, and the chance to help shape best practices—we’d love to meet you Apply tot his job Apply To this Job