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