Senior Expense Accountant

The Senior Expense Accountant owns AP close and vendor account management, including complex and high-value vendor relationships, reporting to the VP of Finance. This role also owns the corporate card program and expense policy compliance, and mentors the Expense Accountant, building a resilient, cross-trained expense accounting function. Accountabilities Own AP month-end close and vendor account reconciliation, hitting a 5-business-day close target. Manage complex and high-value vendor relationships, including payment terms negotiation and escalations. Own the corporate card program (Payhawk) and expense policy compliance, including periodic T&E audits. Drive AP and expense automation (e.g., OCR invoice capture, automated 3-way match, self-service reporting) to sustain close speed and accuracy as transaction volume scales. Partner with FP&A and Procurement to drive spend visibility, budget accuracy, and continuous improvement of the source-to-pay process. Review and mentor junior accountant(s), building a resilient, cross-trained expense accounting function. Key Responsibilities Review payment runs (ACH/wire) and approval workflows, ensuring 2-way/3-way match discipline and segregation of duties. Identify opportunities to capture early-payment discounts and streamline vendor onboarding. Drive automation and continuous improvement of the AP/expense workflow (invoice OCR, automated 3-way match, spend analytics and self-service reporting). Conduct periodic T&E audits to ensure expense policy compliance. Partner with FP&A and Procurement on spend visibility, budget variance analysis, and source-to-pay improvements. Negotiate payment terms with high-value vendors and resolve escalations. Provide day-to-day review and coaching to the Expense Accountant. Requirements Required: 5+ years in AP or expense accounting. Experience with NetSuite and a modern expense/corporate card platform (e.g., Payhawk, Ramp, Brex, or Navan). Comfortable operating in a multi-entity, multi-currency environment typical of a scaling global SaaS company. Comfortable owning payment run governance, approval workflow design, and segregation of duties. Prior experience reviewing or mentoring junior accounting staff. Treats expense policy compliance as a control, not just a checklist. Escalates vendor risk early, before it affects payment timing. Familiarity with SOX or equivalent internal-controls frameworks, and experience supporting SOC 2 or financial-statement audit requests related to AP, T&E, and vendor controls. Comfortable pushing back on non-compliant spend, including from senior stakeholders. Full professional fluency in English, written and spoken. Valid work authorization for the location of hire required; Omilia is not able to provide visa sponsorship for this role. Willingness to travel periodically for distributed team time. Nice to have: Professional accounting qualification (ACCA, CPA, CIMA or international equivalent). Comfortable using AI tools (e.g. Claude) and automation platforms (e.g. n8n) to streamline reconciliations, payment processing and reporting. Experience scaling AP/expense processes through high-growth periods (e.g., ERP migration, M&A integration, or multi-entity expansion) common in SaaS companies. Omilia Note