Senior Expense Accountant

🏢 Omilia · all 24 jobs
📍 United Kingdom
📅 Posted Sep 13, 2026 · via Himalayas
🏷 Accounts Payable, Expense Accounting, Ap Management, Finance Operations, Finance And Accounting, Senior Expense Accountant +4 more
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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

- Contribute actively and effectively as an integrated team member.
- Act as an Omilia ambassador in all interactions.
Benefits

- Competitive compensation;

- Long-term employment with the working days vacation;

- Development in professional growth (courses, training, etc);

- Being part of successful cutting-edge technology products that are making a global impact in the service industry;

- Proficient and fun-to-work-with colleagues;

- Apple gear

Omilia is proud to be an equal opportunity employer and is dedicated to fostering a diverse and inclusive workplace. We believe that embracing diversi

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