Accounts Payable Accountant

At ONI, we are driven by a profound mission: to propel scientific discovery and combat diseases by granting everyone the ability to visualize, comprehend, and share the intricate microscopic details of life. Our revolutionary Nanoimager stands at the forefront of advancing cellular studies on a molecular level, making substantial contributions to the evolution of scientific knowledge.

We’re looking for a detail-oriented and proactive Accounts Payable Accountant to join our Finance team. You’ll play a key role in ensuring accurate and timely processing of supplier invoices and corporate credit card expenses, supporting month-end close, and maintaining strong relationships with internal stakeholders and external suppliers.

• End-to-end processing of supplier invoices, including coding, posting, and approvals
• Managing high-volume Accounts Payable transactions accurately and efficiently
• Working across business functions to ensure vendor bills align with purchase orders and goods received
• Reconciling supplier statements and resolving invoice and payment discrepancies
• Preparing treasury requests and processing payment runs in line with agreed schedules
• Timely submission of Corporate Credit Card expenses
• Supporting month-end close, including AP and Credit Card accruals and associated balance sheet reconciliations
• Maintaining the AP ledger and ensuring compliance with internal controls and policies
• Responding to supplier and internal queries in a timely and professional manner
• Supporting audit requests related to Accounts Payable and Expenses
• Identifying opportunities to improve AP processes and efficiency
• Collaborating with the wider Finance team on reporting and ad-hoc projects

• Experienced in an Accounts Payable or transactional finance role
• Part-qualified (AAT / ACCA / CIMA or equivalent)
• Strong understanding of AP processes and financial controls
• Experience working in a fast-paced finance environment
• Confident using accounting or ERP systems (e.g. Net Suite, SAP, Oracle, Sage, Xero or similar)
• High attention to detail with a methodical approach to work
• Experience supporting month-end close
• Exposure to multi-currency or international suppliers
• Experience in a shared service or high-volume environment

At ONI, we understand that a fulfilling career involves more than just challenging work - it's about enjoying a well-rounded experience. When you become a part of our team, you not only contribute to groundbreaking research but also enjoy a range of benefits designed to enhance your life both inside and outside the workplace.

As an equal opportunity employer, we prioritize fairness and respect, ensuring every team member thrives regardless of their background. But that's not all - our perks include:

We recognise and reward your talent. Enjoy a competitive salary that reflects your expertise and contributions, ensuring your hard work is recognized.

28 days of annual leave plus bank holidays and 4 dedicated wellbeing days!

Stay active and energized with our convenient onsite gym, promoting your overall health.

Your health matters to us. Access top-notch medical and dental services, ensuring your well-being is in good hands.

Be a valued member of our diverse, inclusive family. Your unique perspective is celebrated here, fostering a culture of mutual respect and understanding.

Your mental health is essential. Access our comprehensive mental health support services for a balanced work-life experience.

Secure your future with our pension scheme, investing in your financial well-being beyond the workplace.

Enjoy exclusive discounts and deals through our perks at work program, adding value to your everyday life.

If you are driven by innovation, eager to make a significant impact in the realm of scientific and medical research, and possess the skills and passion we are looking for, we invite you to apply and be a part of our mission to improve our understanding of the details of life.