Accounts Payable Specialist

Role Overview

We are looking for a detail‑oriented Accounts Payable Specialist with a strong focus on Accounts Payable to support our finance operations across multiple legal entities and international markets. This role will play a key part in ensuring accurate, timely processing of supplier invoices and payments, working closely with internal stakeholders and external vendors. The ideal candidate will have hands‑on experience using Tipalti and Net Suite, and be comfortable operating in a fast‑paced, multi‑entity, global environment.

• End‑to‑end processing of supplier invoices across multiple UK and international entities
• Managing invoice workflows in Tipalti, including coding, approvals, and payment runs
• Ensuring invoices are accurately recorded in Net Suite in line with company policies
• Handling multi‑currency transactions and international supplier payments
• Maintaining accurate supplier records and bank details, ensuring compliance with internal controls

• Performing supplier statement reconciliations and resolving discrepancies
• Supporting month‑end close activities related to Accounts Payable
• Assisting with balance sheet reconciliations for AP‑related accounts
• Ensuring adherence to VAT and other indirect tax requirements where applicable

• Acting as a point of contact for supplier queries, resolving issues promptly and professionally
• Working closely with internal budget owners and approvers to ensure timely invoice approval
• Supporting audit requests and providing documentation as required

• Contributing to the continuous improvement of AP processes and controls
• Supporting system enhancements, automation initiatives, and best practices within Tipalti and Net Suite

• Proven experience in an Accounts Payable or AP‑focused Accounts Assistant role
• Strong working knowledge of Net Suite
• Experience working in a multi‑entity, international finance environment
• High attention to detail with strong organisational and time‑management skills
• Comfortable working with deadlines in a fast‑paced environment

• Hands‑on experience with Tipalti
• Understanding of UK VAT and international tax considerations

Opensignal is the leading global provider of independent insight and data into network experience and market performance. Our user‑centric approach allows communication providers to constantly improve their network and maximise commercial performance. Leading analysts, investors and financial institutions place a high value on our independent analysis and we are regular contributors to their reports.

Real network experience is our focus and ultimately that influences customer choice. Our mission is to advance connectivity for all and here at Opensignal, the team is leading the industry in enabling operators to link their network experience and market performance in a way that has never before been possible.

With offices in London, Boston Victoria, British Columbia, and Warsaw, and employees around the world, we are a truly global organization. We are an equal‑opportunity employer dedicated to building an inclusive and diverse workforce.

We believe we are stronger when we not only celebrate our many differences, values, and voices but also include them in everyday practice. Having a diverse and inclusive culture is essential, which is why we offer a flexible approach to work‑life balance, operating in a remote‑hybrid way. We’ll help you get set up with the essentials you need to work from home or the office.

We also offer an attractive range of additional benefits, including:

• Competitive compensation packages; including a long‑term equity program.
• Comprehensive group benefits package.
• Company sponsored retirement savings plan.
• Professional development opportunities: education reimbursement, learning allowance, company‑sponsored workshops, and more!
• Generous holiday allowance, sick leave, parental leave, flexibility including Summer Fridays, and the opportunity to work from abroad.
• Charity matching and time off for community volunteering.
• Regular virtual and in‑person events and socials.