Senior Accounts Payable Specialist (Interim)

JSS are partnering with a leading organisation based in Bristol as they look to appoint an Interim Senior Accounts Payable Specialist to support the finance function during a period of transformation.This role will be focused on maintaining the day-to-day effectiveness of the Accounts Payable function, while also supporting a major ERP implementation project.

Reporting into the Accounts Manager, this position will play a key role in ensuring the smooth running of the UK payables process, while supporting the transition to a new finance system.You will take ownership of core AP responsibilities, ensuring accuracy, compliance and continuity during a busy period of change.

Responsibilities

Oversee the end-to-end Accounts Payable process, ensuring timely and accurate invoice processing and payments

Support the migration of Accounts Payable into a new ERP system, including testing and implementation support

Ensure accurate coding of supplier invoices (GL, cost centre, project) and correct VAT treatment

Manage payment runs, including bank uploads and manual payments where required

Maintain and update supplier records, supporting audit queries where necessary

Provide regular reporting on payables, including outstanding balances and supplier categorisation

Review and post credit card and expense data, ensuring accurate allocation

Support payroll-related payments (e.g. PAYE)

Carry out reconciliations (including petty cash and ad hoc analysis)

Act as a key point of contact for internal stakeholder queries across the business

Key requirements

Proven experience in a Senior Accounts Payable role (5+ years)

AAT Level 3 or 4

Experience working in a multi-entity environment

Prior exposure to ERP/system implementations or upgrades

Strong understanding of AP processes within a wider finance function

High level of accuracy and attention to detail

Strong communication and stakeholder management skills

Experience with large ERP systems preferred (Workday preferable)

Good working knowledge of Excel