Accounts Payable Specialist

Accounts Payable Specialist Location: Remote-based (Northamptonshire headquarters)Contract Type: Temporary - 3 monthsRate: £16-£20 per hour (Inside IR35 via Umbrella)We're recruiting experienced Accounts Payable professionals with strong SAP knowledge to support key elements of the migration project. We are recruiting across multiple AP workstreams, including Invoice Processing, AP Resolution, Payments, and Cash Banking/Treasury. These roles are ideal for individuals who thrive in fast-paced, high-volume finance environments.Candidate Profile Essential

• Robust Accounts Payable experience covering invoice processing, exceptions, payments, reconciliations, or cash administration
• Practical SAP experience, particularly within:
  • Accounts Payable
  • Invoice matching & exception handling (CIM / GR/IR)
  • Invoice posting and processing
  • Payment proposals and payment run execution

Desirable

• Understanding of PO vs non-PO invoice flows
• 3-way matching & tolerance handling
• Familiarity with EDI/OCR
• Strong Excel skills and high attention to detail
• Experience with large invoice volumes
• Knowledge of BACS/APT payment file processing
• Reconciliation experience (cashbooks, ledgers, GR/IR)
• Shared mailbox management
• Journal posting experience (cash/treasury roles)

Key Responsibilities (Depending on Role)

• Reviewing and resolving unmatched, blocked, or exception invoices
• GR/IR investigations and variance analysis
• Processing, posting, and validating invoices (manual, batch, EDI)
• Clearing interface failures, duplicates, and EDI errors
• Preparing, validating, and reconciling payment runs
• Investigating rejected payments and remittance issues
• Daily cashbook reconciliations & journal postings
• Responding to internal and external AP or treasury queries
• Managing shared inboxes to support accurate, timely processing

If you have strong AP experience and hands-on SAP knowledge, this is an excellent opportunity to support a major transformation programme within a forward-thinking finance function. Please note: Candidates must be immediately available or on a maximum 1-week notice period.