Business Analyst (Invoicing processing, Accounts Payable)

Business Analyst – AP Invoice Processing Transformation

London (3 days on-site per week)

Contract role – Immediate start preferred

We are seeking an experienced Business Analyst with strong hands‑on Accounts Payable (AP) invoice processing expertise to join a high‑priority, GPO‑led transformation programme. This role requires a proactive, detail‑oriented individual who can quickly immerse themselves in existing test artefacts, take ownership of end‑to‑end testing, identify defects, and document system and process behaviour. You will also act as a Subject Matter Expert (SME) to support operational training and handover. You will work closely with GPO leadership, SMEs, and BPO/testing teams to ensure robust testing coverage and readiness for go‑live.

Key Responsibilities

• Own and execute end‑to‑end invoice processing testing, covering
• Invoice capture (OCR)
• Validation
• Review and enhance existing test scripts; design new test cases where gaps are identified
• Independently investigate exceptions and defects, documenting clear findings and driving resolution
• Produce high‑quality process documentation, including:
• End‑to‑end flows
• System behaviours
• Known issues
• Collaborate with GPO leads, SMEs, and BPO/test teams to ensure consistent understanding and coverage
• Act as an SME for AP invoice processing, supporting:
• Knowledge transfer
• Operational readiness
• Training materials
• Provide clear, actionable feedback to stakeholders
• Support go‑live readiness activities
• Attend regular stand‑ups and provide concise status updates

Required Skills & Experience (Must‑Have)

• Proven hands‑on experience in Accounts Payable invoice processing (operations or transformation programmes)
• Strong Business Analyst skillset, including:
• Requirements capture
• Test script creation & execution
• Process documentation
• Experience testing:
• Invoice capture/OCR tools
• Downstream AP or ERP systems
• Ability to work independently, take ownership, and drive progress without constant oversight
• Strong analytical mindset with curiosity to:
• Investigate end‑to‑end processes
• Identify edge cases and exceptions
• Structured documentation
• Comfortable working on‑site in London (3 days per week)
• Must have right to work in the UK
• Experience with SAP or other ERP AP modules
• Background in GPO‑led or shared services transformation programmes
• Experience working with third‑party BPO providers or offshore testing teams

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