Lead Business Analyst (Treasury Management Systems)

Lead Business Analyst – Treasury Management System (Contract) Location: Reading (hybrid, 1 day per week) Duration: Initial 3 Months with view to extend Contract Type: Day Rate (Inside IR35)

Primark is seeking a Lead Business Analyst to support the implementation and evolution of our global Treasury ecosystem, centred on a new Treasury Management System (TMS) and its surrounding integrations. This role is critical in ensuring Treasury, Finance, Tax, and Technology are aligned across a highly regulated, multi‑system environment.

You’ll work across Primark and our parent company, carrying out significant requirement gathering, validating existing BA documentation, and challenging assumptions with confidence. A strong financial background is essential.

What You’ll Do Lead end‑to‑end requirement gathering across Treasury, Finance, Tax, AP and external partners Validate and refine existing BA documentation, ensuring accuracy and completeness Analyse Treasury processes (payments, cash visibility, FX, confirmations, accounting, reporting) Define system interactions, data flows, and integration requirements across the TMS landscape Identify dependencies, risks, and control gaps, ensuring visibility for delivery teams Support testing and validate outputs against Treasury and Finance expectations Act as the functional expert for Treasury components during delivery and early life support Produce high‑quality artefacts: BRDs, functional specs, process flows, impact assessments Collaborate with Product Owners, Engineers, SIs, and vendors to resolve requirement gaps

What You’ll Bring Proven experience as a Lead Business Analyst in Treasury, Finance Systems, or Banking Strong understanding of Treasury processes: cash management, payments, FX, confirmations, bank statements, accounting flows Experience working in integration‑heavy, multi‑system environments Ability to challenge stakeholders confidently, backed by strong financial knowledge Excellent communication skills — able to simplify complex issues without losing accuracy Comfortable working with ambiguity and progressively shaping scope Strong stakeholder engagement across Finance, Treasury, Technology, and external partners

Tech Landscape You’ll Work With Treasury Management Systems (e.g., FIS Integrity) Banking connectivity & payment platforms Market data & trading platforms (Bloomberg, 360T) Confirmation/matching tools (e.g., Finastra) Regulatory reporting (e.g., Regis TR) Oracle Financials API & file‑based integrations

Why This Role Matters You’ll be shaping and stabilising a full Treasury ecosystem, not just a standalone TMS. Success depends on ensuring upstream/downstream integrations, controls, and visibility requirements are fully understood and correctly implemented.