Systems Accountant - Process & Systems Transformation Day Rate: £450 - £525 (umbrella) Contract Length: 12 months Location: Harlow (Hybrid - minimum 3 days onsite) Clearance: SC A leading organisation within the defence sector is seeking an experienced Systems Accountant to support a major finance systems transformation programme. This is a fantastic opportunity to play a key role in a large‑scale SAP S/4HANA implementation, working at the heart of a high‑profile change initiative. You'll join a dedicated Process & Transformation team, supporting data migration, ensuring system integrity, and strengthening the organisation's financial systems landscape. This role offers the chance to influence critical systems change and collaborate across multiple business areas. Key Responsibilities Support data migration from SAP ECC to SAP S/4HANA Cleanse, validate and standardise financial data Analyse and map data from legacy systems to new ERP environments Identify and resolve data discrepancies and inaccuracies Produce clear documentation on cleansing approaches and testing outcomes Maintain master data accuracy and oversee data movement Work cross‑functionally with stakeholders and project teams Essential Skills Experience implementing finance systems or working as a Systems Accountant Strong background in data cleansing, migration or data management Exceptional attention to detail ...