We are supporting a Chesterfield-based business that requires an experienced Credit Controller to support a critical ledger stabilisation project following a recent ERP system transition.This role is not a standard credit control position - it requires someone with strong end-to-end credit control experience, capable of working through complex reconciliations and data clean-up activity at pace.Key responsibilities:Full reconciliation of customer accounts across dual systemsInvestigation and correction of misallocations (including cross-account and invoice-level discrepancies)Cleansing and stabilisation of a high-volume ledger ( 4,500 live accounts)Resolving historic issues caused by system workaroundsSupporting the transition to a clean, accurate and reliable ledger positionCandidate profile:Proven experience in end-to-end credit controlStrong reconciliation skills - comfortable handling complex, messy ledgersExperience working through ERP/system transitions or data issues is highly advantageousMethodical, resilient and able to work through high volumes with accuracyComfortable operating in a fast-paced, problem-solving environmentAdditional information:Initial 3-month assignment with strong likelihood of extensionExtension likely to be on a rolling basis (weekly/monthly) depending on progressImmediate impact role with a clear objective - ideal for a contractor who enjoys problem-solving and adding value quickly