Interim Systems Accountant

We're currently looking for an experienced Systems Accountant to join a growing insurance/MGA business undergoing a major finance systems implementation. The implementation is being led by external implementation…

Pay rate £500 – £600/day
Contract type Contract
Posted 21 September 2026

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About this contract

We're currently looking for an experienced Systems Accountant to join a growing insurance/MGA business undergoing a major finance systems implementation.

The implementation is being led by external implementation partners, with the Systems Accountant acting as the finance-side SME and key link between the business and the implementation partners.

You’ll support the implementation across Sage Intacct, Azur and Diesta, ensuring the finance requirements, data flows, reconciliations and reporting are correctly designed, tested and ready for go-live.

Key responsibilities:
• Act as the Finance SME alongside the implementation partners
• Review and validate Sage Intacct configuration, COA and master data
• Support the design/testing of integrations between Azur, Diesta & Sage Intacct
• Lead finance-side UAT, data migration and reconciliation activities
• Build/validate reporting through Velixo
• Translate BPR outputs into practical finance processes and controls
• Support cutover and post-go-live stabilisation
• Liaise with implementation partners and internal Finance, IT, Actuarial & Underwriting teams

Looking for:
• ACA / ACCA / CIMA qualified
• Proven Systems Accountant / finance systems implementation experience
• Insurance experience essential, ideally MGA, Lloyd’s/London Market or broking
• Strong GL, reconciliation and chart of accounts knowledge
• Advanced Excel skills
• Sage Intacct / Diesta / Azur experience advantageous

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