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Posted 24 July, 2026

Senior Accounts Assistant needed ASAP

Reed
Newbury, ENG, GB Full Time

Job Description

Reed Accountancy are working with a growing SME in Newbury looking for a proactive and hands-on Senior Accounts Assistant to join them on a 3-month contract. The organisation is currently undergoing a significant finance systems project, implementing Sage 200 with a planned go-live date in October.

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Please note this role is full-time, 5 days in the office and you will need to be a driver to get to this location in Newbury.

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Working closely with the Finance Manager, you will play a key role in supporting the finance function through this transition, helping to ensure a smooth and successful migration from existing systems.

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Key Responsibilities

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  • Processing and entering supplier invoices into current ERP
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  • Supporting the Accounts Payable function during the Sage 200 go-live period.
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  • Consolidating and preparing financial data using Excel
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  • Assisting with the preparation of opening balances for the new system
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  • Producing job and project analysis reports.
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  • Performing balance sheet and other account reconciliations.
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  • Assisting with system testing and process improvements.
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  • Preparing and documenting finance processes and procedures for Sage 200.
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  • Providing general support to the Finance Manager throughout the implementation project.
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About You

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  • Previous experience within an Assistant Accountant, Senior Accounts Assistant or similar finance role.
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  • Strong Excel skills, including data manipulation and analysis. (VLOOKUPs and Pivot Tables)
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  • Experience with reconciliations and transactional finance processes.
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  • Comfortable working with large volumes of data and maintaining high levels of accuracy.
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  • Experience supporting finance system implementations or migrations would be highly advantageous.
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  • Sage 50 or 200 experience would be beneficial but is not essential.
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  • Available to start at short notice ideally on first week of August
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Apply ASAP if you are immediately available or on short-notice and this role aligns with your interests/experience!