Drake Darcy | Horton International - UK
Project Manager
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Interim Systems Accountant – D365 Development Project
Rapidly-Expanding, PE-Backed Services Group
Location: Essex (3-4 days per week in the office)
Duration: 6-12 months
Rate: £600-700 per day, Outside IR35
A rapidly-expanding, PE-backed services group is looking for an interim Systems Accountant to lead a project to develop its use of D365 and improve the speed, accuracy, and control of its finance function. Reporting to the Group Finance Director, you will take ownership of D365 as the core finance platform and be the person who makes it work properly as the group continues to grow.
This is a hands-on, technically minded finance role. You will shape how the system is configured, how the month-end runs, and how the finance team uses it every day, and you will leave the business with a more robust, better-controlled platform.
What you'll be doing
D365 ownership and optimisation
- Reviewing and improving the finance configuration in D365: chart of accounts, financial dimensions, posting logic, ledger setup, workflows, approval hierarchies, fixed assets, and tax
- Acting as the first point of contact between Finance and IT or external support
- Fixing pain points in revenue recognition, WIP and project tracking, capex coding, and intercompany postings and reconciliations
- Setting up new entities, cost centres, and revenue streams correctly, and improving data integrity at source
- Investigating why sub-ledgers and feeder systems don't agree to the GL, and fixing the mechanism rather than just the entry
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Month end and process efficiency
- Mapping the close process end to end and removing bottlenecks and manual workarounds
- Automating journals, accruals, prepayments, and reconciliations, including bank reconciliations, to reduce manual journals
- Standardising processes across divisions and entities
Financial control
- Embedding system-based controls, user roles, segregation of duties, and a refreshed delegation of authority
- Keeping the audit trail clean and supporting internal and external audit with system-based evidence
Reporting and data integrity
- Building and maintaining management reporting in D365, Power BI, and Excel, and moving month-end reporting out of manipulated spreadsheet downloads and into the system
- Owning consistency between the trial balance, management accounts, and KPI reporting
- Reviewing the current Power BI reporting layer to make sure it is fit for purpose
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Project delivery and training
- Leading finance system projects, from new modules and process redesign to integration development, and building a prioritised systems roadmap
- Testing and signing off D365 releases, leading UAT, and playing a lead role in upgrades and new-company rollouts
- Training finance and operational users on correct coding, and driving a "right first time" approach to data entry, including PO accuracy
About you
- Qualified or part-qualified accountant (ACA / ACCA / CIMA), or equivalent experience, with strong month-end and financial control knowledge
- Proven hands-on experience configuring and supporting D365 Finance & Operations or a comparable ERP
- Experience delivering finance system development projects, ideally in a PE-backed or fast-growth environment
- Experience reconciling sub-ledgers to the GL and resolving integration issues between systems
- Confident building reports in Power BI, Excel, and D365's native tools
- A clear communicator who can explain system and data issues to non-technical colleagues and change behaviour
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