Finance Systems Implementation Accountant (ACA)

Police Federation of England and Wales; United Kingdom; À distance; GBP 92 000 - 129 000; Temps partiel

Résumé du poste

The Police Federation of England and Wales is seeking an ACA-qualified accountant to lead the finance system implementation. You will work across finance, IT and the implementation partner to configure, test, migrate data and train users for the go-live of the new system.

With extensive experience in Microsoft Dynamics 365 Business Central and NAV, you will help embed robust processes and controls while delivering hands-on support through the 4–6 month project. HQ Leatherhead, on-site role.

Qualifications

• ACA qualified with post-qualification experience in finance functions.
• Extensive experience delivering accounting system implementations.

Responsabilités

• Act as a key member of the finance system implementation team.
• Collaborate with the finance, IT and implementation partner to deliver the project plan.
• Review configuration to align with finance requirements.
• Support finance leadership with SME input during implementation.
• Assist issue resolution and decision-making during the project.
• Lead data cleansing and migration for financial data.
• Validate COA, supplier/customer records, fixed assets and budgets.
• Develop and execute UAT plans and scripts.
• Coordinate finance user testing activities and track defects.
• Support go-live and stabilisation activities post-implementation.
• Ensure robust reporting and financial controls within the new system.

Connaissances

D365 Business Central

Dynamics NAV

General Ledger

Accounts Payable

Accounts Receivable

Fixed Assets

Budgeting & Forecasting

Financial Reporting

Excel

UAT experience

Stakeholder management

Formation

ACA qualified accountant

Description du poste

Finance Systems Implementation Accountant (ACA)

Application Deadline: 15 November 2026

Department: Finance

Employment Type: Contract / Temp

Location: HQ - Leatherhead

Reporting To: Financial Controller

Description

We are seeking an experienced ACA-qualified accountant to join the finance team and support the implementation of a new finance system. The successful candidate will have extensive experience of accounting system implementations, with particular expertise in both Microsoft Dynamics 365 Business Central and Microsoft Dynamics NAV.
Joining at the implementation stage of the project, the role will work closely with the Finance Team, implementation partner, IT team and key business stakeholders to ensure successful configuration, testing, data migration, training, and go-live activities. The individual will provide hands on support throughout the project and help embed new processes and controls within the organisation.
This is an approximately 4 to 6 month contract, as a Contractor on a daily rate.

Key Responsibilities

System Implementation Support

• Act as a key member of the finance system implementation team.
• Work closely with the current finance team, the IT team and implementation partner to support delivery of the project plan.
• Review system configuration to ensure alignment with finance requirements.
• Support finance leadership and provide subject matter expertise throughout the implementation phase.
• Support issue resolution and decision making during implementation.

Data Migration and Validation

• Lead and support data cleansing for static data
• Support the migration of financial data from Dynamics Nav.
• Validate chart of accounts, supplier records, customer records, fixed assets, budgets, and historic transaction data.
• Perform reconciliation and validation checks to ensure data completeness and accuracy.
• Identify and resolve data issues before go live.

User Acceptance Testing (UAT)

• Develop and execute comprehensive test plans and test scripts.
• Coordinate finance user testing activities.
• Record, track, and manage testing defects.
• Work with implementation consultants to resolve testing issues.
• Support formal sign-off processes.

Finance Process Enhancement

• Review finance processes and recommend improvements where appropriate.
• Ensure financial controls are maintained and enhanced within the new system.
• Support the design of efficient month end, reporting, budgeting, and transaction processing workflows.

Training and Go-Live Support

• Develop finance process documentation and user guides.
• Deliver training and knowledge transfer to finance users.
• Provide support during system go live and post implementation stabilisation activities.
• Assist with embedding best practice processes within the finance function.

Reporting and Controls

• Validate management reports and financial reporting outputs.
• Ensure reporting requirements are fully met within the new system.
• Support finance operations during implementation while maintaining business continuity.

Skills, Knowledge and Expertise

Essential Qualifications

• ACA qualified accountant.
• Strong post-qualification experience within finance functions.

Essential Experience

• Significant experience supporting and delivering accounting system implementations.
• Proven hands on experience implementing Microsoft Dynamics 365 Business Central.
• Proven hands on experience implementing Microsoft Dynamics NAV.
• Strong understanding of:
  • General Ledger
  • Accounts Payable
  • Accounts Receivable
  • Fixed Assets
  • Budgeting and Forecasting
  • Financial Reporting
• Experience of data migration, reconciliation, and data validation.
• Extensive User Acceptance Testing (UAT) experience.
• Strong Excel skills.
• Ability to work effectively with finance users, software vendors, and implementation consultants.
• Excellent problem-solving and stakeholder management skills.