Interim Systems Accountant

Wade Macdonald; City Of London; Hybrid; GBP 83,000 - 148,000; Full time

Job summary

Wade Macdonald is seeking an interim Systems Accountant to support a high-profile SAP migration in Central London. The role is a 6-month contract, outside IR35, with hybrid working (3 days onsite) and a focus on data integrity, accurate reporting, and a smooth go-live.

You will bridge finance, IT and operations, reconciling outputs, mapping data flows, and ensuring SAP data feeds into Power BI for P&L and balance sheet reporting.

Qualifications

• Qualified accountant with systems, data and financial reporting experience.
• Experience in ERP migration or finance transformation projects.
• Hands-on with Snowflake, Power BI andMicrosoft Fabric.
• Knowledge of Bronze, Silver and Gold data architecture.
• Strong data flow mapping and reconciliation capabilities.

Responsibilities

• Reconcile system outputs to ensure accuracy of financial data.
• Support data transition from operational system into SAP.
• Identify and resolve missing or incomplete data.
• Map and validate data flows across systems and identify gaps.
• Ensure SAP outputs feed into Power BI for P&L and balance sheet.
• Troubleshoot data reconciliation and reporting discrepancies.
• Establish robust financial reporting processes around go-live.

Skills

Data reconciliation

Data mapping

Data quality

ERP migration

Systems accounting

Finance transformation

Education

ACA/ACCA/CIMA qualification

Tools

Snowflake

Power BI

Microsoft Fabric

Job description

Interim Systems Accountant - SAP Migration

6-Month Contract | Outside IR35 | Central London | Hybrid (3 Days Onsite)

We are working with a client in the final stages of a major SAP implementation. With the project scope recently reduced and go-live just 10 weeks away, they require an experienced Interim Systems Accountant to ensure financial data integrity, accurate reporting and a successful transition.

This is a hands-on assignment requiring someone who can bridge the gap between finance, systems and data.

The Role

Working closely with Finance, IT and operational teams, you will:

• Reconcile system outputs to ensure the accuracy and completeness of financial data.
• Support the transition and integration of data from the operational system into SAP.
• Identify, investigate and resolve missing or incomplete data.
• Map and validate data flows across systems, identifying gaps and opportunities for improvement.
• Ensure SAP outputs feed accurately into Power BI for P&L and balance sheet reporting.
• Troubleshoot reconciliation issues, data inconsistencies and reporting discrepancies.
• Help establish robust, reliable financial reporting processes ahead of and following go-live.

About You

We are looking for a qualified accountant (ACA, ACCA or CIMA) with strong systems, data and financial reporting experience.

You will bring:

• Proven experience in systems accounting, finance transformation or ERP migration projects.
• Hands-on experience with Snowflake, Microsoft Fabric or Power BI.
• Strong data flow mapping and reconciliation experience.
• A good understanding of Bronze, Silver and Gold data architecture.
• The ability to identify data quality issues and implement practical solutions.
• Strong knowledge of P&L, balance sheet and financial reporting processes.
• A proactive, solutions-focused approach and the ability to deliver within tight deadlines.

SAP implementation experience would be advantageous but is not essential.

The Assignment

• Duration: 6 months
• Location: Central London - 3 days onsite per week
• Day Rate: Competitive - Outside IR35
• Start: ASAP

This is an opportunity to play a key role in a business-critical systems transformation, ensuring the integrity of financial data and reporting as the business moves into SAP.