Senior Finance Systems Analyst (D365 F&O)

Cactus Search; Southampton; On-site; GBP 65,000 - 90,000; Full time

Job summary

Cactus Search is seeking a Senior Finance Systems Analyst to optimize our Microsoft Dynamics 365 Finance & Operations setup. You will bridge Finance, IT, and the business to ensure data integrity, robust reporting, and efficient processes.

You will act as the subject matter expert for D365 F&O, support day-to-day operations, and lead enhancements with cross-functional partners. Strong analytical skills and Power BI expertise are essential.

Qualifications

• Accounting or finance background.
• 5+ years of experience implementing or supporting D365 F&O (Finance & Supply Chain).
• D365 F&O certifications (preferred).
• Strong analytical and problem-solving skills.
• Advanced Excel skills and experience with Power BI/Power Query.
• Relational databases (MS SQL) knowledge.

Responsibilities

• Act as the SME for D365 F&O within the finance function.
• Support day-to-day system operations, including issue resolution and configuration management.
• Partner with Finance to identify and implement system and process improvements.
• Lead or support system enhancements, module implementations, and third-party integrations.
• Gather and document business requirements, translating them into practical system solutions.
• Manage system testing, UAT, and change control processes.
• Support users through training, documentation, and knowledge sharing.

Skills

Analytical skills

Problem solving

Strong communication

Tools

D365 F&O

Power BI

Power Query

MS SQL

Excel

Job description

Hiring: Senior Finance Systems Analyst (D365 F&O)

We’re looking for a Senior Finance Systems Analyst to play a key role in supporting and continuously improving our finance system, Microsoft Dynamics 365 Finance & Operations. This role sits at the intersection of Finance, IT, and the wider business, ensuring the system supports business needs, drives efficiency, maintains data integrity, and enables strong reporting.

What you’ll be doing

• Act as the subject matter expert for D365 F&O within the finance function
• Support day-to-day system operations, including issue resolution and configuration management
• Partner with Finance to identify and implement system and process improvements
• Lead or support system enhancements, module implementations, and third-party integrations
• Gather and document business requirements, translating them into practical system solutions
• Manage system testing, UAT, and change control processes
• Support users through training, documentation, and knowledge sharing

What we’re looking for

• Accounting or finance background
• 5+ years’ experience implementing or supporting D365 F&O (Finance & Supply Chain)
• Microsoft D365 F&O certifications (preferred)
• Strong analytical and problem-solving skills
• Advanced Excel skills and experience with Power BI / Power Query
• Solid understanding of relational databases (MS SQL)

What success looks like in this role

• Clear, well-prioritised requirements gathered across the finance function
• Measurable efficiency improvements through automation, system optimisation, or better processes
• Strong communication — able to explain complex financial and system concepts clearly
• Effective collaboration between finance users, IT, and external vendors
• Positive feedback from stakeholders on system usability and adoption
• Ongoing learning and continuous improvement mindset

Role details

• Authority to design, recommend, and implement system configuration changes within governance
• Direct engagement with vendors and IT support teams
• No budget responsibility
• No direct reports
• Works under the strategic direction of the Finance Systems Manager