Senior Finance Systems Manager

SystemsAccountants; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading London law firm is seeking an experienced Finance Systems Senior Manager to lead the support and optimisation of their practice management system. This key leadership role involves managing teams, ensuring data integrity, and driving continuous improvement across finance technologies. The ideal candidate will have a strong background in finance systems, excellent communication skills, and the ability to influence strategy. A degree and accounting training are preferred. Competitive salary with opportunities for growth in a dynamic environment.

Qualifications

• Degree educated or equivalent.
• Strong background working with senior stakeholders within complex environments.
• Significant experience with finance systems.
• Demonstrable experience managing high‑performing teams.

Responsibilities

• Lead and manage Finance Systems Support and Systems Accountant teams.
• Oversee integrity and performance of core finance systems.
• Act as the key point of contact between Finance and IT.
• Drive functional enhancements and system upgrades.
• Deliver ongoing training and guidance to stakeholders.

Skills

Strong interpersonal and communication skills

Excellent technical and business acumen

Significant experience working with finance systems

Proven track record in delivering measurable process improvements

Ability to influence strategic direction

Education

Degree educated (or equivalent)

Accounting training or qualification

Tools

Knowledge of legal finance platforms such as 3E

Job description

We are working with a leading London law firm to source an experienced Finance Systems Senior Manager to lead the support, optimisation, and ongoing development of the organisation’s practice management system. This is a key leadership role responsible for ensuring data integrity, enhancing system capabilities, overseeing system accountants and support teams, and driving continuous improvement across a wide portfolio of finance technologies.

You will act as the primary liaison between Finance and IT for all finance systems, playing a pivotal role in system strategy, incident management, and the delivery of best‑practice solutions. This position also provides the opportunity to shape future roadmaps, contribute to transformation projects, and lead a high‑performing team.

Key Responsibilities

• Lead and manage Finance Systems Support and Systems Accountant teams, ensuring high‑quality service delivery and continuous improvement.
• Oversee the integrity, performance and configuration of core finance systems.
• Act as the key point of contact between Finance and IT, managing escalations, major incidents and system‑related communications.
• Drive functional enhancements, system upgrades, and the introduction of new technologies or replacement solutions.
• Provide strategic leadership, coaching and development for team members, fostering innovation and best practice.
• Own and manage additional finance‑related systems (e.g. expenses, time recording, workflow tools, eBilling).
• Manage vendor relationships and represent the finance function in cross‑department initiatives.
• Deliver ongoing training and guidance to stakeholders and end‑users, ensuring adoption and effective use of systems.
• Build strong relationships with stakeholders at all levels to gather feedback and shape system roadmaps.
• Contribute to finance and IT controls audits, ensuring compliance and robust governance.

About You

• Degree educated (or equivalent).
• Accounting training or qualification is advantageous.
• Strong background working with senior stakeholders within complex, international environments.
• Excellent technical and business acumen with the ability to influence strategic direction.
• Significant experience working with finance systems; knowledge of legal finance platforms such as 3E is highly desirable.
• Demonstrable experience managing high‑performing teams.
• Strong interpersonal and communication skills, able to work effectively across all levels.
• Proven track record in delivering measurable process improvements and supporting continuous change.