Interim Finance System Implementation Project Manager

Are you an experienced professional with a proven track record of leading finance system implementations? Do you enjoy working across multiple business functions to deliver lasting organisational change? Are you looking for an opportunity where you can lead a high-profile transformation programme from inception through to delivery?

A well-established organisation is seeking a Finance System Implementation Lead to join the team on an initial 9-month contract. This is an exciting opportunity to lead the implementation of a new finance system that will strengthen financial processes and support the organisation’s future growth.

Please note, applicants must meet all three of the following requirements to be considered:

• You must have previous experience working within the charity or not-for-profit sector.
• You must be able to commute to Buckinghamshire 2–3 days per week.
• You must be comfortable with the rate advertised for this role.

The key responsibilities of the Finance System Implementation Lead are:

• Leading the end-to-end implementation of a new finance system, taking ownership from project planning through to go-live and post-implementation support.
• Developing and managing detailed project plans, timelines, risk registers and governance documentation to ensure successful delivery.
• Working closely with finance and operational teams to understand business requirements and translate these into effective system solutions.
• Coordinating multiple internal stakeholders and third-party implementation partners throughout the implementation lifecycle.
• Overseeing data migration, system configuration, testing and user acceptance activities to ensure the new solution meets business requirements.
• Ensuring the finance system supports financial reporting, budgeting, project and grant management, billing processes and wider organisational needs.
• Leading change management activities, including user training, communications and the successful adoption of new processes.
• Providing regular progress updates to senior leadership, proactively managing project risks and resolving issues as they arise.
• Identifying opportunities to improve finance processes and maximise the long-term benefits of the new system.

The successful candidate will have:

• Previous experience working within the charity or not-for-profit sector. This is essential and candidates without this experience will not be considered.
• A proven track record of successfully leading finance system implementations from inception through to delivery.
• Strong knowledge of finance processes, including financial reporting, budgeting and transactional finance.
• Experience delivering complex transformation projects involving multiple departments and stakeholder groups.
• Excellent stakeholder management and communication skills, with the confidence to engage and influence senior leaders and external suppliers.
• Strong project governance experience, including planning, risk management and project reporting.
• A proactive, organised and solutions-focused approach, with the ability to manage competing priorities and deliver results.
• The ability to work on-site in Buckinghamshire 2–3 days per week throughout the contract.
• Full acceptance of the advertised rate.

This is an excellent opportunity to take ownership of a significant finance transformation programme within the not-for-profit sector, leading a business-critical system implementation from inception through to successful delivery.

Please only apply if you have previous charity or not-for-profit sector experience, can commute to Buckinghamshire 2–3 days per week and are happy with the advertised rate.