Finance Business Systems Manager

Permanent, full-time

Warwick, hybrid

C£70,000

National Gas is securing Britain’s energy.  We are responsible for transporting gas to power stations, major industries, storage facilities, and more than half a million businesses and 24 million homes through nearly 5,000 miles of pipes across Britain. National Gas is also proud to lead the way in transforming the energy network for a clean energy future.

The Finance Business Systems Manager is accountable for the strategic oversight, design and operational management of finance support systems function.  Responsible for safeguarding process, design, and controls in line with external and internal audit controls, company policies, accounting standards and DoA, maintaining a strong financial control environment. Partnering cross-functionally to drive commercial support, leading a high-performing team, and delivering continuous improvement across finance systems and stakeholder engagement.

Join us, and help be the energy behind the change.

Key accountabilities:

• Ultimate owner for all finance systems, design, build and delivery of finance systems to enable business processes to operate efficiently, whilst ensuring compliance with controls, regulation and audit.

• Acts as the senior escalation point for complex systems issues and design, providing strategic guidance on resolution and leading sensitive discussions involving design requirements, build design and day to day operational compliance and efficiency.  Supports relationship management with key stakeholders to maintain trust and integrity in the systems and the processes they support

• Accountable for team Customer Satisfaction (CSAT) performance, ensuring service excellence and directly contributing to the achievement of core business KPI through continuous improvement and customer-centric leadership

• Maintain a high level of commercial and regulatory awareness, ensuring alignment with evolving legislation, industry practices, accounting standards, and internal policy changes. Ensuring the systems are adapted to support and deliver these requirements

• Champion continuous improvement initiatives, driving operational excellence and collaborating cross-functionally to optimise end-to-end processes and enhance efficiency.

• Accountable for successful system implementations and incident resolution, ensuring business continuity through robust issue tracking, root cause analysis, and timely escalation with internal IT and external service providers. Drives system integrity and process alignment to protect revenue and enhance operational resilience.  Project management of design, implementation and testing

• Accountable for the successful system design in line with business requirements and outcomes, ensuring technical specification and delivery by the team for the business

• Lead change management activities, ensuring successful transitions from project delivery to business-as-usual operations, embedding new processes and systems.

• Drive strategic and operational projects, providing analytical and executional support for business initiatives, performance management, and issue resolution

• Ensure controls are operated and appropriate, through liaison with and reporting to internal and external audit

• Ensure consistent and compliant change design through Liasson with IT, developers, project managers and technical delivery

• Ensure a holistic delivery of efficient and effective operational tools through strategic journeys for multiple systems

About you:

• Fully qualified accountant (CIMA, ACCA, ACA, CA or MAAT) or qualified by substantial experience , with up-to-date technical and process knowledge.

• Proven Project Management credentials (PMI, APM, or Prince 2) or qualified by substantial experience

• Experience with large ERP solutions (preferably SAP and Coupa)

• Proven experience in senior finance systems management roles within larger and complex organisations (utilities would be preferable) that operate under robust compliance, governance, and financial control frameworks.

• Strong technical knowledge of accounting standards and financial processes, particularly relating to revenue recognition, cashflow management, and trade receivables, payables and supply chain

• Exceptional communication and influencing skills, with the ability to engage, challenge, and build credibility across all levels of the organisation, including executive stakeholders.

• Demonstrated ability to identify and manage key stakeholders, driving alignment and consensus in cross-functional and strategic initiatives.

• Track record of building effective partnerships across finance and non-finance functions, contributing to broader business objectives.

• Experienced leader of high-performing teams, with a focus on mentoring, talent development, and fostering a culture of accountability and continuous improvement.

• Strong analytical and critical thinking skills, with the ability to translate complex data into actionable insight and make informed, strategic decisions.

• In-depth knowledge of project management, and design and build practices, including credit risk assessment, collections strategies, and end-to-end credit control processes.

• Comprehensive understanding of security instruments and contractual credit terms, including letters of credit, guarantees, and other collateral mechanisms.

• Broad knowledge of contract and account management frameworks, with a focus on driving commercial value and mitigating risk.

• Experience in designing, implementing, and monitoring business and IT controls, ensuring a resilient control environment that meets audit and regulatory standards

What we can offer you:

• Salary c£70,000 dependent on experience
• Performance bonus of up to 15% pa
• 36 days’ holiday (inc. statutory holidays) – and option to buy/sell 5 additional days
• Generous double-match pension scheme - for every £1 you put in, we add £2
• Opt-In flexible benefit scheme, including salary sacrifice car, private healthcare, dental insurance, technology plans and more
• Financial protection with 10x salary death in service and financial support if you're unable to work due to long term illness
• Excellent family-friendly provisions
• Financial support to cover the cost of relevant professional membership subscriptions

Other 'nice to knows':

• Hybrid working
• Free gym and free parking onsite at our Warwick office
• Canteen and coffee shop onsite.

About us:

Gas provides the energy security to support renewable electricity generation, and we are developing our infrastructure to transport hydrogen and carbon dioxide across the country. We are Britain’s national gas network, providing secure energy to power the country, achieve net zero and maintain our industrial competitiveness.

At National Gas, we’re committed to building a workforce that reflects the communities that we serve. We celebrate the different experiences our colleagues bring and encourage applicants of all backgrounds to apply. To that end we want to support you during the interview process, please advise your recruitment partner if you require any reasonable adjustments.

#LI-PT1 #LI-Hybrid

Further information:

Advert close: 21st June 2026

We reserve the right to close the advert early if we receive sufficient and relevant applications, therefore please apply at your soonest convenience

Interviews: mid-late June 2026