Finance Business Systems Manager

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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.

• 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 liaison with IT, developers, project managers and technical delivery.
• Ensure a holistic delivery of efficient and effective operational tools through strategic journeys for multiple systems.

• 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…