Senior Systems Accountant

c£55,000 + bens

Permanent, full time

Warwick based with hybrid working

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 SAP Systems Accountant will provide expert capability in the development, integrity and optimisation of SAP s/4Hana financial systems, ensuring the system continues to perform efficiently and reliably, meeting financial and regulatory reporting standards.  You’ll be a senior subject-matter expert, partnering closely with Finance, IT, Procurement, and operational teams to ensure the system fully supports robust financial processes, statutory compliance, digital transformation, and strategic decision-making.

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

Key accountabilities:

• Act as the senior functional lead for SAP Finance modules and integrations.
• Own critical system controls, master data governance, and the integrity of all finance modules.
• Oversee system performance, complex issue resolution, and escalations to IT or external partners.
• Lead on design, enhancement, and optimisation of end‑to‑end finance processes.
• Champion automation initiatives and digital tools that streamline operations.
• Lead major system improvements, including workflow redesign, S/4HANA enhancement packs, and cross-functional process changes.
• Lead for finance on large‑scale projects (e.g., S/4HANA upgrades, integrations, module rollouts).
• Develop business cases, gather requirements, create functional specifications, and manage testing cycles.
• Ensure change control standards and documentation are fully adhered to.
• Support the delivery of advanced SAP reporting and analytics using Fiori, embedded analytics, or SAP Analytics Cloud.
• Partner with Finance Business Partners to enhance insight and financial planning capabilities.
• Support data governance and the development of consistent KPI dashboards.
• Provide high-level support for complex user issues and escalations.
• Lead training programmes, produce high-quality guidance, and support capability building in the finance team.
• Build strong relationships across Finance, IT, Procurement, and strategic partners.
• Strengthen system financial controls, workflows, and audit trails.
• Ensure compliance with statutory, regulatory, and internal audit requirements.

About you:

• Strong experience in an SAP S/4HANA finance systems role, ideally post‑implementation.
• Deep understanding of financial processes (RTR, PTP, OTC).
• Proven experience in system changes and improvement projects.
• Strong analytical skills with the ability to interpret system behaviour and finance data.
• Excellent stakeholder management and communication skills.
• Ability to lead and influence at all levels.
• Professional accounting qualification (AAT/ACCA/CIMA).
• Experience of SAP Analytics Cloud, Fiori app configuration, or workflow design.
• Knowledge of automation tools (RPA, AI-enabled analytics, etc.)
• Works autonomously, advising senior leaders on system strategy.
• Leads major cross‑functional system initiatives.
• Represents Finance in organisation-wide digital transformation programmes.

What we can offer you:

• Salary c£55,000 dependant on experience
• Annual performance bonus,
• 34 days holiday (inc. statutory days) - plus option to buy/ sell 5 further days,
• Generous double-match pension - every £1 you put in, we add £2,
• Opt-In flexible benefit scheme, including salary sacrifice car plan, 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 or injury,
• Excellent family friendly provisions

Other 'nice to knows':

• Hybrid working
• Free gym and exercise classes onsite,
• Canteen and coffee shop onsite,
• Free parking

About us:

Gas is an essential part of a secure energy supply in Britain and will continue to play a vital role in the energy system for decades to come. More than ever, we need the security that gas brings to keep the lights on, businesses running, and homes warm. National Gas provides that security.

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 enough relevant applications - therefore please apply at your earliest convenience

Interviews: late June 2026