Finance Manager - GSS

This role can be based in Birmingham, Bristol, London or Manchester.

Closing Date: Friday 7th August 2026

About the role

Reporting to the Finance Business Partner, you’ll be the trusted partner to the operational teams of critical programs within BT Business Finance.

The role holder will have a broad range of finance responsibilities, from forecasting and reporting to pricing change controls and new business, Revenue and debt responsibilities and external reporting with customer engagement. The role holder will also have the opportunity to work closely with the wider Business finance teams.

What you’ll be doing

• Commercial Business Partnering — Own end‑to‑end P&L across multiple contracts, leading senior‑level stakeholder relationships (GSS SLT and direct reports).
• Month‑End Ownership — Lead consolidation, reporting and balance‑sheet control, ensuring accuracy, compliance and timely delivery.
• Financial Planning — Manage budgets and forecasts, driving robust cost control, risk management and identification of growth opportunities. Challenge and validate all business inputs.
• Management Reporting — Produce clear, insight‑driven reporting for business partners and Finance, covering performance vs budget, planning updates, risks and compliance actions.
• Accounting Standards — Maintain up‑to‑date knowledge of relevant accounting principles and apply them consistently.
• Financial Assurance — Establish and operate contract‑specific accounting policies and controls aligned to BT standards. Lead interactions with internal and external audit.
• Customer Finance Lead — Act as the primary finance contact for customers, managing open‑book accounting and evidencing spend and billing.
• Commercial Finance — Lead pricing and financial evaluation of contract growth opportunities, ensuring proposals meet required returns and challenging assumptions where needed.
• Cross‑Functional Collaboration — Partner closely with sales and contract management teams to drive commercial performance and support strategic decision‑making.

Essential Skills / Experience

• Qualified or working towards CIMA, ACCA, ACA or equivalent qualification
• Experience of developing and maintaining strong relationships with internal customers and wider finance team
• Experience of accounting standards
• Ability to explain the financial story in a simple business manner, suited to the internal and external audience
• Ability to identify key trends and analyse information
• Experience of owning month end deliverables end to end
• Security Clearance: The successful applicant will be a UK national and will be required to undergo security clearance checks

Desirable Skills / Experience

• Experience working with internal and external audit
• Experience of Open Book reporting

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life.

You can design the package to suit you and your lifestyle. Your core benefits include:

• 10% on target annual bonus
• Access to an online private GP 24/7 for you and your immediate family
• Market-leading paid carers leave with up to 2 weeks off
• Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.

With over 180 years of heritage, BT Business has brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers in the UK

We’re a leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We are Customer-First Challengers, who are Committed, Clear and Connected. We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.