VodafoneThree - Finance Manager – Cost Efficiency

We’re creating something special. We are joining forces to create the biggest mobile network provider in the UK. Through our collective strengths and talents, we will transform customers’ experience and create a best-in-class network for coverage, connectivity, and reliability, delivering greater value and more choice for the nation than ever before.

There are very few moments in our careers where we can feel the ground shifting beneath us, where we can sense that something bigger than we’ve known before is taking shape. We’re not just building a company. We’re going to build a culture, a legacy and a future to be proud of. This will require remarkable leadership and together we can set the standard in the industry and beyond for both customer and employee experience, in what it is a career-defining opportunity.

This role reports to the Head of Financial Planning & Analysis and is responsible for delivering and clearly communicating the cost performance of Vodafone Three across month end, forecasting, and budgeting. A key part of the role is connecting financial data with operational performance to support strategic decision‑making and maintain strong financial stewardship across the organisation.

The role will work collaboratively with both finance and non‑finance colleagues to build, review, and explain the cost plan and performance, including identifying risks and opportunities. It also involves supporting and guiding a wide range of stakeholders to ensure a shared understanding of performance drivers and cost‑related considerations.

Job Description 

• Prepare executive‑level reports, dashboards, and presentations with a focus on clear data storytelling and practical, actionable insights.
• Work collaboratively with cross‑functional leaders across financial, commercial, and operational teams to provide meaningful business insight and support informed decision‑making.
•  Support strategic initiatives through financial guidance, scenario planning, and sensitivity analysis.
• Oversee detailed analysis and commentary on the organisation’s cost performance and broader business trends across A&R, Opex, Intercompany, Capex, and Depreciation.
• Bring together financial and operational insights to strengthen the business’ understanding of overall performance, including helping to develop and embed key performance indicators linked to financial outcomes.
• Contribute to the development of models that project long‑term growth and highlight the factors influencing business performance.
• Proactively identify risks and opportunities and recommend practical actions that help optimise performance.
• Support adherence to internal controls and ensure compliance with IFRS standards.
• Review current processes and ways of working to identify opportunities for improvement, creating efficiencies and enhancing the quality of insights and analysis.
• Support, develop and coach a team of finance professionals, fostering an environment that encourages growth, collaboration and continuous learning.

What you'll do 

• Experience collaborating with and supporting director‑level stakeholders, with a focus on delivering a positive stakeholder experience and contributing to well‑informed decisions.
• • Demonstrated capability in strategic thinking, problem‑solving and project management.
• • Strong communication and presentation skills, with the ability to engage effectively with a wide range of stakeholders.
• • Solid financial acumen, business partnering experience and commercial awareness.
• • Proficient in financial modelling, forecasting and data analysis.
• • A growth mindset: committed to continuous learning, exploring new possibilities and contributing to collective and individual improvement.
• • Ability to guide and support others by creating alignment, encouraging collaboration and empowering teams to achieve shared goals.

Worried that you don’t meet all the desired criteria exactly?  

We know that everyone is unique, with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.

Need to know

We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulators standards.

We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please contact your recruiter directly or email jobs@three.co.uk for guidance.

We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine-tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.

During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.

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