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Finance Business Partner - ESN

Job Req ID:  52470
Posting Date:  28 Oct 2025
Function:  Finance
Unit:  Business
Location: 

Assembly, Bristol, United Kingdom

Salary:  Competitive Salary + Great Benefits

Job Req ID: 52470

Function:ESN Finance

Location:Bristol or London 

Why this job matters

The Emergency Services Network (ESN) is a huge strategic priority for BT and our commitment to do the best for our customer and our country.  ESN will be one of the most advanced emergency services networks in the world and BT is proud to be the official supplier providing mission critical and trusted communications for Britain’s Emergency Services.

Growing coverage, enhancing performance and increasing resilience will be the most important elements of building this vital communications network, which the Emergency Services will rely on to save lives and protect us all.

The ESN will replace the existing Airwave network building upon EE’s existing 4G network to provide voice, data and critical communications services to 300,000 frontline emergency service users.

The ESN Finance team is crucial to supporting the delivery of this mission critical infrastructure, supporting the programme on a day-to-day basis, partnering with the programme to achieve the financial plans. Key stakeholders are sub-programmes (Delivery, Service and Commercial teams) and Home Office.

You will be required to undergo National Security Vetting to SC or NPPV level.

What you’ll be doing

  • Business partners with sub-programmes to provide financial insights to inform strategic decision making, owning sub-programme end to end financials.
  • Leads delivery of end-to-end financial planning and reporting processes for the sub-programme, providing input and insight to inform business partnering activities, decision making and performance management.
  • Establishes working relationships with stakeholders (programme delivery, commercial, networks and Home Office) and builds rapport to become a key trusted advisor, providing finance business partnering to various areas of the business.
  • Provides challenge and insight to programme to deliver within budget envelope.
  • Implements continuous improvement opportunities to enhance the efficiency and accuracy of financial processes.
  • Ensures all business partnering activities are carried out in compliance with, local legislative and regulatory requirements, considering risk and uncertainty in short-term decisions and ensures that risks are identified and managed.
  • Ensures timely and accurate billing to customer, including query and dispute resolution, where required.

The skills you’ll need

Accounting Principles
Business Partnering & Consulting
Forecasting, Planning & Budgeting
Financial & Data Analysis & Insight
Growth Mindset

What we would like to see on your CV

  • Be a qualified accountant (ACA/ACCA/CIMA or equivalent).
  • Experience managing multiple stakeholders and projects across matrix teams.
  • Strong financial planning and forecasting skills, especially for long-term projects up to seven years.
  • Experience in financial control, including monthly financial close processes and financial accounting knowledge, is important.
  • Advanced Excel skills focused on financial modelling are required, along with familiarity with SAP S/4 and preferably SAP RP1.
  • A background in telecoms or technology and experience working on CapEx-heavy projects or government contracts is advantageous.

Benefits

At BT, we entertain, educate, and empower millions of people every single day. We’re a brand built on connecting people – whether that’s friends, family, businesses, or communities. Working here, you’ll receive an attractive salary and a range of competitive benefits, but – more than that – you’ll be joining an ambitious organisation with a culture of togetherness, collaboration, and inclusivity, that takes a genuine and proactive interest in your progress and development.


•    10% on target annual bonus 
•    BT Pension scheme, minimum 5% employee contribution, BT contribution 10%
•    X4 Salary Life Assurance
•    Huge range of flexible benefits including Cycle to Work, Healthcare, Season Ticket Loan, Electric Vehicle Salary Sacrifice
•    25 days annual leave (not including bank holidays), increasing with service
•    From January 2025, equal family leave:  receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
•    Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
•    24/7 private virtual GP appointments for UK colleagues
•    2 weeks paid carer’s leave 
•    World-class training and development opportunities
•    Option to join BT Shares Saving schemes
•    Discounted broadband, mobile and TV package
•    Access to 100’s of retail discounts including the BT shop


Flexible Working
This role offers a 3 together, 2 wherever working model. This means you are required to be at your contractual location 3 days a week with 2 flexible days per week. 

With over 175 years of heritage, BT is now the flagship business brand of BT Group. We’ve brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.

We’re a global 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 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.

A FEW POINTS TO NOTE:

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.

DON'T MEET EVERY SINGLE REQUIREMENT?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best, so if you're excited about this role but your past experience doesn't align perfectly with every requirement on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.

 

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