Finance Analyst - Operations & Capex

Vision:
To be the UK's leading digital infrastructure partner, enabling a fully connected future. Mission:
Deliver reliable, high quality site access, infrastructure and services that support our customers' evolving connectivity needs.

For almost two decades, Cornerstone's infrastructure has quietly supported the UK's mobile networks. Whilst we continue to strengthen that foundation and extend its reach, we're in an exciting period of acceleration and transformation that will see us enable more connectivity and compute to more communities and industries across the UK.

To support the delivery of accurate, timely and reliable financial reporting across Network Operations, ICSS and Additional Services, ensuring financial information is robust, well-controlled and supports informed business decision‑making.

This is a varied and commercially focused finance role that combines financial accounting, reporting, analysis and stakeholder engagement. Working closely with Finance Business Partners and operational teams, you'll play a key role in month‑end activities, revenue accounting, forecasting support and balance sheet management, helping to ensure Cornerstone maintains strong financial discipline while enabling business performance.

This is an important role within the Finance team, providing the financial insight and reporting that supports effective decision‑making across the business. Accurate financial reporting is critical to understanding performance, identifying risks and opportunities, and ensuring the business can continue to invest in the infrastructure that enables connectivity across the UK. This role will help drive confidence in financial results through robust accounting practices, strong controls and meaningful analysis.

It's an opportunity to build broad finance experience, work closely with key stakeholders across the organisation and contribute to a business that is undergoing significant growth and transformation.

• Deliver accurate and timely month‑end accounting activities across Network Operations, ICSS and Additional Services.
• Prepare and post journals for accruals, prepayments, income and expenditure, ensuring compliance with accounting standards and internal controls.
• Manage additional services revenue calculations, invoicing activities and customer billing queries.
• Produce monthly financial reporting and performance analysis, including month‑on‑month and year‑to‑date commentary.
• Complete balance sheet reconciliations, ensuring accuracy, integrity and compliance with accounting policies.
• Partner with Finance Business Partners to understand in‑month activities, supporting accurate reporting and informed financial decision‑making.
• Support forecasting activities by providing financial insight, challenge and analysis to help improve forecast accuracy.
• Identify financial risks and opportunities by analysing operational cost drivers and business performance trends.
• Support finance system enhancements and process improvement initiatives, helping to drive efficiency and continuous improvement.
• Assist with internal and external audit requirements, providing appropriate documentation and financial support where required.

You’ll bring strong financial accounting knowledge and a genuine interest in understanding how financial performance supports wider business objectives. Comfortable working with data, reporting deadlines and multiple stakeholders, you’ll be someone who enjoys bringing accuracy, insight and structure to complex financial information.

You’ll be confident working both independently and collaboratively, able to manage competing priorities while maintaining a high level of attention to detail. With strong analytical skills and a proactive mindset, you’ll not only produce accurate reporting but also help identify opportunities to improve processes and strengthen financial performance.

• Part‑qualified or qualified CIMA / ACCA status, or equivalent finance experience
• Experience with in a financial accounting or management accounting environment
• Strong analytical and problem‑solving capabilities
• Experience producing financial…