MAIN PURPOSE OF ROLE

Cornerstone is the UK’s leading mobile and digital infrastructure provider, managing over 15,700 sites and holding 35% of the market. Our Mission is to be famous for excellence in delivery, embracing transformation with our people and our customers at its heart. The Head of Business Change leads the Enterprise PMO, project delivery, business analysis, testing, and continuous improvement capabilities. The role exists to ensure all IT and business change is delivered to time, cost, and quality—building a mature, repeatable delivery function that enables Cornerstone's multi‑year transformation and supports all four corporate pillars.

KEY ROLES AND RESPONSIBILITIES

SCOPE

This role leads the full change delivery lifecycle across Cornerstone, overseeing the enterprise project portfolio, prioritisation processes, governance standards, and delivery methodologies. It manages the PMO, Business Analysis, Testing, and Continuous Impr...