IT Project Manager - Billing

Overview

We are delivering a major Billing Transformation Programme, introducing a new enterprise billing platform to replace our existing system. We must also support and maintain the current platform, ensuring continuity and accuracy while managing complex, business‑critical data, processes and structures. This offers a unique opportunity to protect and evolve our billing capability while transitioning to a modern, future‑ready solution.

Southampton (Hybrid)

2 year full‑time contract with possible extension

• Lead the delivery of integration and migration work streams within the Billing Transformation Programme.
• Develop and manage detailed workstream plans, including milestones, dependencies and critical path activities.
• Ensure delivery aligns with the overall programme timeline and sequencing.
• Coordinate system integration activities across legacy systems, terminal operating systems and the new billing platform.
• Oversee data migration planning, execution and validation, ensuring data integrity and completeness.
• Track progress against plans, proactively identifying risks, issues and dependencies.
• Provide clear status reporting and updates to the Programme Manager, ensuring visibility of delivery progress.
• Ensure timely escalation of blockers impacting delivery.
• Coordinate activities across IT, QA, Finance, Commercial and Operations teams to ensure aligned delivery.
• Facilitate workshops and working sessions to resolve integration and migration challenges.
• Support planning and coordination of system integration testing (SIT) and UAT activities.
• Ensure defects and issues are tracked, prioritised and resolved effectively.
• Support cutover planning and ensure readiness for go‑live.
• Contribute to continuous improvement of delivery processes, tools and programme execution practices.

• Proven experience delivering IT projects, system implementations or data migration initiatives.
• Strong experience managing integration‑heavy or technically complex work streams.
• Excellent planning, coordination and delivery management capabilities.
• Experience working across cross‑functional teams, including both technical and business stakeholders.
• Familiarity with testing processes (SIT/UAT), data migration and system rollouts.
• Strong problem‑solving skills with the ability to manage risks and dependencies effectively.
• Highly organised, structured and detail‑oriented approach to delivery.
• Ability to manage multiple priorities in fast‑paced, complex environments.
• Strong communication and stakeholder management skills.
• Resilience and adaptability when working across changing priorities and delivery pressures.

We offer a market competitive compensation package.