Technical Program Manager

Technical Program Manager Location: Coventry - Hybrid – 2 days per week onsite Start Day: ASAP Contract Rate: £460 per day inside IR35 Duration: 6 to 12 months initially Role Overview Our client is seeking a Technical Program Manager to lead a high‑profile mainframe modernisation programme within a major retail supply chain and logistics environment. This role will drive the transformation of business‑critical legacy platforms supporting warehouse, distribution, inventory, and fulfilment operations, ensuring minimal disruption during peak retail trading cycles. Key Responsibilities * Lead end‑to‑end delivery of a large-scale mainframe modernisation programme * Define programme roadmap, milestones, and delivery strategy * Work closely with senior business, supply chain, platform, and engineering teams * Partner with architects to shape modern, scalable target-state architectures * Drive migration, re‑platforming, or decommissioning of legacy mainframe systems * Own transition of systems supporting replenishment, inventory, DC operations, and order fulfilment * Manage vendors, system integrators, and cross‑functional delivery teams * Proactively manage risks, dependencies, and mitigations * Track KPIs and provide executive-level programme reporting * Ensure governance, quality, security, and compliance standards are met * Lead change management and continuous improvement initiatives Skills & Experience Essential: * Proven experience delivering mainframe modernisation or legacy transformation programmes * Strong retail supply chain and logistics domain knowledge * Hands-on or working knowledge of Warehouse Management Systems (WMS) * Understanding of omnichannel fulfilment models (store, DC, click & collect, ship‑from‑store) * Experience managing large, multi-vendor, distributed teams * Agile delivery experience with excellent stakeholder engagement skills Desirable: * Large-scale transformation leadership experience * Cloud exposure (Azure and/or AWS) * Programme governance, budgeting, and risk management expertise * Warehouse operations experience * SAFe, PMP, or Agile certifications If you have the relevant skills and experience, please do apply promptly to be considered