Technical Programme Plan Manager

Welcome to Haleon. We’re a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we’ve grown, evolved and are now entering an exciting new chapter – one filled with bold ambitions and enormous opportunity. Our trusted portfolio of brands – including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® – lead in resilient and growing categories.

What sets us apart is our unique blend of deep human understanding and trusted science. Now it’s time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose – to deliver better everyday health with humanity – at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.

The Technical Programme Plan Manager is accountable for the integrity, feasibility and credibility of the integrated technical programme plan. Working in partnership with the Enterprise Transformation programme workstream leads and third-parties (SI and SAP) this role ensures the technical plan covers technology, data, integration, testing and technical deployment activities required to deliver the transformation objectives. The role acts as the single source of truth for technical planning and forecast confidence, challenging assumptions and surfacing risks early to protect delivery outcomes.

• Integrated Technical Programme Planning:
  Build, maintain and govern the end-to-end integrated programme plan, covering technology, data, integration, environments, testing, cutover and stabilisation. Ensure coherent sequencing across technical work streams, interdependent programmes and external partners (SI, SAP, other vendors as required). Maintain end-to-end traceability from SAP design decisions through build, test, cutover, and deployment sequencing within the technical programme plan. Ensure plans account for SAP environment readiness, including development, test, pre-prod, prod provisioning, connectivity and RISE dependencies.
  
  Act as the primary technical planning point of contact across workstream leads and delivery partners. Ensure plans reflect S4 specific test realities (including SIT, UAT, regression, integration testing, mock conversions, and defect remediation cycles).
• Dependency & Critical Path Management:
  Identify, model and manage cross‑programme technical dependencies (SAP core, data, integrations, environments, third‑party systems). Own and communicate early and clearly the true technical critical path, highlighting constraint drivers, bottlenecks and sequencing risks. Partner with the Deployment Lead to integrate technical cutover planning into the master programme plan, including rehearsals, dress rehearsals, data freezes and "go / no go" windows. Assess and articulate downstream planning impacts across environments, testing, deployment waves, and resource demand.
  
  Ensure technical cutover planning reflects operational and business continuity constraints, not just technical task completion.
• Plan Governance & Assurance:
  Maintain full traceability between technical decisions, scope changes, assumptions and plan impacts. Own technical planning standards, assumptions, and integration of change control impacts into the master plan. Integrate and reconcile SI‑provided SAP plans into the master plan, maintaining independence and transparency. Partner with the PMO Lead and Programme Governance Lead to enable decision‑ready conversations with leadership, focused on options, impacts and consequences.
• Progress Tracking & Forecasting:
  Provide forward‑looking confidence assessments for S4 milestones (design freeze, test entry/exit, migration readiness, cutover) not just date forecasts. Track delivery performance against plan and produce credible forward‑looking forecasts (not just retrospective status). Integrated risks, issues, and mitigations into the plan in partnership with RAID owners. Continuously stress test plans for feasibility, capacity, sequencing and risk.

• Expert…