Transformation Management Office - OSS Transformation Job Reading area,England UK,Business

Role Purpose

Role Purpose – Lead OSS TMO with ownership of demand, capacity, financial governance, and portfolio reporting, enabling effective delivery across large-scale (300+ applications) agile transformation programs.

Mandatory Experience

Proven experience in Demand Management (mandatory)

Strong experience in delivering Agile programs in large-scale environments (mandatory)

Experience managing large portfolios and multi-vendor delivery ecosystems

Strong background in:

Governance and reporting
Financial tracking
Capacity planning

Key Responsibilities

Demand Management

Own and drive end-to-end demand management life cycle across OSS portfolio
Prioritize and align demand with business objectives, capacity, and delivery constraints
Collaborate with stakeholders to ensure clear intake, validation, and approval of demand pipeline

Capacity Management

Manage and optimize capacity planning across OSS delivery teams
Ensure resource alignment to demand pipeline and program priorities
Track utilization and proactively address capacity gaps or overbooking risks

Budget Tracking & Financial Control

Track and manage program and portfolio budgets vs. actuals
Provide regular updates on forecast, variances, and financial risks
Ensure alignment with overall commercial and financial governance

Process Improvement & Ways of Working

Drive continuous improvement in TMO processes, governance models, and delivery frameworks
Standardize and enhance Ways of Working (WoW) across OSS programs
Identify inefficiencies and implement best practices for delivery optimization

Portfolio Governance & Reporting (300+ Applications)

Lead governance and reporting for large-scale OSS portfolio (~300 applications)
Ensure:
Consistent reporting standards
Track milestones, dependencies, and critical path
Own integrated program plan
Portfolio-level visibility (health, risks, performance)
Alignment across multiple work streams and platforms
Provide executive-level insights and portfolio dashboards
Manage change requests and scope control

Prepare dashboards, executive summaries, KPI reports

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