Deputy Director Portfolio Office - (NPPV2 CTC cleared)

AgileSouce are seeking an experienced Deputy Director, Portfolio Office to lead a high-performing Portfolio Office function within a major, complex transformation environment. This is a senior leadership opportunity for an accomplished portfolio and transformation professional with extensive experience overseeing large-scale change portfolios and driving organisational transformation.

Location: Hybrid, London

Contract Length: 12 Months

IR35: Inside IR35

Start Date: ASAP

Must be NPPV2 Cleared

About the Role

As Deputy Director of the Portfolio Office, you will provide strategic leadership across a complex portfolio of transformation programmes, ensuring effective governance, prioritisation, risk management, benefits realisation, and resource planning.

You will play a critical role in establishing and maintaining world-class portfolio, programme, and project management standards while partnering with senior stakeholders to drive successful delivery of strategic objectives.

Key Responsibilities

• Lead and develop a mature Portfolio Office function supporting enterprise-wide transformation initiatives.
• Provide strategic oversight of portfolio governance, controls, reporting, assurance, and benefits management.
• Establish and maintain best practice portfolio, programme, and project management (P3M) standards.
• Ensure effective portfolio prioritisation aligned to organisational objectives.
• Oversee portfolio-level financial management, forecasting, resource planning, and performance reporting.
• Provide expert guidance and support across programme and project delivery teams.
• Build strong relationships with executive stakeholders, providing challenge, insight, and strategic advice.
• Drive continuous improvement across portfolio management frameworks, processes, tools, and methodologies.
• Lead and develop high-performing transformation and portfolio management teams.
• Ensure effective management of risks, dependencies, and delivery outcomes across a complex change portfolio.

Required Experience

• Significant senior leadership experience within a large-scale transformation or change environment.
• Proven track record leading complex portfolios of programmes and projects.
• Experience influencing, negotiating, and challenging executive and board-level stakeholders.
• Strong understanding of portfolio, programme, and project management disciplines.
• Experience managing commercial relationships and working across complex supplier ecosystems.
• Demonstrable success building and leading transformation teams within large organisations.
• Experience implementing robust governance, assurance, financial controls, and benefits realisation frameworks.

Key Skills

• Portfolio, Programme & Project Management (P3M)
• Financial Management & Forecasting
• Resource Planning
• Risk & Assurance Management
• Commercial & Procurement Management
• Strategic Leadership
• Stakeholder Management
• Programme Governance
• Benefits Management
• Data Analysis & Reporting
• Microsoft Project
• SharePoint
• Excel
• PowerPoint
• Visio
• Word

Qualifications

• Recognised programme or portfolio management qualification (e.g. MSP, MoP, PRINCE2, PgMP, P3O or equivalent).