GBS Transformation & Portfolio Partner Lead

GBS Transformation & Portfolio Partner Lead

Reporting to the Head of Global Business Services, the GBS Transformation & Portfolio Lead is a critical enabler of GBS success; being responsible for managing the coordination and delivery of change and transformation across the GBS scope. Running a GBS Transformation Office, they orchestrate GBS’ transformation efforts, ensuring outcomes remain aligned to business strategy and robustly govern delivery and portfolio value realisation through focussing on:

• Business case evaluation and initiative prioritisation, funding
• Portfolio and Programme governance
• Value realisation tracking and reporting
• Enterprise-level Process Excellence

What You’ll Get

People are at the heart of what we do here, so it’s essential we provide you with the right environment to perform at your very best. Lifestyle: Healthcare, pension, potential bonus. 27 days of leave, plus bank holidays and optional 5 additional days. Primark offers Tax Saver Tickets, fitness centre, and a subsidised cafeteria.

What You’ll Do as a GBS Transformation & Portfolio Partner Lead

• Manage the coordination and delivery of transformation initiatives across the GBS scope.
• Ensure alignment of transformation outcomes with enterprise strategy and business objectives.
• Lead cross-functional teams to drive change readiness and adoption.
• Establish and maintain robust governance frameworks for GBS programmes and portfolios.
• Oversee initiative prioritisation, funding allocation, and business case evaluation.
• Ensure transparency and accountability across the transformation portfolio.
• Track and report on value delivery across transformation initiatives.
• Develop and maintain dashboards to monitor KPIs, ROI, and strategic impact.
• Partner with finance and business units to validate benefits and ensure sustainability.
• Develop and execute transition plans to support the migration of processes, systems, and teams during transformation.
• Manage risks and stakeholder engagement to ensure smooth adoption of new ways of working.
• Oversee the end-to-end delivery of transformation projects, ensuring objectives are met on time and within budget.
• Conduct business analysis to identify requirements, assess impacts, and support solution design for GBS initiatives.
• Establish and maintain process governance frameworks, including risk identification, mitigation strategies, and control mechanisms.
• Monitor compliance with internal policies and external regulations across GBS processes.
• Develop, maintain, and govern process documentation to ensure accuracy, accessibility, and compliance.
• Implement document management standards and tools to support continuous improvement and knowledge sharing.

What You’ll Bring

• 8+ years of experience in transformation, programme management, or shared services leadership.
• 8+ years of experience in global services, shared service and outsourcing.
• Bachelor’s or master’s in a relevant field.
• Experience of leading a portfolio of programmes with over €20 million value realisation, involving suppliers, vendors, and internal stakeholders.
• Strong understanding of process excellence, governance, and performance management.
• Excellent communication and stakeholder management skills.
• Customer‑focused approach to planning and delivery.
• Experience with research, analysis, and project management (Agile or traditional frameworks).

About Primark

At Primark, people matter. They’re the beating heart of our business and the reason we’ve grown from our first store in Dublin in 1969 to a £9bn+ turnover business and over 80,000 colleagues and over 440 stores in 17 countries today. Our values run through everything we do. In essence, we’re Caring and always strive to put people first. We’re also Dynamic, bravely pushing the boundaries to stay ahead. And finally, we succeed Together.

Primark promotes equal employment opportunity, and we strive to create an inclusive workplace where people can be themselves, access opportunities and thrive together. If you require extra support at any stage of the selection process, please get in touch with our team at

REQ ID: JR-2870

Location: Maidenhead, England, United Kingdom

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