Senior Business Case Manager

As a Senior Business Case Manager, your main responsibilities will be: Lead the planning, development, and drafting of business cases. Ready to challenge expert input and ensure compliance with organisational and Treasury requirements. Use insights from similar projects to guide the preparation of business cases. Lead engagement with stakeholders to identify, define, and quantify benefits. Negotiate with stakeholders to agree on key benefits and work with senior sponsors to ensure their expectations are met. Create and provide guidance to project teams on business case requirements and development using organisational templates and the HMT 5 case model. Ensure all relevant organisational factors for change are included within a comprehensive business case and provide a clear rationale for preferred options. Apply data analytics to develop robust business cases, assess project viability and track benefits realisation. Leadership and line management of a small team working on business case development. Leading working groups of colleagues from across diverse teams and organisations to develop the business case. Providing robust advice to seniors, relevant boards, ministers on business case development. Essential Skills Demonstrable experience planning, developing and drafting end-to-end business cases for complex programmes with expertise in the HM Treasury Green Book and the 5-Case Model. Ability to challenge expert/technical inputs and options to ensure they are robust and provide genuine value for money. Proficiency in identifying and quantifying both financial and non-financial benefits, ensuring they are realistic, measurable, and aligned with organisational strategy. Ability to use data analytics and financial modelling to assess project viability, conduct sensitivity analysis, and track long-term benefits realisation. Proven ability to manage a wide range of stakeholders with competing priorities (e.g., Finance, Commercial, Policy, and Digital), building consensus on the best way forward; ability to confidently provide robust advice to senior leaders. Experience in providing guidance, templates, and training to project teams to upskill them in business case development. Ability to lead and develop a high-performing and inclusive team, and to embed a positive team culture and working practices in a fast-paced delivery environment.