Business Case Assurance Manager

If you'd like to be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given.

Closing date: 24th March 2026

Location:

Green Park, Reading
Package: £47,760 - £55,000p.a (depending on your suitability, qualifications, and level of experience)
Working pattern: AWE operates a 9-day working fortnight. We will consider flexible working requests so that your work may fit in with your lifestyle. Just let us know your preferred working pattern on your application.

At AWE, it's not just a job, it's far more than that. Our shared purpose is to help keep the nation safe. Could this role be the opportunity for you to play your part?

AWE is currently recruiting for a Business Case Assurance Manager for our Finance function, home to several specialist teams driving robust decision‑making across AWE. At the heart of this sits the Business Case Assurance Team, a key part of our investment governance process. This team leads the development and delivery of end‑to‑end business case assurance, working closely with the business, PMO, Finance and other enabling functions to ensure every business case is clear, concise and built on solid foundations.

From choosing the right type of business case to advising on assurance levels and timing, the team plays a pivotal role in guiding proposals through the approvals process. Whether it's an Integrated Approvals and Assurance Plan, an Abridged Business Case, an OBC or full FBC, all work aligns with the principles of JSP
655, the HMT Green Book and Managing Public Money.

• Deliver a training and Learning from Experience (LFE) programme for all AWE staff and stakeholders involved in the production assurance and governance of business cases.
• Provide support, advice and guidance as required to the business for the drafting of Integrated Approvals and Assurance Plans (IAAP) and manage the configuration control and audit.
• Develop business case assurance and approval data, reporting tool(s) and a management information dashboard to meet line management requirement.
• Develop assurance stakeholder engagement, be proactive in contacting stakeholders to ensure you are fully up to date with the latest proposed business cases.
• Develop the working relationship with AWE and DNO approvals as well as the wider Defence assurance and scrutiny communities.
• Provide guidance and advice to project teams on the requirements and development of Business Case, using organisational templates and HMT 5 case model.

• Degree or equivalent is desirable
• APM Practitioner qualification

• Ability to identify, investigate, evaluate and implement improved ways of working
• Ability to take decisions and solve complex business problems
• A strong focus on efficiency, innovation and quality
• Excellent written and verbal communication skills
• Strong focus on customers and partners and ability to build and sustain strong relationship.
• Ability to manage yourself and work on your own initiative.
• Suitable for an individual with experience in a project support

• 9-day working fortnight – meaning you get every other Friday off work, in addition to 270 hours of annual leave.
• Market leading contributory pension scheme (we will pay between 9% and 13% of your pensionable pay depending on your contributions).
• Family friendly policies: Maternity Leave – 39 Weeks Full Pay and Paternity Leave – 4 Weeks Full Pay.
• Opportunities for Professional Career Development including funding for annual membership of a relevant professional body.
• Employee Assistance Programme and Occupational Health Services.
• Life Assurance (4 x annual salary).
• Discounts – access to savings on a wide range of everyday spending.
• Special Leave Policy including paid time off for volunteering, public service (including reserve forces) and caring.

Everyone who works at AWE brings unique skills and perspectives to the table. We recognise that great people…