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Commercial Governance & Assurance Manager
Commercial Governance & Assurance Manager | Reading ~ Fantastic opportunity to join this National Defence organisation in this high impact role at the heart of the Commercial function, influencing enterprise-wide policy, assurance, performance insight...
Fantastic opportunity to join this National Defence organisation in this high impact role at the heart of the Commercial function, influencing enterprise-wide policy, assurance, performance insight,and board-level decision-making whilst leading/coaching and mentoring a dynamic team.
What you will be doing:
Manage and evolve Commercial governance and assurance framework, ensuring it is proportionate, consistent, and aligned to public procurement regulation and best practice.
Translate central government policy, defence and nuclear licensing requirements into clear, usable local policy, processes, and templates.
Quality assure commercial strategies, board papers, and business cases, ensuring completeness, traceability, and a strong value for money narrative, applying the HM Treasury Green Book and 5 Case Model.
Lead and develop a small team, setting a high standard for qualified judgement,



assurance quality, and continuous improvement.
Act as a trusted advisor to senior stakeholders, constructively challenging assumptions and influencing decision making across the organisation.
Experience required:
Senior level experience in commercial governance, assurance or performance management within a regulated public sector or complex commercial environment.
Hands on business case assurance experience, able to test strategic need, options, affordability, commercial approach, and enduring performance management.
Strong stakeholder management and influencing skills, with experience working across functions and at senior levels.
Proven ability to translate policy into clear, usable processes and frameworks that are applied consistently.
Experience leading or coordinating audit responses and driving improvement from findings.
If you are a senior commercial governance professional who is confident operating close to decision-makers, comfortable with ambiguity, and motivated by improving how organisations govern complex commercial activity, this could be the role for you.
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📌 Commercial Governance & Assurance Manager (Horsham)
🏢 Beaumont Select
📍 Horsham