An exciting opportunity has arisen for an experienced Secure Procurement Business Partner to join our growing team at Constellia, supporting high-profile clients across Defence, Security and Central Government.
Working as an extension of our clients’ procurement teams, you will manage strategic relationships and a portfolio with upwards of £120m under management, providing commercial and procurement expertise across complex and secure procurement programmes.
Job Purpose
Working alongside our Public Services Director and Secure Business Director, you will act as a trusted procurement advisor and strategic account lead for secure and complex procurement programmes.
You will support existing and prospective clients including the Ministry of Defence, Defence Infrastructure Organisation (DIO), AWE, Home Office, DEFRA and other Central Government organisations.
You will have strong knowledge of UK public sector procurement and experience operating within Defence, Security or Central Government environments. Current SC Clearance, or the ability to obtain clearance immediately, is essential.
what we are looking for
We are looking for an experienced, commercially minded procurement professional with significant Defence and Public Sector experience.
You will be a confident, client-facing professional who can build trusted relationships with senior stakeholders, understand strategic priorities and identify opportunities to develop procurement pipelines and grow client accounts.
You will be a confident, client-facing professional who can build trusted relationships with senior stakeholders, understand strategic priorities and identify opportunities to develop procurement pipelines and grow client accounts.
Build and maintain strong strategic relationships across Defence, Security and Central Government clients.
Understand client priorities, budgets, transformation programmes and commercial objectives
Develop forward procurement pipelines aligned with client business plans and expenditure forecasts
Provide expert advice on procurement approaches, routes to market and commercial strategy
Support complex procurement activity and competitive tendering alongside our Strategic Sourcing team
Identify opportunities to grow client spend, revenue and spend under management
Conduct regular client account reviews and procurement pipeline planning sessions
Increase stakeholder awareness and adoption of Constellia’s Neutral Vendor Model
Support clients in accessing innovative suppliers across AI, Analytics, Cyber Security, Robotics, Future Computing, Digital Services and Emerging Technologies
Develop relationships with key stakeholders and Pathfinders within the Ministry of Defence
Act as the client champion internally, working closely with Operations, Legal, Finance and Procurement teams
Maintain accurate pipeline reporting and opportunity forecasting
Use market intelligence, CRM data and research tools to identify future procurement opportunities and competitor activity
Maintain up-to-date knowledge of public sector procurement legislation, governance and best practice
Represent Constellia at Defence, Security and Public Sector events, conferences and networking opportunities
Support innovation workshops, client engagement activities and supplier events
SKills, knowledge & Experience
Current SC Clearance or eligibility to obtain SC Clearance immediately
Experience supporting MOD, Defence, Security or wider Central Government organisations
Strong understanding of UK public sector procurement legislation and governance
Experience undertaking complex procurement activity and competitive tendering
Strong stakeholder management and influencing skills
Experience developing and managing strategic client accounts
Proven ability to develop procurement pipelines and identify future opportunities
Strong commercial awareness and negotiation capability
Ability to identify and convert procurement opportunities into commercial growth
Experience presenting to senior stakeholders and executive audiences
Experience supporting supplier selection and competitive procurement activity
Knowledge of public sector frameworks and Dynamic Purchasing Systems
Experience across Central Government, Defence and the wider Public Sector
Experience using procurement technology platforms and e-sourcing systems
Understanding of supplier relationship and marketplace management
Experience supporting innovation procurement and emerging technology categories
Established in 2007, Constellia is one of Britain’s fastest-growing private companies (ranked in Sunday Times 100 2024, 2025 & 2026), and a leading Neutral Vendor Managed Service Provider in the UK. We manage over £400 million of spend across 200+ public and private sector organisations. We are also the UK’s only Neutral Vendor to enable public sector and utility clients’ access to the procurement of Goods, Works, Services and Technology.
As a Neutral Vendor, we act as a conduit between contracting authorities, prequalified suppliers, providing a fast and compliant marketing route via Neutral Vendor Frameworks. Our diverse and dynamic marketplace enlists over 3,000 pre-approved suppliers, providing clients access to 400+ subcategories of spend.
Constellia connects buyers with the right suppliers, enabling them to work together with transparency and efficiency while driving value for money, innovation and measurable social impact. As an employee-owned organisation, we put people at the heart of how procurement solutions are delivered across the Constellia community.
our mission
At Constellia, collaboration, innovation, and continuous improvement are at the heart of everything we do. Our mission is to continue to drive positive change through accessible, efficient, and impactful procurement. Whether that be by helping small and local businesses access public sector opportunities, to supporting clients to drive efficiencies and savings, and Social Value to benefit the communities they serve.
If this exciting opportunity sounds like your next role, we would love to hear from you, in return we will commensurate with experience, excellent benefits, hybrid/ remote working and the autonomy and support to do your job well.
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