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Home based with client site visits. Benefits include: 25 days holiday your birthday, healthcare, bonus, company socials.
The Role
At Constellia, we work with key Public Sector clients, from Government Departments to Local Authorities and NHS Trusts, to deliver innovative, strategic, and socially responsible procurement solutions. Our Secure Business team specialises in projects that demand the highest levels of expertise, trust, and confidentiality.
We’re now seeking a Defence Business Sourcing Specialist – someone who thrives on complexity, builds strong stakeholder relationships, and delivers impactful sourcing strategies that align with our clients’ strategic and social value goals.
What we are looking for
- Proven experience in a Public Sector procurement environment.
- Strong knowledge of Public Contracts Regulations 2015 and awareness of the Procurement Act 2023.
- Skilled in strategic sourcing, negotiation, and stakeholder management.
- Ability to manage complex projects, balancing detail with strategic oversight.
- Proficiency in Microsoft Office and excellent written/verbal communication.
- A collaborative, solutions-focused approach with resilience and adaptability.
Key Responsibilities
- Lead Complex Procurement Projects: Deliver high value, strategic sourcing solutions that align with client objectives, ensuring compliance and best practice at every stage.
- Market Engagement: Conduct research, analyse trends, and identify innovative suppliers to deliver the best value for clients.
- Supplier Relationship Management: Build and maintain strong partnerships, ensuring performance and innovation are at the forefront.
- Stakeholder Collaboration: Work closely with senior client stakeholders and cross-functional internal teams (including legal, commercial and operations).
- Commercial Negotiation: Secure favourable terms on cost, quality and innovation.
- Drive Social Value: Embed sustainability and community impact within procurement decisions.
- Ensure Compliance: Uphold Public Contracts Regulations 2015 and be aware of changes under the Procurement Act 2023.
About Constellia
Constellia – Neutral Vendor solutions for Goods, Services, Technology and Works.
Established in 2007, Constellia is one of Britain’s fastest-growing private companies (ranked in Sunday Times 100 2024 & 2025), 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 client’s 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.
We provide public sector clients the flexibility and choice to buy through one simple route quickly and compliantly, helping drive efficiencies, Social Value and savings.
