The Role
As a Construction Sourcing Specialist, you’ll be at the heart of delivering complex sourcing projects across the construction category, working with Government Departments, Local Authorities, and Public Sector Agencies. You'll act as a trusted advisor, driving commercial value, regulatory compliance, and innovative procurement strategies.
This is a client-facing, hybrid role where you’ll collaborate with internal teams—including legal, commercial, and operations—to deliver best-in-class procurement services that align with client goals.
Key Responsibilities
Lead high-value, complex construction procurement projects Advise on routes to market, contracting models (JCT, NEC), and tendering strategies Conduct market research and supplier analysis to inform sourcing decisions Build strong relationships with senior stakeholders and key suppliers Negotiate favourable commercial terms, ensuring best practice and compliance Support delivery of social value and sustainability objectives through procurement Collaborate with internal teams across legal, finance, operations, and implementation What we are looking for
Solid understanding of the construction industry – e.g. Quantity Surveyor, PM, EA or CA background Familiar with standard forms of building contracts (particularly JCT) Knowledge of Public Contracts Regulations 2015 and the Procurement Act 2023 Strong stakeholder engagement, negotiation and supplier management skills Passion for delivering value, innovation, and continuous improvement Skills and experience
Educated to degree level Experience working with or within public sector Contracting Authorities MCIPS, RICS or relevant professional qualification (desirable)
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.
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