Partner Buying Manager /wholesale voice Expert (12-Month Contract) Location: Hybrid – Newbury / Paddington, UK Package: £600 per day Hybrid Working: About the Role Our client, a leading provider of communications solutions specialising in wholesale voice services, is seeking an experienced Partner Buying Manager to join their Carrier Commercial team. This is a sourcing-focused role, with a strong emphasis on the buying and selling of wholesale voice minutes and carrier voice commercial management. You will be responsible for negotiating and managing high-value commercial agreements with both internal stakeholders and external carrier partners, ensuring the procurement of key components for Cloud Numbering and other voice-based solutions. Key Responsibilities Negotiate high-impact commercial agreements with wholesale voice carriers and service providers. Source and procure voice minutes and numbering resources across multiple geographies. Develop and maintain an international Cloud Number inventory with strong commercial terms. Implement scalable fulfilment processes across 80 countries. Drive continuous service and commercial improvements with selected suppliers. Leverage market intelligence and industry benchmarking to secure competitive deals. Must-Have Experience & Skills Wholesale Voice Industry Background — direct experience in carrier voice commercial management or the buying/selling of minutes. Track record of working for or with global carriers such as BICS, Tata, iBasis, Orange International Carriers, Telia Carrier, PCCW, IDT, BT Global or similar. Strong understanding of voice interconnect agreements, termination/origination, rate sheet management, and margin optimisation. Familiarity with A-Z lists, Least Cost Routing (LCR), and fraud prevention in voice traffic. Proven negotiation skills with the ability to adapt strategies to changing market conditions. Experience in managing suppliers within a matrix, multinational environment. Business degree or equivalent professional experience. Nice-to-Haves Knowledge of Cloud Numbering, DID provisioning, and international telecom regulations. Experience in unified communications, identity masking, or global conferencing services. Key Performance Indicators Execution of commercial agreements to expand wholesale voice and Cloud Number coverage to 80 countries. Delivery of fulfilment processes with each internal or external supplier. Maintenance of an international Cloud Number pool to meet customer demand. Please do send an up to date CV to eobiechefu@welovesalt.com