Strategic Partnerships Manager

Job description

Job title: Strategic Partnerships Manager Location: London; full in-office working as default Start date: ASAP Reports to: CRO Compensation: Salary and Equity options available for discussion Application deadline: 01/11/26 at 23:59 UK time ___________________________________________________________________________ Help build the UK's sovereign AI future. Turn cutting-edge technology into commercial impact. At Cosine, we're on a mission to build the UK's first sovereign Large Language Model, alongside some of the most advanced AI technology being developed today. Our portfolio spans autonomous coding agents, specialised AI models, AI-native red teaming and sovereign AI solutions. We're building technology that fundamentally changes how organisations develop software, modernise infrastructure, strengthen security and deploy AI where control over data and infrastructure is critical. The opportunity is significant. The interest is already there. Now we need someone who can turn it into business. We're looking for an exceptional Partnerships Manager to build and scale Cosine's partner ecosystem, with an immediate focus on systems integrators (SIs) and consultancies. This is a commercially driven, hands-on role. You'll own relationships, develop joint propositions, negotiate agreements and build customer pipeline. You'll work directly with senior stakeholders at major partners and closely with our commercial, product and engineering teams. This isn't about managing an established partner programme. It's about building one that delivers. We need someone who can hit the ground running, operate independently and turn opportunities into results. ___________________________________________________________________________ What you'll do Build and activate strategic partnerships Own and develop relationships across the partner ecosystem, prioritising high-value SIs, consultancies and strategic technology partners. Convert existing interest into active, commercially productive partnerships while proactively opening new doors. Build relationships with senior executives, practice leaders and commercial teams, creating alignment and securing commitment. Turn partnerships into revenue Drive partner opportunities from initial engagement through commercial negotiation, agreement and activation. Build joint account plans, identify customer opportunities and develop a qualified…