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Public Sector Lead, Defence & Security

Scale AI· GPS Sales
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Hybrid (London)full-timePosted 2w ago

About the role

Lead Scale's UK defence and national security initiatives, owning commercial relationships across MOD and enabling organisations, shaping strategy, closing deals, and building a small team over time.

Responsibilities

  • Own our commercial plan and pipeline for UK defence and security
  • Find, shape, and close deals yourself, from the first conversation through to contract and into delivery
  • Use the relationships you already have across the MOD, Defence Digital, UK Strategic Command, DE&S, Dstl, and the security and intelligence community
  • Work the defence routes to market, and know which are worth the effort and which aren't (Defence Sourcing Portal, DASA, JOSCAR registration, single-source arrangements, CCS frameworks)
  • Be a credible counterpart to senior military and civil service leaders, and turn what they need into work we can actually deliver
  • Navigate the security clearance, accreditation, and information-handling requirements that come with defence work
  • Stay close to our product and delivery teams so what we sell is what we build
  • Hire and lead a small team over time, and help shape the wider UK public sector plan as a team with the Central Government Lead and Public Sector leader.

Qualifications

  • You've sold and delivered AI technology or transformation work into UK defence or national security, either from a vendor or SI or from inside the MOD or the Armed Forces
  • You know at least one part of defence well (MOD, UK Strategic Command, DE&S, Dstl, or a single Service) and how it buys
  • You’ve rolled up your sleeves and built something from scratch, whether that’s a new vertical, territory or product launch
  • You understand defence and public sector procurement: frameworks, tenders, single-source rules, and buying that runs through a lot of stakeholders
  • You've opened doors, run complex pursuits, and owned the result
  • You have relationships with senior people in defence
  • You hold, or are eligible to obtain, UK security clearance (SC as a minimum; DV desirable)
  • You do your best work when things are ambiguous and moving quickly

Skills

Required:Business development in defence and securityStakeholder management

Benefits

  • Policy requires a 90-day waiting period before reconsidering candidates for the same role (note)
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Scale AI

Data-centric infrastructure to accelerate the development of AI

Scale accelerates the development of AI within organizations of any size to deliver critical business insights and operational efficiency. Its data-centric infrastructure platform leverages RLHF (Reinforced Learning with Human Feedback) to help organizations build the strongest AI models that supercharge their business, with customers across industries including Meta, Microsoft, U.S. Army, DoD’s Defense Innovation Unit, Open AI, General Motors, Toyota Research Institute, Brex, Instacart and Flexport.

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