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Founding Head of Public Sector

London Office💼 Full-time🗓 2026-07-16 → 2026-09-26

Core

Own Cosine's public sector engagement and GTM motion, building senior institutional relationships to convert sovereign AI interest into qualified commercial opportunities.

Role type

Founding Head of Public Sector (Enterprise Sales & Market Development)

Builds

Qualified pipeline for autonomous software engineering and secure AI solutions in government, defence, and public sector.

Domain

Public Sector / Sovereign AI / Secure Software Engineering

Deliverable

client delivery

Required skills

Public sector sales, stakeholder mapping, procurement navigation, partnership management, market development, bid strategy, account planning

Preferred skills

Experience with UK government/defence, sovereign AI knowledge, systems integrator relationships, GTM playbook creation

Technologies

None specified

Responsibilities

Lead engagement with priority public sector organisations and maintain account maps; Build multi-threaded senior relationships across CIO/CTO/CISO and procurement teams; Conduct structured discovery to understand sovereign AI priorities and constraints; Convert relationships into qualified pipeline opportunities and bid participation; Work with systems integrators to shape joint account plans and bid strategies; Navigate public sector procurement routes and compliance; Help build the public sector GTM team and operating cadence.

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