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Head of Engineering

United Kingdom, London 130000.00 - 200000.00 GBP / Year · Job Posted June 15, 2026
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Job Description

Head of Engineering required for a rapidly-growing London-based defence start-up building next-generation autonomous and AI-driven systems to support critical national security missions. Founded by experienced operators and technologists, and backed by top-tier investors, the company is entering a pivotal growth phase. This is a hands-on leadership opportunity to define the technical vision, scale the engineering organisation, and build the systems, processes, and culture that will underpin the company’s next stage of growth.

Job Responsibility

  • Define the technical vision
  • Scale the engineering organisation
  • Build the systems, processes, and culture that will underpin the company’s next stage of growth

Requirements

  • 10+ years of software engineering experience, with several years in engineering leadership roles as a Head of Engineering, VP Engineering, or Engineering Director
  • Proven track record of building and scaling high-performing engineering teams within start-up environments
  • Strong technical background with experience designing and delivering complex, scalable systems
  • Comfortable across modern technologies and languages (e.g. Python, Rust, C++, Java, Go) with a pragmatic, language-agnostic mindset
  • Experience setting technical strategy while remaining close to architecture and key technical decisions
  • Strong leadership, communication, and stakeholder management skills
  • Interest in defence, security, or mission-critical systems
  • Passion for building products that deliver real-world impact

Nice to have

  • Background in defence, aerospace, robotics, autonomy, or security domains
  • Previous founder experience, with a strong understanding of scaling teams, products, and technology from early-stage growth through to maturity
  • Experience building engineering functions from an early-stage foundation
  • Experience working on mission-critical or safety-critical systems

What we offer

  • Mission-driven work supporting defence and national security outcomes
  • High-growth start-up environment with experienced founders and strong investor backing
  • Opportunity to shape the company’s technical vision and engineering culture from the ground up
  • Work on advanced autonomy, AI, and distributed systems at the cutting edge
  • Build and lead a world-class engineering organisation
  • Join a small, high-calibre, highly trusted team solving complex and meaningful challenges

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