Security Engineer (£70k–£120k + Equity) at well-funded AI security startup in London

Security Engineer (£70k–£120k + Equity) at well-funded AI security startup in London

London Full-Time 70000 - 120000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Design and implement security protocols for cutting-edge AI systems.
  • Company: Well-funded AI security startup with a visionary team.
  • Benefits: Competitive salary, equity options, and rapid career growth.
  • Other info: Join a team with expertise from NASA and MIT.
  • Why this job: Be the founding engineer and shape the future of AI security.
  • Qualifications: Background in cybersecurity or AI/ML systems, eager to innovate.

The predicted salary is between 70000 - 120000 £ per year.

  • Job Title
  • Security Engineer
  • Salary
  • Company Description
  • Well-funded AI security startup

Job Description

Join an elite team as the founding security engineer building critical infrastructure for autonomous systems.

You will lead the development of secure AI frameworks, ensuring integrity and safety across production models.

This high-impact role offers significant autonomy to shape technical strategy and evolve into a leadership position as the organization scales rapidly.

  • Location
  • London, UK
  • Why this role is remarkable
  • Join as the first engineering hire with a direct path to CTO as the company grows.
  • Backed by top-tier venture capital firms and recognized by leading global AI research labs.
  • Work alongside a founding team with deep technical pedigree from institutions like NASA and MIT.

What You Will Do

  • Design and implement robust security protocols for large-scale autonomous AI deployments.
  • Develop automated systems to detect and mitigate adversarial attacks on production models.
  • Architect scalable security infrastructure that integrates seamlessly with modern AI development workflows.
  • The ideal candidate
  • Strong background in cybersecurity, application security, or AI/ML systems (0-3 years post-university).
  • Experience in offensive or defensive security research, specifically targeting prompt injection or model vulnerabilities.
  • Proactive builder mindset with a track record of shipping production-grade code or contributing to significant open-source projects.
  • #J-18808-Ljbffr

Security Engineer (£70k–£120k + Equity) at well-funded AI security startup in London employer: Jack & Jill

At Jack & Jill, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our team enjoys a range of benefits including flexible working arrangements, professional development opportunities, and a collaborative environment that encourages creativity and growth. Located in a vibrant area, we offer unique advantages such as access to cutting-edge technology and the chance to work with industry leaders in AI-driven marketing strategies.

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Contact Details:

Jack & Jill Recruitment Team

We think you need these skills to ace Security Engineer (£70k–£120k + Equity) at well-funded AI security startup in London

Cybersecurity
Application Security
AI/ML Systems
Offensive Security Research
Defensive Security Research
Prompt Injection Mitigation
Model Vulnerability Assessment