Cyber Security Engineer

Company: MJA (London) Limited
Apply for the Cyber Security Engineer
Location: London
Job Description:

I’m working on an exciting opportunity with a growing cybersecurity start-up in London.

They’re looking for a hands‑on Security Engineer who can build, automate and take genuine ownership across cloud security, AI and DevSecOps.

This is not a traditional SOC or Security Analyst position.

They want someone who can actually build things and demonstrate what they’ve delivered.

Key experience:

  • Hands‑on Cloud Security across AWS, Azure or GCP
  • AI / GenAI exposure and an understanding of AI security risks
  • Strong Cyber / Information Security engineering experience
  • Security automation and tangible examples of things you have built
  • DevSecOps and security architecture
  • Incident management, triage and threat analysis
  • Experience with tools such as AWS GuardDuty
  • Ability to think through security architecture from the ground up
  • Strong ownership and decision‑making
  • Comfortable working in a small, collaborative team

The team is small, so this is an opportunity for someone who wants to get involved, make decisions and genuinely influence how security is built.

Longer term, there is scope to move further into security strategy, architecture, DevSecOps and engineering leadership as the team grows.

Location: Old Street, London, 2 days per week

If you’re a Cloud Security or Security Engineer who enjoys building things rather than just managing them, I’d love to hear from you.

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Posted: September 27th, 2026