Security Engineer – London

Company: Harvey Nash UK
Apply for the Security Engineer – London
Location: London
Job Description:

Security Engineer

6-Month Contract | Inside IR35 | £650-£700 per day | London (Remote Working)

We’re looking for a Security Engineer to join a high-performing Security Operations team. This is a hands-on role focused on detection engineering, threat hunting, automation, incident response, and security tooling optimisation within a modern cloud-first environment.

Key Skills & Experience:

  • Strong background in Security Engineering, SOC, Detection Engineering, or Incident Response
  • Hands-on experience with SIEM/XDR platforms and KQL, SPL, or LogScale
  • Microsoft 365 security experience
  • Threat hunting and detection engineering aligned to MITRE ATT&CK
  • Python and/or PowerShell scripting
  • EDR experience across Windows and macOS environments
  • Security automation and orchestration
  • Experience using AI-driven security tools and defending against AI-related threats

What You’ll Be Doing:

  • Building and tuning detections and monitoring capabilities
  • Developing automation to enhance security operations
  • Conducting proactive threat hunting across cloud, endpoint, and identity environments
  • Supporting incident investigations and response activities
  • Improving security tooling, visibility, and operational effectiveness

Contract: 6 MonthsRate: £650-£700 per dayLocation: London-based client with primarily remote workingIR35: Inside IR35

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Posted: November 7th, 2026