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Cyber Security Analyst: CSIRT & Incident Response

Job in London, Greater London, W1B, England, UK
Listing for: MI5
Full Time position
Listed on 2026-07-19
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below

GCHQ is seeking a Cyber Security Analyst within the CSIRT to protect critical systems against malware, intrusions, and cyber threats. You will review alerts, analyze data, and contribute to investigations while collaborating with IT and security teams to strengthen defences.

You’ll use tools like Splunk to monitor activity, develop detection content, and build automations to improve SOC efficiency. Opportunities for professional growth include security certifications and exposure to high-stakes

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