Cyber Security Analyst

Company: Holt Executive
Apply for the Cyber Security Analyst
Location: London
Job Description:

Overview

In this role you join a 24/7 Security Operations team to protect critical infrastructure and enterprise systems. You will monitor threats, investigate incidents, and triage alerts across cloud and on‑prem environments, shaping proactive defense. You’ll work with cross‑functional teams to refine detection rules and incident response processes. This is a hands‑on role in a fast‑paced cybersecurity environment with opportunities to grow in threat analysis and incident response.

Pay / Benefits

  • competitive salary and bonus
  • comprehensive benefits package
  • professional development opportunities
  • collaborative and supportive working culture

Responsibilities

  • Monitor security events, alerts and incidents across enterprise networks and systems
  • Manage security cases and tickets through to resolution
  • Analyse logs and data from SIEM platforms, security monitoring tools, network infrastructure, and endpoints
  • Investigate and triage security alerts to identify malicious activity and determine attack methods
  • Follow incident response and escalation procedures to contain and mitigate risks
  • Document incidents with indicators of compromise, evidence, and findings
  • Identify false positives and provide feedback to improve detection capabilities
  • Support development and optimisation of monitoring rules and processes
  • Analyse data sets to identify security gaps and propose improvements

Key requirements

  • 3+ years’ experience in cyber security, security operations, threat analysis, or security monitoring
  • Experience investigating security incidents and operating in a Security Operations Centre
  • Understanding of incident response processes, security event triage, and escalation procedures
  • Strong knowledge of networking protocols, authentication mechanisms, and common attack techniques
  • Good understanding of information security principles, technologies, and best practices
  • Experience securing and supporting Windows and Linux environments
  • Excellent written and verbal communication skills
  • Desirable: professional certifications such as GCIH or GCIA; experience with SIEM platforms and security monitoring technologies
  • Desirable: knowledge of Oracle and virtualised environments
  • Excellent written and verbal communication
  • Collaborative and proactive mindset
  • Problem-solving and analytical thinking
  • SIEM platforms and security monitoring technologies
  • Security incident investigation and incident response
  • Windows and Linux security

Posted: September 14th, 2026