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Security Analyst

United Kingdom, London · Job Posted June 10, 2026
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Job Description

Our client, a leader in sustainable energy solutions, is seeking a proactive Information Security Analyst to support the protection, detection, and response capabilities of our security function, while driving continuous improvement across our security posture. This role is hands-on, working across modern security tools, cloud environments, and operational processes.

Job Responsibility

  • Monitor, analyse, and respond to security alerts, logs, and telemetry across SIEM (Microsoft Sentinel), EDR, network and DLP security platforms
  • Support detection and response activities, including incident triage, investigation, and remediation
  • Implement and manage Data Loss Prevention (DLP) controls, including policy configuration, tuning, and incident handling
  • Contribute to the development and maturity of the organisation’s security stack
  • Assist in coordinating penetration testing activities, including scoping, stakeholder engagement, and remediation validation
  • Maintain accurate documentation of incidents, risks, controls, and audit evidence to support governance and compliance
  • Conduct third-party security assessments, including questionnaires and documentation reviews
  • Work closely with external SOC providers and network/security partners
  • Evaluate and onboard new security technologies and tools
  • Support cyber security awareness programmes, tabletop exercises, and resilience planning
  • Ensure alignment with security standards and frameworks (e.g. ISO 27001, NIST)

Requirements

  • Hands-on experience with security tools (e.g. SIEM, EDR, vulnerability management, network security tools, query writing and alert tuning)
  • Experience implementing and managing Purview DLP solutions
  • Experience monitoring and responding to security events in cloud environments (Azure)
  • Strong understanding of security operations, threat detection, and incident response
  • Knowledge of security standards and regulatory compliance requirements (ISO, NIST)
  • Experience with third-party risk management and supplier assurance
  • Familiarity with penetration testing processes and remediation tracking
  • Understanding of network security principles, including in cloud-based environments
  • Experience with OT (Operational Technology) and physical security is advantageous
  • Zscaller and Paolo Alto/firewall experience beneficial
  • Defender and Sentinel

Nice to have

  • Experience with OT (Operational Technology) and physical security is advantageous
  • Zscaller and Paolo Alto/firewall experience beneficial

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