IT Security Operation Specialist

4 days ago

London Area, United Kingdom ARC IT Recruitment Full time £60,000 - £100,000 per year

IT Security Operations Specialist

City of London / Hybrid

Circa £80K + bonus + excellent benefits

An excellent opportunity has arisen for an IT Security Associate to join a leading financial services organisation in the City of London. This permanent role sits within a mature security function responsible for global operational security across IT infrastructure and business applications – including privileged access management, threat protection, threat detection and incident management.

Working closely with the IT Security Manager, you will help ensure security services are delivered effectively and that core controls remain fully operational and fit for purpose.

Key Responsibilities:

  • Oversee and review the performance of outsourced security functions, acting as an initial escalation point and ensuring SLAs are met
  • Undertake IT security investigations, including analysis, expert opinion and formal reporting
  • Contribute to the delivery of IT and cyber security improvement projects
  • Support business and IT change (e.g. change management, exception management), assessing security impact and risk
  • Maintain awareness of emerging security technologies and threats, recommending enhancements where appropriate

Key Requirements:

  • Circa 5 years' experience in a related IT role, with strong exposure to security operations
  • Hands-on experience managing security products such as SIEM, TVM and PAM platforms
  • Hold recognised industry certifications such as CISSP, CCSP or vendor specific certifications
  • Experience working with and overseeing outsourced security functions
  • Strong technical skills across the E5 / Microsoft 365 / Defender suite
  • Familiarity with technologies such as SIEM, PAM, Endpoint Protection, EDR, IPS/IDS, MFA, Encryption and Next Gen Firewalls
  • Experience supporting cyber security event triage, incident response and recovery
  • Strong knowledge of operational security management and tooling

This role offers the chance to work in a highly regulated, security-focused environment with genuine breadth across cloud, infrastructure and applications. You will gain exposure to senior stakeholders, complex security challenges and a modern Microsoft-centric technology stack – ideal for someone looking to deepen their expertise and progress their security career in a stable, well-resourced setting.

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