Global Relay

Cyber Security Specialist - L3

Company
Location
London Area, United Kingdom
Posted At
8/24/2025
Description

Your role:

The Cyber Security Specialist 3 provides advanced response to security threats and vulnerabilities. This position acts as an escalation resource for technical issues associated with the analysis of event logs, system logs, and other data sources and for the determination of root cause and resolution of security events. This position also designs, plans, implements, and maintains assigned components of Global Relay’s security infrastructure.


Your responsibilities:

  • Adhere at all times to separation of duties between your role as a member of the security team that monitors the activities of privileged users, and privileged network and Operations/DevOps team members that use their privileges to resolve incidents and fulfil requests in the production environment
  • Act as the escalation point for security incidents and service requests in a timely manner
  • Review, assess, and prioritise escalated security related events based on severity and criticality
  • Review and assist in audit and analysis functions on internal and external data sources
  • Act as a security resource in the design and deployment of Global Relay initiatives, both internal and for Global Relay’s products
  • Design, approve, and implement device rule changes, patches, and updates aligned with the change management process
  • Research and deploy security solutions, including evaluation, selection, and installation, to ensure best of class monitoring and protection of systems and applications
  • Develop, maintain and review process documentation
  • Lead the creation and management of audit content for Global Relay security audits
  • Provide leadership in the enforcement of security policies
  • Participate in security awareness initiatives


About you:

  • 5-7 years hands-on experience working with core information security systems such as firewalls, intrusion detection and prevention implementations, antivirus and anti-malware solutions, SIEM solutions, two-factor and biometric authentication solutions, and server and network device hardening
  • 5-7 years of hands-on experience working with core infrastructure and networking components such as Windows and Linux servers, L2-L3 network switches and routers
  • Proven experience as an escalation point for analysis of security events to determine root cause and provide resolution
  • Certification in security technologies such as SIEM tools, firewalls, networking, etc.
  • Expert understanding of a wide variety of communication protocols
  • Experience using an internal and external ticketing system for ITIL-based incident, problem and change management
  • Previous experience in troubleshooting day-to-day operational processes such as report generation, data verification, data correlation, etc.
  • Excellent verbal, written and documentation skills
  • Methodical and creative approach to problem-solving
  • Superior time management and prioritizing ability


Company Benefits

  • Private pension
  • Bonus
  • Full medical cover
  • Dental care
  • flexi working
  • Free fruit
  • Snacks coffee etc.
  • 25 days holiday
  • Life insurance


Interview Process

  • Initial
  • Technical
  • Meet and greet
  • Cultural
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Cyber Security Specialist - L3 | Global Relay | Hunt UK Visa Sponsors