Senior Network and Security Analyst
Posted on May 20, 2026 by CV-Library
Croydon, Greater London, United Kingdom
IT
Immediate Start
Annual Salary
Full-Time
Senior Network and Security Analyst - L2/L3 Network Infrastructure - Cyber Security - SIEM tools
My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management of the IT network and security infrastructure to meet business requirements and objectives.
Responsibilities:
* Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs
* Manage day-to-day security operations, including monitoring SIEM platforms, firewalls, endpoint protection, and threat detection tools
* Investigate security incidents and vulnerabilities, recommending and implementing corrective actions where required
* Maintain and support network technologies including LAN/WAN, Wi-Fi, Internet connectivity, and Layer 2/3 infrastructure
* Contribute to cyber security and infrastructure projects, including the implementation of new security controls and technologies
* Perform patching, upgrades, and ongoing maintenance across security and network environments to minimise risk and downtime
* Develop and maintain security policies, operational procedures, technical documentation, and compliance standards
* Support disaster recovery and business continuity planning, testing, and readiness activities
Key Experience & Skills:
* Palo Alto Firewalls and all associated NG services
* Endpoint detection and remediation
* Proven track record in Cyber security and understanding of cyber security analysis, tools and software
* Experience of implementing, supporting and developing L2/3 network infrastructure
* Qualys Vulnerability Management
* Aruba Wifi
* L2/3 switching - Cisco Nexus
* Network Load balancing
* Penetration Testing (3rd Party)
* Incident management
* Data Security
My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management of the IT network and security infrastructure to meet business requirements and objectives.
Responsibilities:
* Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs
* Manage day-to-day security operations, including monitoring SIEM platforms, firewalls, endpoint protection, and threat detection tools
* Investigate security incidents and vulnerabilities, recommending and implementing corrective actions where required
* Maintain and support network technologies including LAN/WAN, Wi-Fi, Internet connectivity, and Layer 2/3 infrastructure
* Contribute to cyber security and infrastructure projects, including the implementation of new security controls and technologies
* Perform patching, upgrades, and ongoing maintenance across security and network environments to minimise risk and downtime
* Develop and maintain security policies, operational procedures, technical documentation, and compliance standards
* Support disaster recovery and business continuity planning, testing, and readiness activities
Key Experience & Skills:
* Palo Alto Firewalls and all associated NG services
* Endpoint detection and remediation
* Proven track record in Cyber security and understanding of cyber security analysis, tools and software
* Experience of implementing, supporting and developing L2/3 network infrastructure
* Qualys Vulnerability Management
* Aruba Wifi
* L2/3 switching - Cisco Nexus
* Network Load balancing
* Penetration Testing (3rd Party)
* Incident management
* Data Security
Reference: 225140643
https://jobs.careeraddict.com/post/113267203
Senior Network and Security Analyst
Posted on May 20, 2026 by CV-Library
Croydon, Greater London, United Kingdom
IT
Immediate Start
Annual Salary
Full-Time
Senior Network and Security Analyst - L2/L3 Network Infrastructure - Cyber Security - SIEM tools
My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management of the IT network and security infrastructure to meet business requirements and objectives.
Responsibilities:
* Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs
* Manage day-to-day security operations, including monitoring SIEM platforms, firewalls, endpoint protection, and threat detection tools
* Investigate security incidents and vulnerabilities, recommending and implementing corrective actions where required
* Maintain and support network technologies including LAN/WAN, Wi-Fi, Internet connectivity, and Layer 2/3 infrastructure
* Contribute to cyber security and infrastructure projects, including the implementation of new security controls and technologies
* Perform patching, upgrades, and ongoing maintenance across security and network environments to minimise risk and downtime
* Develop and maintain security policies, operational procedures, technical documentation, and compliance standards
* Support disaster recovery and business continuity planning, testing, and readiness activities
Key Experience & Skills:
* Palo Alto Firewalls and all associated NG services
* Endpoint detection and remediation
* Proven track record in Cyber security and understanding of cyber security analysis, tools and software
* Experience of implementing, supporting and developing L2/3 network infrastructure
* Qualys Vulnerability Management
* Aruba Wifi
* L2/3 switching - Cisco Nexus
* Network Load balancing
* Penetration Testing (3rd Party)
* Incident management
* Data Security
My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management of the IT network and security infrastructure to meet business requirements and objectives.
Responsibilities:
* Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs
* Manage day-to-day security operations, including monitoring SIEM platforms, firewalls, endpoint protection, and threat detection tools
* Investigate security incidents and vulnerabilities, recommending and implementing corrective actions where required
* Maintain and support network technologies including LAN/WAN, Wi-Fi, Internet connectivity, and Layer 2/3 infrastructure
* Contribute to cyber security and infrastructure projects, including the implementation of new security controls and technologies
* Perform patching, upgrades, and ongoing maintenance across security and network environments to minimise risk and downtime
* Develop and maintain security policies, operational procedures, technical documentation, and compliance standards
* Support disaster recovery and business continuity planning, testing, and readiness activities
Key Experience & Skills:
* Palo Alto Firewalls and all associated NG services
* Endpoint detection and remediation
* Proven track record in Cyber security and understanding of cyber security analysis, tools and software
* Experience of implementing, supporting and developing L2/3 network infrastructure
* Qualys Vulnerability Management
* Aruba Wifi
* L2/3 switching - Cisco Nexus
* Network Load balancing
* Penetration Testing (3rd Party)
* Incident management
* Data Security
Reference: 225140643
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