Senior Network and Security Analyst
Location
Croydon, Greater London
Job Type
Full-time
Category
computer-and-mathematical
Posted
May 31, 2026
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
...
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
...