Senior Network Security Engineer

Salary: £50,000 - 90,000 per year

Requirements

• Strong Palo Alto firewall experience
• Solid networking background, including Cisco and LAN/WAN
• Exposure to security tools such as SIEM, EDR, and vulnerability management
• Experience in enterprise or regulated environments is ideal

Responsibilities

• Own and optimise our Palo Alto firewall estate
• Support our LAN/WAN, Wi-Fi, remote access, and load balancing environment
• Monitor and respond to security incidents using SIEM and EDR tools
• Improve our network security, segmentation, and resilience
• Manage vulnerability scanning and patching using Qualys
• Lead and contribute to our security and infrastructure projects

Technologies

• Cisco
• Firewall
• Support
• LAN
• Load Balancing
• Network
• Security
• Aruba

More

We are offering a permanent Senior Network Security Engineer role near Epsom with a hybrid working pattern of two days onsite and occasional out-of-hours on-call support. This is a busy, engineering-led role within a well-established financial services environment, giving you real ownership of a modern network security estate and the opportunity to help shape a more resilient, scalable, and secure infrastructure. We are investing in modern security and transformation work, and we offer competitive salary and benefits, along with strong progression and training opportunities.

last updated 29 week of 2026