Job Description

Salary: £43,500 - 66,500 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 environments
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

We are hiring a Senior Network Security Engineer for a busy, engineering-led role within a well-established financial services environment near Epsom. This is a hybrid position with two days onsite, offering permanent employment, on-call involvement, and occasional out-of-hours support. You will have real ownership of our network security estate and the opportunity to help modernise and strengthen our infrastructure through transformation projects, with strong progression, training, competitive salary, and benefits.

last updated 24 week of 2026

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