Senior Network Security Engineer
Senior Network Security Engineer
- Near Epsom | Hybrid (2 days onsite)
- Permanent | On call + occasional OOH
Why This Role?
This is a busy, engineering led role within a well established financial services environment, ideal for someone who wants to own and evolve a modern network security estate, not just maintain it.
You'll take a lead role across Palo Alto firewalls, core networking and security tooling, helping shape a more resilient, scalable and secure infrastructure.
If you're currently in a BAU heavy role and you want more ownership, more engineering and real investment in modern security, this is worth a look.
Key Responsibilities
- Own and optimise Palo Alto firewall estate
- Support LAN/WAN, Wi-Fi, remote access, and load balancing
- Monitor & respond to security incidents (SIEM/EDR)
- Improve network security, segmentation & resilience
- Manage vulnerability scanning & patching (Qualys)
- Lead/contribute to security & infrastructure projects
Tech Stack
Palo Alto | Cisco (L2/3) | Aruba | SIEM | EDR | Qualys
What We're Looking For
- Strong Palo Alto firewall experience
- Solid networking background (Cisco, LAN/WAN)
- Exposure to security tools (SIEM, EDR, vulnerabilities)
- Experience in enterprise or regulat...]]>