Network Security Engineer (Cisco ISE Expert)
Location: Guildford, UK or Bournemouth, UK
Job Type: Contract Inside IR35 / Fixed Term Contract
We are seeking a highly skilled L4 Network Security Engineer with deep expertise in Cisco security technologies, Check Point firewalls, and F5 APM. The ideal candidate will be responsible for designing, implementing, optimizing, and troubleshooting enterprise security solutions across multi‑site and data‑center environments. This role requires hands‑on experience in platform installations, upgrades, migrations, and decommissioning activities, along with strong troubleshooting and cross‑team collaboration skills.
Required Skills & Experience
* Cisco ASA/FTD – VPN, NAT, ACL, clustering, routing, packet tracer, Firepower Management Center (FMC).
* F5 APM – Access policy creation, VPN configuration, SAML/OAuth integration.
* Cisco Switching/Routing in DC environment – Nexus (5k/7k/9k), VLANs, VPC, OSPF/BGP basics.
* Packet capture tools: Wireshark, tcpdump.
* Cloud networking (AWS/Azure) is a plus.
* Automation/Scripting knowledge (Python, Ansible) preferred but not mandatory.
Experience
* 6–10+ years of strong experience in enterprise Network Security.
* Experience working in large, distributed, high‑availability environments.
* Proven track record of leading install, upgrade, migration, and decommission projects.
* Experience in handling major incidents and RCA documentation.
Soft Skills
* Excellent communication and documentation skills.
* Strong analytical and troubleshooting capability.
* Ability to lead changes independently and collaborate with global teams.
* Ability to mentor junior engineers.
Seniority level
* Mid‑Senior level
Employment type
* Contract
Job function
* Information Technology
Industries
* IT Services and IT Consulting
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