PRIMUS Global Solutions (PRIMUS UK & Europe)
Senior Network Security Engineer
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Senior Security Infrastructure Engineer
We are looking for a Senior Security Infrastructure Engineer with strong hands-on experience in F5, Zscaler and Palo Alto to own and support the customer’s security infrastructure estate.
Key Responsibilities
- Own security infrastructure, processes, documentation and lifecycle management.
- Act as the senior technical point of contact for security projects, firewall changes and escalations.
- Provide L3/L4 support for security incidents and liaise with vendors for complex issues.
- Design and support HLD/LLD, network architecture and infrastructure changes.
- Manage firewall policies, security changes, upgrades and EOL/EOS activities.
- Maintain hardware/software inventory and ensure infrastructure documentation is up to date.
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Must Have
- F5 – strong recent hands-on experience.
- Zscaler – ZIA/ZPA and troubleshooting.
- Palo Alto – firewall, security policies, VPN, NAT and troubleshooting.
- Strong knowledge of IPsec, SSL VPN, DMVPN, WAN and routing protocols.
- Enterprise network security and change/incident management experience.
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Nice to Have
- Check Point, Juniper, Blue Coat
- Cisco switching/routing, Wireless, IPT, QoS, 802.1X
- Infoblox DNS/DHCP/IPAM
- ITIL and HLD/LLD experience.
Experience
- 8+ years in Network Security / Infrastructure Engineering, with recent hands-on F5, Zscaler and Palo Alto experience.
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