Network Security Engineer
First seen by Alion on Aug 14, 2026.
Role & responsibilities :
Network Security Engineer - Routing & Switching, Load Balancing, Proxy :
The Role :
We're looking for a Network Security Engineer with strong Routing & Switching skills alongside Load Balancing and Proxy experience (e.g. Blue Coat, Zscaler). This is a hands-on engineering role covering project implementation, deployment, and troubleshooting.
What You'll Do :
- Design, configure, and troubleshoot routing protocols (BGP, OSPF) across enterprise networks.
- Configure and manage switching infrastructure to support secure, reliable connectivity.
- Implement and maintain firewall policies and rules to protect network traffic (firewall skills required, not looking for Data Centre-specific technologies).
- Deploy and manage load balancers (F5 or equivalent), configuring VIPs, health monitors, and traffic distribution.
- Configure and optimise proxy/secure web gateway solutions (Blue Coat, Zscaler, or similar), including policy-based access control, SSL inspection, and URL filtering.
- Produce clear design documentation (HLDs/LLDs) for network and security changes.
- Support project delivery from design through to implementation and go-live.
- Troubleshoot routing, switching, firewall, load balancing, and proxy issues as they arise.
What You'll Need :
- Strong hands-on experience with routing and switching (BGP, OSPF) - CCNP or CCIE level.
- Firewall configuration and troubleshooting experience.
- Experience with load balancing technologies (F5 or equivalent).
- Proxy/SWG experience across a mix of platforms (Blue Coat, Zscaler, or similar).
- Proven project engineering and implementation experience, not just BAU support.
- Strong troubleshooting skills across routing, switching, and security technologies.
- Clear communicator, comfortable producing technical documentation and working across teams.
Certifications :
- CCNP or CCIE (Routing & Switching) required.
- Firewall vendor certifications desirable (e.g. Fortinet NSE, Palo Alto PCNSE, Check Point CCSA/CCSE).
Skills
Network Security, IT Security Strategy, Cyber Investigations, Routing & Switching, CCNP, CCIE, Palo Alto Firewall, Fortigate Firewall, Load Balancing Tools, Zscaler, Bluecoat