Network Security Engineer
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Key skills for this role
About the Role
Simplix is hiring a seasoned Network Security Engineer to own, harden, and evolve enterprise network infrastructure in Doha, Qatar. The role requires deep expertise in Cisco, PaloAlto, Fortinet, and F5 technologies, along with 8-10 years of network security operations experience.
Key Skills for This Role
Responsibilities
- Operate and harden network devices including Cisco Nexus & Catalyst switches/routers, wireless controllers, Cisco ISE, F5 WAF, PaloAlto & Fortinet firewalls
- Maintain LAN/WAN/wireless infrastructure including patching, audits, upgrades, and change management
- Monitor datacenter health, respond to issues, and drive proactive security improvements aligned to CIS Controls and MITRE ATT&CK
- Collaborate with internal teams and external partners on network projects, documentation, and ticket resolution
Requirements
- 8–10 years in network security operations
- CCNP Enterprise & Security certification
- PCNSA / PCNSE certification
- F5 301 / 303 certification
- Experience with Cisco Nexus & Catalyst switches/routers, wireless controllers, Cisco ISE, F5 WAF, PaloAlto & Fortinet firewalls
- Knowledge of CIS Controls and MITRE ATT&CK frameworks
Full Job Posting
Network Security Engineer
- We're hiring a seasoned Network Security Engineer to own, harden, and evolve our client enterprise network infrastructure — spanning datacenters, campus environments, and cloud connected perimeters.
- If you live and breathe Cisco, PaloAlto, Fortinet, and F5, this role is built for you.
What You'll Own
- Operate and harden network devices — Cisco Nexus & Catalyst switches/routers, wireless controllers, Cisco ISE, F5 WAF, PaloAlto & Fortinet firewalls
- Maintain LAN/WAN/wireless infrastructure including patching, audits, upgrades, and change management
- Monitor datacenter health, respond to issues, and drive proactive security improvements aligned to CIS Controls® and MITRE ATT&CK®
- Collaborate with internal teams and external partners on network projects, documentation, and ticket resolution
Must Have Skills
- F5 BIG IP LTM / ASM / APM
- PaloAlto Firewall
- Fortinet FortiGate
- Cisco FTD
- Cisco ISE
- Cisco Nexus & Catalyst
- LAN / WAN Design & Troubleshooting
- CIS Controls® & MITRE ATT&CK® frameworks
Certifications
- CCNP Enterprise & Security (required)
- PCNSA / PCNSE (required)
- F5 301 / 303 (required)
- Additional security/network certifications (advantage)
Experience
- 8–10 years in network security operations
Location
- Doha, Qatar
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