Senior Security Engineer - F5 & Cisco Networking (Qatar)

Zero One Solutions; Qatar; On-site; QAR 300,000 - 540,000; Full time

Job summary

Zero One Solutions seeks an experienced Security Engineer to own enterprise load-balancing, gateway security, and routing architectures in Qatar on a contract basis. You will deploy F5 and Kemp solutions, manage PKI and certificates, and troubleshoot complex routing across routers, switches, and firewalls.

This role requires 10+ years of security/networking expertise, 24x7 operations, and close collaboration with IT teams and vendors to maintain high-availability platforms in a demanding

Qualifications

• 10+ years in network engineering, security, and infrastructure.
• 5+ years hands-on Cisco networking and core routing/switching.
• Strong PKI and certificate management experience, incl. CA trust.
• Physically available in Qatar for onboarding and operations.

Responsibilities

• Provide expert engineering support for Cisco devices, routers, switches, firewalls, and load balancers.
• Design/deploy F5 or Kemp load-balancing architectures in Qatar.
• Administer PKI infrastructure, certificates, CRL/OCSP, and CA trust bundles.
• Ensure 24x7 HA, incident response, and network bottleneck resolution.
• Document architectures, diagrams, and implementation plans for changes.

Skills

F5 TMOS/LTM/GTM/ASM/APM

Kemp load balancers

PKI certificate management

RIP/OSPF/BGP/MPLS

Cisco enterprise networking

SSL/TLS certificates

CA trust bundles

High-availability operations

Network security engineering

Documentation & planning

Tools

F5 TMOS

Kemp Load Balancer

Cisco IOS

Python/Ansible

Kubernetes Ingress

Job description

Zero One Solutions seeks an experienced Security Engineer to own enterprise load-balancing, gateway security, and routing architectures in Qatar on a contract basis. You will deploy F5 and Kemp solutions, manage PKI and certificates, and troubleshoot complex routing across routers, switches, and firewalls.

This role requires 10+ years of security/networking expertise, 24x7 operations, and close collaboration with IT teams and vendors to maintain high-availability platforms in a demanding