Senior F5 Administrator - Jeddah, KSA

• Deep technical experience on F5 advanced WAF

• Identify and clean up unused or orphaned IP addresses on F5 BIG-IP load balancers to improve performance, efficiency, and manageability.

• Review, validate, and remove unused, duplicate, or obsolete firewall policies across HQ and DR data centers while maintaining security posture and compliance.

• Ensure firewall and load balancer changes are aligned with high availability (HA) and disaster recovery (DR) requirements.

Network & Security Assessment

• Perform a comprehensive assessment of all devices, applications, databases, and network components using public IP addresses.

• Analyze application, service, and security dependencies to determine the potential impact of IP, firewall, and load balancer changes.

• Classify firewall rules and DNS-related entries based on criticality, usage, activity level, and business relevance.

IP Addressing & DNS Governance

• Develop detailed cleanup and migration plans including sequencing, timelines, backups, and rollback procedures.

• Design and allocate private IP address ranges, ensuring compatibility with existing network and security architecture.

• Assess and analyze DNS records to identify unused, outdated, or invalid entries related to applications and security controls.

• Remove or update invalid, obsolete, or unnecessary DNS records while ensuring no impact on applications or end