Requirements:

Expertise in Firewall security (Palo Alto, fortigate and Azure Cloud Network)
Configuration experience on HP Aruba and cisco IOS.
Layer 2 and 3 configurations and troubleshooting skills.
Knowledge of common routing protocols, EIGRP, OSPF, BGP, etc.
Experience with firewall configuration and troubleshooting.
Experience with Load Balancer configuration and troubleshooting (Experience with F5 and Barracuda is a plus).
Experience implementing and managing public and private DNS.
Deep understanding of common technologies like Global Load Balancing, public key cryptography, QOS, VPN, MPLS.
Familiar with IIS troubleshooting and configuration.