15 years in the industry has tought me to be able to handle any infrastructure gear out there.
My everyday life rolls around security and Palo Alto Networks firewalls but over times I have had extensive hands-on experience with wide variety of infrastructure gear and software solutions including but not limited to:
Backup: Avamar, VEEAM
Firewalls: Cisco ASA, Juniper, Palo Alto Networks, Sonicwall, Sophos
LAN: Cisco, Dell, HP
Monitoring: AlienVault, Nagios, VEEAM One, vRealize, Zenoss
SAN: Brocade, Cisco
Servers: Dell, HP, IBM