John Endries is a network professional with certifications in Cisco CCNA, CCNA Voice, and Microsoft MCSA. He has over 15 years of experience working as an independent consultant and contractor on Cisco network equipment and Microsoft servers. His most recent contract positions were with Fiserv as a Network Operations Center analyst and Kohl's Department Store as a Network Configuration Analyst, where he performed tasks like network troubleshooting, VPN configuration, and remote equipment upgrades.