Jonathan Erum is a highly accomplished and experienced Microsoft Certified Systems Engineer (MCSE) with a proven track record of success in the information technology (IT) field. Over the course of his 10-year career, Erum has held diverse job responsibilities ranging from desktop support to network administration and PBX/telecommunication work. He is particularly skilled at working with LAN and WAN technology, including firewalls, Cisco routers and switches, T1s, and fiber optic equipment.

Erum's extensive range of certifications, including COMPTIA A+, MCSE + Messaging, and MCSA 2003, make him a sought-after professional in the field of systems administration. He is particularly adept at managing complex Active Directory systems, as well as working with ArcServe, Backup Exec, Blackberry, Cisco, Citrix, Dell, DHCP, DNS, Exchange, Faxination, HP, NAS, QMACS, PBX, SAN, Systems Administration, Server, Terminal Services, and WAN networks.

Currently, Erum is Manager of Systems Administration at Pacific Dental Services, where he is responsible for overseeing the company's IT infrastructure and ensuring that its systems are running smoothly. Prior to this role, he served as a System Administrator at Syneron and a Sr. Network Technician/Associate Engineer at Schaller Anderson. Erum has also worked as a Technical Support professional at Advanced Cable Systems, Inc.

Overall, Jonathan Erum is a talented and experienced IT professional with a broad range of skills and certifications that make him an asset to any organization. Whether managing complex Active Directory systems, working with LAN and WAN technology, or overseeing large-scale IT infrastructure projects, Erum has proven himself to be a knowledgeable, dedicated, and hardworking professional whose skills are in high demand.