Keith Holler

Experience

• 

  Palo Verde Nuclear Power Plant

  Jan 1985 - Jan 1986

  Systems Analyst/Level II Computer Programmer
• 

  AZCAPPY Network Services

  Jan 1995 - now

  Owner/Senior Network Engineer

  Cloud hosting infrastructure and security protocols design and implementation.

• 

  Kenda Systems

  Mar 1998 - Apr 2001

  Network Engineer

  Network Administration: Monitored system performance and usage for offices in the United States. Maintained user accounts and monitored LAN/WAN security. Servers included Windows NT 4.0, Windows 200 Server/Advanced Server, OpenBSD and Red Hat Linux Enterprise. Workstations included Windows 95/98, Windows NT 4.0 Workstation and Windows 2000 Professional. Server software maintained included Microsoft Exchange 5.5, Lotus Domino R5, EZAccess, Faxination, ArcServ and Backup Exec. Has extensive knowledge and experience with Cisco 1600/2600 series routers, Ascend routers, Bay Networks hubs, HP managed/non-managed switches, Cisco 1900 series switches and 3COM. Configured and used OpenBSD as company firewalls effectively. Also served as the company webmaster and provided web site and web application design/development.Network Design/Implementation: Worked closely with MCI Worldcom, AT&T and PSI to design optimal office connectivity with redundant backups for disaster recovery for 15 offices in the United States and 3 offices in Europe. Supervised contractor cabling office networks/telco installations.Technical Support/Training: Provided technical support for all branch office end users. Made periodic trips to branch offices to repair problems unable to be corrected remotely and to instruct branch office end users in proper system, software and network usage. Show less

• 

  Instructor

  Feb 2000 - Apr 2001

  AIBT (Arizona Insitute of Business Technology)

  Instructor for CT106 - Windows NT 4.0 Networking (MCSE 70-073 equivalent) night classes as part of AIBT's Associate Degree and Diploma program.

• 

  Qwest Communitcations

  Jun 2001 - May 2002

  Senior Network Engineer

  Performed site surveys, LAN/WAN design/documentation and pre-implementation site walks for all Arizona K-12 schools as part of the Students FIRST Project integrating Cisco products and pre-existing legacy equipment.