David Barrios

Experience

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  Voltage Multipliers

  Apr 1986 - Jun 1998

  Machinist

  Design and fabricate aluminum & steel fixtures for the production of rectifier assemblies and voltage multipliers. I was proficient in the use of AutoCad for designing fixtures, Gibbs software for converting cad drawing to code. I used the following equipment to create fixtures, HASS CNC mill, Bridgeport mill and occasional use of lathe and other shop equipment. I also worked with the network administrator to help support workstations, printers and software.

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  SCT Tulare County

  Jun 1998 - Apr 2001

  Network Tech

  I worked in a dynamic environment where I was responsible for the day to day repair of pc’s, printers and computer software. I was also responsible for fixing and deploying servers. Another one of my responsibilities while I was employed there was rolling out new / replacement computers when projects required it.Setup and support the following: • Setup and support Cabletron Roamabout wireless access points.• Installation and support of Microsoft NT Workstation’s• Installation and support of Microsoft Windows 95 & 98 workstations• Installation and support of Procom CD-ROM towers • Install and Support the following software packages on client workstations: GroupWise 5.5, WordPerfect 6.0 WordPerfect 6.1 WordPerfect 8,Lotus Notes, MS Word, MS Excel• Install network printers and create network print Q’s• Implement and support Novell Zenworks.• Administer Novell 4 & 5 networks. Show less

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  Kaweah Delta Medical Center

  Jun 2001 - Apr 2013

  Network Administrator

  I was responsible for the Cisco Voice and Data networks. I also did some work on the Microsoft and Novell networks. The majority of my responsibilities were in voice and data. I also supported a full line of Cisco products I.E. • Windows Radius NPS for wireless device authentication• Cisco ACE Radius Servers• Installation and support of Windows Windows XP, Vista and Windows 7 workstations.• Cisco 3750, 2900, 3400ME Switches• Cisco Rourters 6500, 4500, 1700, 2600, 2800, 3800, 3900• Cisco Content Switch• Cisco VPN: Pix 500, ASA 5500, 3000 Concentrator• Call Manager 7.1• Unity 4.0• Emergency Responder 7.0 • Cisco UCCX• InformaCast Berbee used to deliver text and audio messages and Cisco phones.• Voice Gateways 224 and 248 • Cisco Phones, 7920, 7921, 7960, 7961 and softphone.• Implement and support SRST on remote routers.• Cisco Wireless Controller: WiSM, 4400, WLC2112• Cisco Wireless Access Points: 1100, 1200, 3500• Cisco Wireless Management: WLSE, WCS• Cisco Location Services: 2710 Location Server.• Use of Cognio wireless spectrum analyzer to maintain wireless network and troubleshoot wireless issues.• Ipswitch Whatsup used to monitor the health of the entire network.• CiscoWorks to monitor, maintain and backup Cisco devices• Plixer Netflow Analyzer used to monitor network traffic to remote sites. • Setup and support Nortel Accelar layer 3 swithces• Setup and support Nortel BayStack 450 switches.• Implement new projects and help administer the network for Kaweah Delta. Show less

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  Tulare County Office of Education

  May 2013 - now

  Network Engineer

  I am currently responsible for TCOE's Voice and Data networks, managing a large number of routers and a wide range of connection types form multiple ISP's.