Jeff Christy Email & Phone Number

Littleton, Co, Us

Greater Denver Area

Greater Denver Area

• Administered and supported 300+ desktop workstations, 15+ printers, 10+ access points, and 250+ users runningcustomized kernel versions of Ubuntu, Windows, and Mac OS.• Helped convert office infrastructure from Doubleclick to Google standards. Installed new switches, routers, accesspoints, and deployed desktops, laptops, VOIP phones, video conferencing units, and blackberries to each user.• Documented and maintained knowledge base articles in a wiki for other helpdesk engineers.• Created setup and configuration articles for end‐users.

Network Administrator:Helped deploy and configure network monitoring system WhatsUP, Nagios, and MRTG to track all co‐located servers, internal customer end‐points, and direct end user network and bandwidth utilization for customer and internal facing tools.Designed, implemented and administered 100+ node VPN network for a major power company's field techs to login to secured servers and make updates to their power grid and usage statistics system.Created, installed and maintained a geographically diverse fault tolerant and load balanced point‐to‐point frame relay network infrastructure for a Medical Library to allow its users to connect to proprietary and protected medical databases.Maintained and supported redundant DS3 connections for hospitals that allowed them to maintain 100% uptime and network access for medical staff and patients.Setup and registered IP Address allocation and justification with ARIN.

System Administrator:Re‐designed, supported and maintained internal and customer facing Exchange and Qmail email systems with robust web mail interfaces using IIS and Apache infrastructure complete with SpamAssassin spam filtering, ClamAV antivirus, Active Directory and LDAP back ends.Created companies first redundant VOIP asterisk system for internal and customer facing telephony complete withinteractive voice response, automatic call routing, conferencing capability, voicemail, and common phone features.Designed and implemented custom server solutions to meet customer’s needs as simple as one server to redundantserver clusters with hardware pools and virtual VMware and Xen guest OS’s in access level VLAN’s.Expanded and maintained proprietary ColdFusion and Javascript ticketing, billing, contact resource management, radius, email, and bandwidth tracking systems.

Technical Support Agent:Provided phone support to 10k+ end users. Helped setup, configure, administer dialup, DSL, web hosting, and give limited system support for windows and Mac OS.Consistently rated highest on quality levels for technical knowledge and customer service.