William Calderon Email & Phone Number

Las Vegas, Nevada Area

Wins (Wholesale Integrated Network Support) Network Management Center• Monitor RBH (Reciprocal Back Haul) connections for issues up to the DMARK• Monitor RSL on microwave back hauls • Use Netcool to monitor issues on the overall network including power failure alarms, tunnel failure alarms, low voltage alarms, various RAN ( Radio Access Network) alarms. • Use NMS to search for link issues on the network• Use cacti for network core issues including mobile IP tunneling issues to our MVNO partners. • Check for account start and account stop log messages within the oplog on the AAA front ends to assist in troubleshooting device network entry issues on the network. • Use AD (Active Directory) to add MVNO employees to the domain. • Use AD to reset employee passwords when needed. • Perform check in/check out procedures for field techs at dispatched sites. • Ensure that end user usage IPDR files have been received from the AMDOCS platform and delivered to each MVNO without error. • Use various AMDOCS tools to ensure there have been no errors when the MVNO representatives add new accounts. • Wrote PHP tool for looking up BSIDs to find site numbers• Wrote AutoIt GUI for the WINS team to use to make finding network entry issues more efficient. • Wrote AutoIt GUI for the WINS team to make connecting to the jump servers and running the custom scripts on those servers efficient and faster successfully saving time when troubleshooting. • Wrote WiMax troubleshooting training documentation to provide a troubleshooting guide to assist the MVNO management team with training. • Lead conference bridges to assist with issues on the network that may affect the MVNO partners• Assist field techs with troubleshooting site issues.

• Successfully built company's server configuration, database server, and telephone system• Supported and maintained local phone connectivity and hookup• Supported and maintained local servers• Provided end-user support• Sole decision maker on all IT decisions• Attended daily company meetings, provided budget reports, providing presentations• Managed other IT employees

Pensacola, Florida Area

• Responsible for maintaining overall network stability• Monitoring outages, working trouble tickets that included telephony issues such as static on line, no dial tone, and call routing issues as well as data issues such as static routes, circuit issues, DSLAM card issues, ADSL issues. • Monitor all production servers and applications, report and escalate problems when necessary, and troubleshoot production issues• Conducting emergency bug fixes, feature releases, and customer migrations• Working with Tier 2 NOC as well as the field to resolve outages. • Worked directly with BELL and Field Representatives to resolve PSTN line issues, Voice Over T1 circuit issues and Voice Over t1 terminal and router configuration issues• Maintained on-call availability for 24X7 operations