Spencer Duffy Email & Phone Number

Plano, Texas, United States

• Managed the monitoring and troubleshooting of numerous client accounts, notably includingShell Oil Co. and CVS.
• Worked extensively with HP Nonstop Tandem servers.
• Diligently ensured network integrity by conducting daily system monitoring and promptlyreporting any performance issues.
• Provided support in resolving intricate networking problems pertaining to LAN and WANcommunications.

• Ensured smooth operation of the converged charging network that handled billing andcharging for both prepaid and postpaid clients.
• Deployed and managed LAN, WAN, and wireless networks through configuring routers,switches, firewalls, and other hardware.
• Troubleshot and resolved network issues, ensuring seamless connectivity for both individualsand facilities.
• Executed various responsibilities related to EMM, OCC, CCN, AIR, NAP, and SDP devices.

• Maintained accountability for the functionality of the converged charging network, whichfacilitated billing and charging operations for both prepaid and postpaid clients.
• Managed regular upgrades and maintenance activities to maintain smooth businessoperations.
• Enhanced performance by replacing faulty or damaged network hardware components.
• Applied expertise in utilizing EMM, OCC, CCN, AIR, NAP and SDP devices effectively.

Frisco, Texas

• Managed the operation, maintenance, and daily checks of Packet Core devices while troubleshooting, resolving, and escalating any issues to Tier 2 teams.
• Executed tasks related to disaster recovery and conducted regular data backups to alleviateany potential damages.
• Performed operational tasks in accordance with stepwise decision trees, ensuring accuratedocumentation of network activities.
• Demonstrated proficiency in handling devices like GGSN/SGSN, PCRF, and PGWs

Frisco, Texas

• Maintained peak performance of T-Mobile circuits and backhaul through constanttroubleshooting and monitoring.
• Contributed to the successful rollout of new cell sites.
• Performed troubleshooting on microwave links and conducted regular maintenance on cellsites to support seamless customer usage.
• Extensive experience in managing cell-site base stations and T1 interfaces.

Frisco, Texas

• Ensured continuous monitoring of circuit status and promptly escalated issues to carrier forrestoration.
• Confirmed ownership of circuits or power issues and promptly reported them throughtrouble ticketing system.
• Facilitated learning and development of employees through education on emergingtechnologies

Associate’S Degree, Associates Of Applied Arts

Associate'S Degree