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Gregory Mullen is a seasoned Voice Network Engineer at TouchTone Communications since April 2015, specializing in the implementation and validation of network circuits and troubleshooting advanced network issues. Prior experience includes a role as Network Operations Engineer at TNCI from February 2004 to April 2015, where responsibilities encompassed Tier II and Tier III support, device configuration, and network stability. Gregory also held progressively responsible positions at TNCI, including Tier II NOC Analyst, Service Operations Supervisor, and Customer Support Specialist/Team Lead, contributing to team operations, policy development, and customer support excellence. Gregory holds a Bachelor of Science degree in Computer Science from Bridgewater State University.