Larry Coleman

Network Engineer @Insight Global

St. Louis, MI, US

DISA Global Field Command | GSMO-II | Network Operations Center – Unified CapabilitiesNetwork & Voice Controller| Tier II Support | Global Network Operations• Conducted advanced configuration and analysis of customer circuits across both Time Division Multiplexing (TDM) and Session Initiation Protocol (SIP) trunks to ensure optimal voice and data communication.• Delivered Tier II incident response and lifecycle management for service-impacting network events, utilizing tools such as ServiceNow, SolarWinds, NorthStar, and ADIMISS/ARDIMISS to document, isolate, escalate, and resolve issues.• Diagnosed and recommended resolutions for a wide range of network and configuration-related incidents, improving service reliability and reducing downtime.• Provided 24/7 operational support to a global user base of over customers, supporting mission-critical Unified Capabilities including DSN, EVOIP, ECVOIP, DRSN, DRSN-IP, Jabber, GVS, DET-TEK, SNLC, VTC, and SVTC.• Monitored and managed enterprise-level IP voice and video communications infrastructure, ensuring high availability and performance for secure voice and collaboration platforms.• Played a key role in the coordination of complex, integrated projects—balancing scope, cost, and risk across large-scale deployments of Unified Capabilities services.