Role Summary The DRSN Support Technician III supports DISA Global Operations Center operations at Scott AFB, providing mission-critical support for DISA, DISN, GIG, and Defense Red Switch Network services. The role focuses on voice infrastructure, Unified Communications, circuit monitoring, incident response, service restoration, and operational support for DoD and national security customers. Key Responsibilities: Create, update, track, and resolve incidents using ServiceNow and approved incident management tools. Monitor network alarms across platform-specific tools and maintain situational awareness during outages or service degradations. Support customer circuits, TDM, SIP trunks, voice services, Unified Communications, and DRSN operations. Notify required contacts for network, circuit, location, or heightened-awareness incidents. Coordinate with customers, UC stakeholders, internal teams, external partners, and leadership to maintain network availability. Document outages, degrada...