# Defense Red Switch Network \(DRSN\) Support Technician - Company: [C3el]() - Location: Scott AFB, IL - Team: Network / Systems Administration - Posted: April 17, 2026 ## Job description ## Overview: **Job Title:** Defense Red Switch Network (DRSN) Support Technician **Security Clearance:** Top Secret **Location**: Scott AFB, IL ***(Due to the nature of the work and contract requirements, U.S. Citizenship is required.***) ## Description: C3EL is seeking a cleared professional to support our critical mission at Scott AFB in Illinois. Our customer, Defense Information Systems Agency (DISA), acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This Technician will directly support the DISA-provided GIG capabilities and services in our 24x7 DISA Global Operations Center (DGOC). *(This role is considered "Mission Essential" and may require supporting rotating shift work, which includes nights and weekends.)* **Responsibilities will include, but not be limited to:** * Create/update/resolve unclear problems and issues faced, utilizing a broad knowledge of the network architect, utilizing the Service Now platform. * Notify necessary points of contacts based on essential or heightened awareness networks, circuits or location incidents . * Execute network operations to include configuration and analysis of customer circuits across Time Division Multiplexing (TDM) and Session Initiated Protocol (SIP) trunks. * Work directly with customers, UC stakeholders, and leaders internal and external to the organization across multiple areas to ensure maximum network availability to minimize or eliminate mission and operational impact. * Support all customers to include providing global situational awareness support. * Verify that service has been restored upon resolution of all customer-initiated tickets. * Provide timely situational awareness to leadership and the impacted community within discovery and ticket creation using approved communication methods as outlined. * Proactively monitor network alarms across platform specific network management tools. * Record, assess, track, and monitor incident tickets escalated to operational infrastructure. * Utilize incident management applications to document all aspects of reported outages/degradations, isolations, escalations, and resolutions during the lifecycle of a service impacting network incident. * Perform configuration maintenance on route plans, route lists device profiles, calling search spaces, and route partitions. * Assess, identify and recommend resolutions to various network incidents and/or configuration deficiencies. * Develop and/or recommend solutions and processes pertaining to UC and DRSN operations. ## Minimum Qualifications: * U.S. Citizenship. * An active, in-scope US Government issued Top Secret clearance. * 2-4 yrs of relevant technical experience. * Current DoD-8570 IAT Level 2 baseline certification (Security+ CE, or equivalent). * Ability to work in a 24/7 shift work environment and travel up to 10%. * Knowledge in one or more of following: routers, switches, crypto devices, CISCO, Juniper, video teleconferencing (VTC), voice services, EVoIP/ECVoIP, VoSIP, fly-away kits, Defense Red Switch Network (DRSN), DSN Core. * Requires general understanding of both voice infrastructure and IP network topologies. ## Desired Qualifications: * Tech control facility or cyber transport experience. * Circuit actions experience. * Experience with MS Office suite, i.e. Outlook, Excel, Word, Access, PowerPoint, TEAMs. * Experience with one or more of the following: alarm surveillance, call routing, session initiated protocol, media call flow, packet capture analysis, Juniper IP technologies. ## Education: * A minimum of a High School diploma or equivalent is required. ## Apply [Apply on C3el]() Canonical job page: