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Defense Red Switch Network; DRSN Support Technician III
Job Description & How to Apply Below
Location: Scott Air Force Base
** Description*
* Our customer is the Defense Information Systems Agency (DISA) and 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 position directly supports the DISA-provided GIG capabilities and services in the 24x7 DISA Global Operations Center (DGOC). _Shift work to include nights and weekend duty is required._ _Position may include extended periods of sitting while on a computer or phone and speaking with customers._
The Leidos Digital Modernization Sector and DoD Enterprise and Cyber Operations (DECO) have an opening in our
** Defense Red Switch Network (DRSN) Support Technician III*
* ** at Scott AFB, IL.*
* **** Our anticipated salary range for this role is $65,000 - $75,000***
* This position requires
** U.S. citizenship with an active Top Secret clearance.*
* *
* Job Responsibilities:
** Responsible for performing, training team and developing processes for the following duties:
+ 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.
+ Proactively monitor network alarms across platform specific network management tools.
+ 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.
+ 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.
+ 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:
*
* + Hold DoD-8570 IAT Level 2 baseline certification (Security+ CE or equivalent) prior to start date.
+ Able to work in a 24x7 shift work environment.
+ Must have an active DoD Top Secret security clearance.
+ 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
+ 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.
** Required
Education & Experience:
*
* + Typically requires high school diploma or equivalent and 2 - 4 years of prior relevant experience.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
** Original Posting:*
* April 10, 2026
For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
** Pay Range:*
* Pay Range $48,100.00 - $86,950.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience,…
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