Defense Red Switch Network (DRSN) Support Technician III

Marathon TS • Reston, Virginia, United States • Posted May 16, 2026

Position Overview

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 impac...