Jobs via Dice
Enterprise Voice Engineer III
The Defense Information Systems Agency (DISA) provides, operates, and assures command and control of the 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 capabilities and services.
Location: Scott AFB, IL
Salary Range:
$90,000 to $110,000
Clearance Requirement:
U.S. citizenship and an active TS/SCI clearance
Primary Responsibilities
Perform engineering tasks to maintain a large, complex, and highly resilient IP voice and video communications infrastructure.
Manage, configure, troubleshoot, and assure service supporting all aspects of a voice, video, and data network.
Perform system maintenance, support capacity planning activities, and complete configuration change actions and documentation.
Configure and implement calling search spaces, route plans, route partitions, route lists, and device profiles.
Analyze and configure Cisco and Juniper routing and switching devices.
Support distributed firewall infrastructure.
Develop technical policy, work instructions, and reporting in support of an enterprise IP telephony network.
Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call flows.
Analyze and resolve remote site registration, signaling, and media problems.
Validate change requests and ensure accuracy.
Perform fault analysis and configuration of voice subscribers, call handlers, and call routing rules.
Perform fault analysis and configuration of Cisco and/or Juniper routing and switching rules.
Basic Qualifications
DoD 8750 certification at IAT level II, Security+ CE, or equivalent.
Experience with Cisco, Avaya, or Oracle voice platforms including CUCM, Cisco Unity, CUBE, Oracle SBC, and Avaya Aura Application Server.
Expertise in SIP internetworking signaling and call flow.
Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security, and large-scale voice implementations.
Active Secret security clearance.
Preferred Qualifications
Working knowledge of SRTP, associated G.711 and G.729 codecs, and DTMF.
Experience with Cisco CUCM and/or Avaya Aura soft switches.
Experience with Oracle SBCs and other voice media gateway appliances.
Experience supporting distributed firewall infrastructure.
Experience creating and supporting IPSec MPLS VPN infrastructure.
Experience implementing and supporting BGP routing protocols.
Experience designing, configuring, and troubleshooting QoS classification, marking, and prioritization of network traffic.
Familiarity with IPSec implementation and troubleshooting.
Required Education & Experience
BS degree and 4–8 years of prior relevant experience, or MS degree and 2–6 years of prior relevant experience (or equivalent combination of education and/or experience).
We are the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it's always been done.”
Original Posting: October 9, 2025
#J-18808-Ljbffr
Location: Scott AFB, IL
Salary Range:
$90,000 to $110,000
Clearance Requirement:
U.S. citizenship and an active TS/SCI clearance
Primary Responsibilities
Perform engineering tasks to maintain a large, complex, and highly resilient IP voice and video communications infrastructure.
Manage, configure, troubleshoot, and assure service supporting all aspects of a voice, video, and data network.
Perform system maintenance, support capacity planning activities, and complete configuration change actions and documentation.
Configure and implement calling search spaces, route plans, route partitions, route lists, and device profiles.
Analyze and configure Cisco and Juniper routing and switching devices.
Support distributed firewall infrastructure.
Develop technical policy, work instructions, and reporting in support of an enterprise IP telephony network.
Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call flows.
Analyze and resolve remote site registration, signaling, and media problems.
Validate change requests and ensure accuracy.
Perform fault analysis and configuration of voice subscribers, call handlers, and call routing rules.
Perform fault analysis and configuration of Cisco and/or Juniper routing and switching rules.
Basic Qualifications
DoD 8750 certification at IAT level II, Security+ CE, or equivalent.
Experience with Cisco, Avaya, or Oracle voice platforms including CUCM, Cisco Unity, CUBE, Oracle SBC, and Avaya Aura Application Server.
Expertise in SIP internetworking signaling and call flow.
Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security, and large-scale voice implementations.
Active Secret security clearance.
Preferred Qualifications
Working knowledge of SRTP, associated G.711 and G.729 codecs, and DTMF.
Experience with Cisco CUCM and/or Avaya Aura soft switches.
Experience with Oracle SBCs and other voice media gateway appliances.
Experience supporting distributed firewall infrastructure.
Experience creating and supporting IPSec MPLS VPN infrastructure.
Experience implementing and supporting BGP routing protocols.
Experience designing, configuring, and troubleshooting QoS classification, marking, and prioritization of network traffic.
Familiarity with IPSec implementation and troubleshooting.
Required Education & Experience
BS degree and 4–8 years of prior relevant experience, or MS degree and 2–6 years of prior relevant experience (or equivalent combination of education and/or experience).
We are the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it's always been done.”
Original Posting: October 9, 2025
#J-18808-Ljbffr