Leidos · 5 hours ago
Enterprise Voice Engineer IV
Scott AFB, IL
Full-time
Onsite
Senior Level, Lead/Staff
$92K/yr - $167K/yr
8+ years expLeidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. The Enterprise Voice Engineer IV will perform sustainment, maintenance, and problem management services to ensure the secure and reliable availability of DISA Voice Services.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
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. Must be organized, document oriented, possess skills in diagramming, and understand WAN principals
Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts
Design, configure and implement calling search spaces, route plans, route partitions, route lists and device profiles
Analyze and configure Cisco or Juniper routing and switching devices
Maintain distributed firewall infrastructure
Oversee and 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
Qualification
Required
Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement
In-depth experience with one or multiple Cisco, Avaya or Oracle voice platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura Application Server
In-depth 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
Currently possess an active TS/SCI security clearance
Requires BS degree and 8-12 years of prior relevant experience or Masters with 6-10 years of prior relevant experience. May possess a Doctorate in technical domain. (Or equivalent combination of education and/or experience.)
Preferred
In-depth knowledge of Secure Real-Time Transport Protocol (SRTP) including associated G.711 and G.729 codecs and Digital Tone Multi Frequency (DTMF)
In-depth experience with Cisco Unified Communications Manager and or Avaya Aura soft switches
In-depth experience with Oracle SBCs and other voice media gateway appliances
In-depth experience supporting distributed firewall infrastructure
In-depth experience creating/supporting IPSec MPLS VPN infrastructure
In-depth experience implementing and supporting BGP routing protocols
In-depth experience designing, configuring and troubleshooting QoS classification, marking and prioritization of network traffic (voice, critical applications, etc.)
Experience with IPSec implementation and troubleshooting
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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