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Enterprise Voice Engineer IV - Careers at Leidos

Leidos

Enterprise Voice Engineer IV - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Enterprise Voice Engineer IV - Leidos Digital Modernization Sector

Join Leidos in supporting the Defense Information Systems Agency (DISA) on the Global Solutions Management-Operations II (GSMO-II) contract. This critical role at Scott AFB, IL (Shiloh vicinity) ensures secure, reliable DISN voice services for DoD and national security missions. Outthink, outbuild, and outpace the status quo with us.

Key Responsibilities

  • Engineer and maintain complex IP voice/video networks, including system maintenance, capacity planning, and configuration changes.
  • Design and implement Cisco CUCM calling search spaces, route plans, partitions, lists, and profiles.
  • Troubleshoot SIP call-flows, remote registrations, media issues, and advanced faults in routing/switching/security.
  • Manage Cisco/Juniper devices, distributed firewalls, and voice gateways like CUBE and Oracle SBC.
  • Develop processes, train teams, create technical policies, and validate change requests for enterprise telephony.

Basic Qualifications

  • BS + 8-12 years or MS + 6-10 years relevant experience; active TS/SCI clearance required.
  • DoD 8750 IAT II (Security+ CE or equiv.); deep expertise in Cisco/Avaya/Oracle voice platforms and SIP.
  • Proven fault isolation in large-scale voice, routing, and switching environments.

Preferred Qualifications

  • SRTP with G.711/G.729 codecs, DTMF; CUCM/Avaya Aura; Oracle SBCs; distributed firewalls.
  • IPSec MPLS VPN, BGP, QoS design/troubleshooting; IPSec implementation.

Leidos offers dynamic growth in defense IT. U.S. citizenship and TS/SCI mandatory. Apply now to disrupt and excel.

Locations

  • Shiloh, Illinois, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Cisco Unified Communications Manager (CUCM)intermediate
  • SIP signaling and call-flowsintermediate
  • Cisco Unified Border Element (CUBE)intermediate
  • Oracle Session Border Controller (SBC)intermediate
  • Avaya Aura Application Serverintermediate
  • Cisco/Juniper routing and switchingintermediate
  • Secure Real-Time Transport Protocol (SRTP)intermediate
  • IPSec MPLS VPN and BGPintermediate
  • QoS configuration and troubleshootingintermediate
  • Distributed firewall managementintermediate

Required Qualifications

  • BS degree + 8-12 years relevant experience or MS + 6-10 years (experience)
  • Active TS/SCI security clearance (experience)
  • DoD 8750 IAT Level II certification (Security+ CE or equivalent) (experience)
  • In-depth experience with Cisco, Avaya, or Oracle voice platforms (experience)
  • Advanced fault analysis for large-scale voice networks (experience)

Responsibilities

  • Maintain large-scale IP voice/video infrastructure including sustainment, maintenance, and change management
  • Configure calling search spaces, route plans, partitions, lists, and device profiles
  • Troubleshoot SIP signaling, remote site registration, media issues, and complex network faults
  • Analyze and configure Cisco/Juniper routing, switching, and distributed firewalls
  • Develop processes, train team, oversee technical policy, and validate change requests
  • Perform capacity planning, fault analysis on voice subscribers, call handlers, and routing rules

Benefits

  • general: Competitive salary range $92,300 - $166,850 USD
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Paid time off, holidays, and flexible work options
  • general: Mission-critical DoD support with career growth opportunities

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Jobs in Shiloh ILLeidos CareersDefense IT JobsVoice EngineeringScott AFBEngineeringInformation TechnologySecurity

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Leidos logo

Enterprise Voice Engineer IV - Careers at Leidos

Leidos

Enterprise Voice Engineer IV - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Enterprise Voice Engineer IV - Leidos Digital Modernization Sector

Join Leidos in supporting the Defense Information Systems Agency (DISA) on the Global Solutions Management-Operations II (GSMO-II) contract. This critical role at Scott AFB, IL (Shiloh vicinity) ensures secure, reliable DISN voice services for DoD and national security missions. Outthink, outbuild, and outpace the status quo with us.

Key Responsibilities

  • Engineer and maintain complex IP voice/video networks, including system maintenance, capacity planning, and configuration changes.
  • Design and implement Cisco CUCM calling search spaces, route plans, partitions, lists, and profiles.
  • Troubleshoot SIP call-flows, remote registrations, media issues, and advanced faults in routing/switching/security.
  • Manage Cisco/Juniper devices, distributed firewalls, and voice gateways like CUBE and Oracle SBC.
  • Develop processes, train teams, create technical policies, and validate change requests for enterprise telephony.

Basic Qualifications

  • BS + 8-12 years or MS + 6-10 years relevant experience; active TS/SCI clearance required.
  • DoD 8750 IAT II (Security+ CE or equiv.); deep expertise in Cisco/Avaya/Oracle voice platforms and SIP.
  • Proven fault isolation in large-scale voice, routing, and switching environments.

Preferred Qualifications

  • SRTP with G.711/G.729 codecs, DTMF; CUCM/Avaya Aura; Oracle SBCs; distributed firewalls.
  • IPSec MPLS VPN, BGP, QoS design/troubleshooting; IPSec implementation.

Leidos offers dynamic growth in defense IT. U.S. citizenship and TS/SCI mandatory. Apply now to disrupt and excel.

Locations

  • Shiloh, Illinois, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Cisco Unified Communications Manager (CUCM)intermediate
  • SIP signaling and call-flowsintermediate
  • Cisco Unified Border Element (CUBE)intermediate
  • Oracle Session Border Controller (SBC)intermediate
  • Avaya Aura Application Serverintermediate
  • Cisco/Juniper routing and switchingintermediate
  • Secure Real-Time Transport Protocol (SRTP)intermediate
  • IPSec MPLS VPN and BGPintermediate
  • QoS configuration and troubleshootingintermediate
  • Distributed firewall managementintermediate

Required Qualifications

  • BS degree + 8-12 years relevant experience or MS + 6-10 years (experience)
  • Active TS/SCI security clearance (experience)
  • DoD 8750 IAT Level II certification (Security+ CE or equivalent) (experience)
  • In-depth experience with Cisco, Avaya, or Oracle voice platforms (experience)
  • Advanced fault analysis for large-scale voice networks (experience)

Responsibilities

  • Maintain large-scale IP voice/video infrastructure including sustainment, maintenance, and change management
  • Configure calling search spaces, route plans, partitions, lists, and device profiles
  • Troubleshoot SIP signaling, remote site registration, media issues, and complex network faults
  • Analyze and configure Cisco/Juniper routing, switching, and distributed firewalls
  • Develop processes, train team, oversee technical policy, and validate change requests
  • Perform capacity planning, fault analysis on voice subscribers, call handlers, and routing rules

Benefits

  • general: Competitive salary range $92,300 - $166,850 USD
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Paid time off, holidays, and flexible work options
  • general: Mission-critical DoD support with career growth opportunities

Target Your Resume for "Enterprise Voice Engineer IV - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Enterprise Voice Engineer IV - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Enterprise Voice Engineer IV - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Shiloh ILLeidos CareersDefense IT JobsVoice EngineeringScott AFBEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Enterprise Voice Engineer IV - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.