Senior Voice Engineer

Leidos

. Lead technical planning and execution of assigned VoIP, VTC, telephony, and collaboration projects or workstreams .

Posted 11/10/2026full-timeRemote • United StatesSenior💰 $107,900 - $195,050 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in leading VoIP, VTC, and collaboration projects, with a strong focus on technical execution, requirements analysis, and system integration. Proficient in configuring and troubleshooting complex telephony systems and ensuring high availability and performance in mission-critical environments.

Highest-signal resume keywords

VoIP EngineeringTechnical Project LeadershipSIP and Media ProtocolsCisco Unified CommunicationsCybersecurity and Configuration Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

VoIP EngineeringTechnical Requirements AnalysisSystem IntegrationConfiguration ManagementNetwork Routing and SwitchingQuality Assurance ProcessesDisaster Recovery PlanningPerformance TestingRoot-Cause AnalysisCapacity Management

Soft Skills

Technical GuidanceMentoringDecision-MakingProblem-SolvingCommunication Skills

Tools & Technologies

Cisco Unified Communications ManagerMicrosoft Teams PhoneAudioCodes MediantRibbon SBCWiresharkPowerShellREST APIsZoom RoomsWebex CallingCrestron

Certifications & Qualifications

Cisco Certified Network Professional CollaborationMicrosoft Collaboration CertificationAudioCodes CertificationRibbon Certification

Industry Keywords

TelephonyUnified CommunicationsCollaboration SystemsCybersecurityNetwork Address TranslationE.164 NumberingPSTN ConnectivityHigh AvailabilityMission-Critical EnvironmentsInteroperability

Tech Stack

Tools & technologies

CloudCyber SecurityDNSFirewallsOraclePythonSwitchingUnityVoIP

About the role

Key responsibilities & impact

Lead technical planning and execution of assigned VoIP, VTC, telephony, and collaboration projects or workstreams
Coordinate engineering activities across multiple technical areas, dependencies, milestones, and deliverables
Provide technical guidance, review engineering work products, resolve technical issues, and mentor engineers
Identify technical risks, constraints, assumptions, dependencies, and mitigation approaches
Support engineering estimates, bills of material, staffing assumptions, implementation schedules, and levels of effort
Analyze operational, functional, technical, cybersecurity, performance, availability, and supportability requirements
Evaluate technical alternatives and conduct trade studies based on capability, cost, risk, interoperability, security, supportability, and complexity
Translate customer and program requirements into system, subsystem, interface, configuration, and testing requirements
Develop and maintain high-level and low-level designs, interface definitions, configuration baselines, implementation procedures, rollback plans, test plans, and as-built documentation
Plan and perform laboratory validation, interoperability testing, system testing, acceptance testing, and verification activities
Apply engineering, cybersecurity, configuration-management, and quality-assurance processes
Support operational transition by confirming monitoring, documentation, support procedures, training requirements, and dependencies
Design and integrate enterprise voice, video teleconferencing, SIP, Session Border Controller, telephony, and collaboration solutions
Engineer dial plans, E.164 normalization, digit manipulation, call routing, SIP trunking, carrier interconnections, PSTN services, voice gateways, voicemail, and emergency calling
Design and integrate multi-vendor VTC and audiovisual collaboration environments
Develop on-premises voice and cloud collaboration integrations, including Microsoft Teams Phone, Direct Routing, Operator Connect, and Webex Calling
Develop designs for high availability, geographic redundancy, survivability, disaster recovery, capacity management, and service continuity
Configure, integrate, test, and deploy IP telephony systems, SIP proxies, voice gateways, SBCs, VTC systems, and unified communications platforms
Configure and troubleshoot AudioCodes, Ribbon, Cisco CUBE, Oracle Communications SBC/Acme Packet, or comparable SBC technologies
Resolve complex voice and video issues involving routing, signaling, media negotiation, interoperability, packet loss, jitter, latency, one-way audio, call quality, and availability
Perform root-cause analysis and document corrective actions and lessons learned
Design and validate end-to-end QoS with Transport and Network Engineering
Evaluate routing, switching, VLAN, firewall, NAT, DNS, certificate, and transport conditions affecting voice and video services
Support monitoring, alerting, call-quality analytics, call-detail records, capacity reporting, and trend analysis
Collaborate with engineering, operations, cybersecurity, program management, customers, carriers, vendors, subcontractors, and system integrators
Lead or participate in technical interchange meetings, peer reviews, architecture reviews, test-readiness reviews, and implementation-readiness reviews
Develop technical recommendations and support technology modernization and product roadmaps

Requirements

What you’ll need

Must be a U.S. Citizen with the ability to obtain a Secret Security Clearance
Typically requires a bachelor’s degree and 8–12 years of relevant experience, or a master’s degree and 6–10 years of relevant experience
Equivalent relevant education, certifications, and practical experience may be considered
Progressive engineering experience in VoIP, VTC, enterprise telephony, unified communications, collaboration systems, networking, or a closely related technical discipline
Demonstrated experience leading the technical execution of complex projects, workstreams, implementations, or engineering efforts involving multiple technologies or technical disciplines
Experience performing requirements analysis, solution design, alternatives analysis, integration, testing, implementation planning, documentation, and transition to operations
Experience providing technical guidance, peer review, training, or mentoring to other engineers
Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Electrical Engineering, Systems Engineering, or a related field
Strong knowledge of SIP, SDP, RTP/RTCP, SRTP, H.323, MGCP, ISDN/PRI, and related signaling and media protocols
Experience with Cisco Unified Communications Manager, Cisco Unity Connection, Microsoft Teams Phone, or comparable call-control systems
Experience with enterprise dial plans, E.164 numbering, digit manipulation, SIP trunks, PSTN connectivity, carrier interconnections, voice gateways, voicemail, and emergency calling
Experience designing, integrating, deploying, or supporting Cisco, Poly, Microsoft Teams Rooms, Zoom Rooms, Crestron, Webex, or comparable collaboration technologies
Experience configuring and troubleshooting AudioCodes Mediant, Ribbon SBC, Oracle Communications Session Border Controller/Acme Packet, Cisco CUBE, or comparable SBC platforms
Experience integrating on-premises telephony with cloud collaboration services such as Microsoft Teams Direct Routing, Operator Connect, or Webex Calling
Strong working knowledge of IP networking, routing, switching, VLANs, firewalls, Network Address Translation, SIP and media traversal, packet analysis, QoS policy design, and bandwidth planning
Working knowledge of SIP TLS, mutual TLS, SRTP, certificates and PKI, directory services, identity integration, secure configuration baselines, vulnerability remediation, and configuration management
Demonstrated ability to use Wireshark, platform traces, SBC logs, call-detail records, monitoring systems, and other diagnostic tools
Ability to independently lead complex technical efforts and provide technical direction and mentorship
Strong judgment, decision-making, verbal and written communication, customer and stakeholder-management, and problem-solving skills
Cisco Certified Network Professional Collaboration or comparable certification preferred
Current Microsoft, AudioCodes, Ribbon, Cisco, or comparable voice/collaboration certification preferred
Experience with PowerShell, Python, REST APIs, or comparable technologies preferred
Experience supporting geographically distributed, highly available, or mission-critical voice and video environments preferred