Senior Voice Engineer

Leidos

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

Posted 9/21/2026full-timeRemote • United StatesSenior💰 $107,900 - $195,050 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in VoIP, VTC, and collaboration systems, with a strong focus on technical planning, execution, and integration of complex projects. Proficient in requirements analysis, solution design, and providing technical guidance to engineering teams.

Highest-signal resume keywords

VoIP EngineeringTechnical Project LeadershipSIP ProtocolsCollaboration TechnologiesRequirements Analysis

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

VoIPVTCUnified CommunicationsSIPSDPRTP/RTCPH.323Network RoutingQoS Policy DesignTelephony Automation

Soft Skills

Decision-MakingProblem-SolvingCommunicationMentoringCustomer Management

Tools & Technologies

WiresharkAudioCodesCisco CUBEOracle SBCMicrosoft TeamsZoomCrestronPowerShellPythonREST APIs

Certifications & Qualifications

Cisco Certified Network Professional CollaborationMicrosoft Voice/Collaboration CertificationAudioCodes CertificationRibbon Certification

Industry Keywords

TelecommunicationsCybersecurityConfiguration ManagementDisaster RecoveryHigh AvailabilityInteroperability TestingTechnical Risk ManagementCapacity ManagementService ContinuityVoice Gateways

Tech Stack

Tools & technologies

CloudCyber SecurityDNSFirewallsOraclePythonSwitchingVoIP

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, track dependencies and milestones, and support project deliverables
Provide technical guidance, review engineering work products, resolve technical issues, and mentor engineers
Identify technical risks, constraints, assumptions, and dependencies and recommend 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 alternatives and trade studies based on capability, cost, risk, interoperability, lifecycle, 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, bills of material, 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 transition of new or modified solutions to operations
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
Design high availability, geographic redundancy, survivability, disaster recovery, capacity management, and service continuity
Configure, integrate, test, deploy, and troubleshoot IP telephony systems, SIP proxies, voice gateways, SBCs, VTC systems, and unified communications platforms
Perform root-cause analysis and document corrective actions and lessons learned
Design and validate end-to-end QoS, including DSCP, Layer 2 CoS, queuing, shaping, policing, call-admission control, bandwidth planning, and class-of-service mapping
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 leadership, 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-roadmap activities

Requirements

What you’ll need

Bachelor's degree in Computer Science, Information Technology, Telecommunications, Electrical Engineering, Systems Engineering, or a related field
Typically 8–12 years of relevant experience with a bachelor's degree, or 6–10 years with a master's degree
Progressive engineering experience in VoIP, VTC, enterprise telephony, unified communications, collaboration systems, networking, or a closely related technical discipline
Demonstrated experience leading technical execution of complex projects, workstreams, implementations, or engineering efforts involving multiple technologies or disciplines
Experience with 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
Strong knowledge of SIP, SDP, RTP/RTCP, SRTP, H.323, MGCP, ISDN/PRI, and related protocols
Experience with enterprise call-control platforms, dial plans, E.164 numbering, SIP trunks, PSTN connectivity, voice gateways, voicemail, and emergency calling
Experience with VTC and collaboration technologies including Cisco, Poly, Microsoft Teams Rooms, Zoom Rooms, Crestron, and Webex
Experience configuring and troubleshooting AudioCodes, Ribbon, Cisco CUBE, Oracle Communications Session Border Controller/Acme Packet, or comparable SBC platforms
Knowledge of IP networking, routing, switching, VLANs, firewalls, NAT, 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
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 without formal supervisory authority
Strong judgment, decision-making, verbal and written communication, customer and stakeholder-management, problem-solving, and knowledge-sharing 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, and telephony automation preferred
Experience supporting geographically distributed, highly available, or mission-critical voice and video environments preferred
Equivalent relevant education, certifications, and practical experience may be considered