Senior Voice Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Oversee the technical planning and implementation of designated VoIP, VTC, telephony, and collaboration projects or workstreams.

• Facilitate engineering activities across various technical domains, monitor dependencies and milestones, and assist with project deliverables.

• Provide technical expertise, evaluate engineering work products, address technical challenges, and mentor engineers.

• Recognize technical risks, constraints, assumptions, and dependencies, and suggest mitigation strategies.

• Assist with engineering estimates, bills of materials, staffing assumptions, implementation timelines, and effort levels.

• Examine operational, functional, technical, cybersecurity, performance, availability, and supportability requirements.

• Assess alternatives and conduct trade studies based on capability, cost, risk, interoperability, lifecycle, security, supportability, and complexity.

• Convert customer and program requirements into system, subsystem, interface, configuration, and testing specifications.

• Create and maintain both high-level and low-level designs, interface definitions, bills of materials, configuration baselines, implementation procedures, rollback plans, test plans, and as-built documentation.

• Organize and execute laboratory validation, interoperability testing, system testing, acceptance testing, and verification activities.

• Implement engineering, cybersecurity, configuration management, and quality assurance processes.

• Aid in the transition of new or modified solutions to operational status.

• 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.

• Create designs for 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.

• Conduct root-cause analysis and document corrective actions and lessons learned.

• Design and validate end-to-end QoS, encompassing DSCP, Layer 2 CoS, queuing, shaping, policing, call-admission control, bandwidth planning, and class-of-service mapping.

• Assess routing, switching, VLAN, firewall, NAT, DNS, certificate, and transport conditions impacting voice and video services.

• Assist with 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 take part in technical interchange meetings, peer reviews, architecture reviews, test-readiness reviews, and implementation-readiness reviews.

• Formulate technical recommendations and support technology modernization and product roadmap initiatives.

⛳️ Requirements

• A 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.

• Proven experience in leading the 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 understanding 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.

• Familiarity with VTC and collaboration technologies such as 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 equivalent 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.

• Proficient in using Wireshark, platform traces, SBC logs, call-detail records, monitoring systems, and other diagnostic tools.

• Ability to independently lead complex technical initiatives 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 a comparable certification is preferred.

• Current Microsoft, AudioCodes, Ribbon, Cisco, or comparable voice/collaboration certification is preferred.

• Experience with PowerShell, Python, REST APIs, and telephony automation is preferred.

• Experience supporting geographically distributed, highly available, or mission-critical voice and video environments is preferred.

• Equivalent relevant education, certifications, and hands-on experience may be considered.

🏝️ Benefits

• Competitive salary and performance-based incentives.

• Comprehensive health, dental, and vision insurance.

• Retirement savings plan with company matching.

• Opportunities for professional development and continuing education.

• Flexible working hours and remote work options.

• Supportive and collaborative work environment.