Senior Voice Engineer

🔥 33 minutes ago

🇺🇸 United States – Remote

💵 $107.9k - $195.1k / year

⏰ Full Time

🟠 Senior

👷🏻‍♀️ Engineer

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Leidos

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1969

🏥 Healthcare

💼 Consulting

📦 Logistics

Healthcare • Consulting • Logistics

Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.

📋 Description

• 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

• 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

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