{"id":4089418,"url":"https://alion.io/job/leidos-nen-solution-engineering-sr-voice-engineer-2","title":"NEN Solution Engineering – Sr. Voice Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":77,"open_postings":330,"ghost_share":0.003,"stale_share":0.888,"repost_share":0.012,"time_to_fill_p50_days":28,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Solutions","role_family":"Solutions","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":107900,"max":195050,"currency":"USD","period":"year","gross":null,"usd_annual":195050},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"Microsoft Teams","optional":false},{"name":"PKI","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Verification & Validation","optional":false},{"name":"VLAN","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-11-10T00:00:00Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-11T19:44:50Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"We are seeking a seasoned, hands-on Senior VoIP, VTC, and Telephony Solution Engineer to support the design, integration, validation, deployment, and sustainment of enterprise Unified Communications and Collaboration solutions.\nReporting to the Voice/VTC Manager, this position will serve as a senior technical contributor and may act as the technical lead for assigned projects, workstreams, or engineering efforts. The engineer will be responsible for developing solutions to complex technical problems that span multiple systems or disciplines and for helping ensure assigned solutions are secure, resilient, supportable, and operationally ready.\nThe engineer may provide technical direction, coordinate the work of engineers supporting an assigned project, review engineering products, and mentor less-experienced team members, but will not be responsible for employee performance management, staffing decisions, or organizational workforce planning.\nThe successful candidate will remain actively engaged in requirements analysis, alternatives analysis, solution architecture, detailed design, laboratory validation, implementation planning, system integration, testing, and Tier 3/Tier 4 engineering escalations. The position will work closely with Transport Engineering, Network Operations, Cybersecurity, program leadership, customers, telecommunications carriers, and technology vendors.\nKey Responsibilities\n1. Technical Project and Workstream Leadership\nTechnical Execution: Lead the technical planning and execution of assigned VoIP, VTC, telephony, and collaboration projects or workstreams.\nProject Coordination: Coordinate engineering activities across multiple technical areas, identify dependencies, track technical milestones, and support the timely completion of project deliverables.\nTechnical Direction: Provide technical guidance to engineers assigned to a project, review engineering work products, and help resolve technical issues that could affect cost, schedule, performance, or operational readiness.\nRisk Management: Identify technical risks, constraints, assumptions, and dependencies and recommend practical mitigation approaches to project and engineering leadership.\nEstimating and Planning: Support the development of engineering estimates, bills of material, staffing assumptions, implementation schedules, and levels of effort.\nTechnical Mentoring: Mentor and support other engineers through design reviews, peer reviews, troubleshooting activities, and knowledge-sharing sessions.\n2. Systems Engineering and Solution Lifecycle\nRequirements Analysis: Analyze operational, functional, technical, cybersecurity, performance, availability, and supportability requirements for assigned solutions.\nAlternatives and Trade Studies: Evaluate technical alternatives based on capability, cost, risk, interoperability, lifecycle status, security, supportability, and implementation complexity.\nRequirements Allocation: Translate customer and program requirements into system, subsystem, interface, configuration, and testing requirements.\nSolution Documentation: Develop and maintain high-level designs, low-level designs, interface definitions, bills of material, configuration baselines, implementation procedures, rollback plans, test plans, and as-built documentation.\nVerification and Validation: Plan and perform laboratory validation, interoperability testing, system testing, acceptance testing, and other verification activities needed to confirm that solutions satisfy defined requirements.\nConfiguration and Quality Control: Apply established engineering, cybersecurity, configuration-management, and quality-assurance processes throughout the solution lifecycle.\nOperational Transition: Support the transition of new or modified solutions to operations by confirming that monitoring, documentation, support procedures, training requirements, and operational dependencies have been addressed.\n3. Voice, Video, and Collaboration Solution Engineering\nSolution Design: Design and integrate enterprise voice, video teleconferencing, Session Initiation Protocol, Session Border Controller, telephony, and collaboration solutions.\nEnterprise Telephony: Engineer enterprise dial plans, E.164 number normalization, digit manipulation, call routing, SIP trunking, carrier interconnections, PSTN services, voice gateways, voicemail, and emergency-calling capabilities.\nVTC and Collaboration: Design and integrate multi-vendor VTC and audiovisual collaboration environments, including Cisco Room Series and Webex devices, Poly, Microsoft Teams Rooms, Crestron, Zoom Rooms, and comparable technologies.\nCloud and Hybrid Integration: Develop integrations between on-premises voice infrastructure and cloud collaboration platforms such as Microsoft Teams Phone, Direct Routing, Operator Connect, Webex Calling, and comparable services.\nAvailability and Resiliency: Develop technical requirements and designs for high availability, geographic redundancy, survivability, disaster recovery, capacity management, and service continuity.\nTechnology Evaluation: Conduct product evaluations, proof-of-concept activities, interoperability testing, and technical risk assessments for new or replacement voice, video, and collaboration technologies.\nTechnical Roadmaps: Contribute technical analysis, lifecycle data, recommendations, and implementation considerations to technology-modernization and product-roadmap activities.\n4. Hands-On Engineering and Technical Escalation\nConfiguration and Deployment: Configure, integrate, test, and deploy IP telephony systems, SIP proxies, voice gateways, Session Border Controllers, VTC systems, and unified communications platforms.\nSession Border Controllers: Configure and troubleshoot enterprise SBC technologies, including AudioCodes, Ribbon, Cisco CUBE, Oracle Communications Session Border Controller/Acme Packet, or comparable platforms.\nComplex Troubleshooting: Resolve complex voice and video problems involving call routing, signaling, media negotiation, interoperability, packet loss, jitter, latency, one-way audio, call quality, and service availability.\nRoot-Cause Analysis: Perform detailed technical investigations, identify underlying causes, develop corrective actions, and document lessons learned.\nQoS and Transport Integration: Collaborate with Transport and Network Engineering to design and validate end-to-end Quality of Service, including DSCP and Layer 2 Class of Service marking, queuing, shaping, policing, call-admission control, bandwidth planning, and class-of-service mapping.\nNetwork Analysis: Evaluate routing, switching, VLAN, firewall, Network Address Translation, DNS, certificate, and transport conditions that affect voice and video services.\nMonitoring and Service Assurance: Support monitoring, alerting, call-quality analytics, call-detail records, capacity reporting, and trend analysis for enterprise voice and video services.\n5. Stakeholder and Vendor Coordination\nCross-Functional Collaboration: Work with Transport Engineering, Network Operations, Cybersecurity, program management, customers, and operations personnel to align technical solutions with infrastructure, security, and operational requirements.\nTechnical Communication: Explain technical issues, risks, alternatives, and recommendations to engineers, project leaders, client team members, and other stakeholders.\nDesign Reviews: Lead or participate in technical interchange meetings, peer reviews, architecture reviews, test-readiness reviews, and implementation-readiness reviews.\nVendor Coordination: Coordinate technical activities with equipment manufacturers, software providers, telecommunications carriers, SIP service providers, subcontractors, and system integrators.\nTechnical Influence: Develop well-supported technical recommendations and work with project and engineering leaders to gain acceptance of proposed designs, processes, or corrective actions.\nRequired Experience and Education\nMust be a U.S. Citizen with the ability to obtain a Secret Security Clearance.\nProfessional Experience: 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.\nTechnical Background: Progressive engineering experience in VoIP, VTC, enterprise telephony, unified communications, collaboration systems, networking, or a closely related technical discipline.\nProject Leadership: Demonstrated experience leading the technical execution of complex projects, workstreams, implementations, or engineering efforts that involve multiple technologies or technical disciplines.\nEngineering Lifecycle: Experience performing requirements analysis, solution design, alternatives analysis, integration, testing, implementation planning, documentation, and transition to operations.\nTechnical Mentoring: Experience providing technical guidance, peer review, training, or mentoring to other engineers. Formal supervisory or people-management experience is not required.\nEducation: Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Electrical Engineering, Systems Engineering, or a related field.\nPreferred Technical Proficiencies\nVoIP and Telephony Protocols: Strong knowledge of SIP, SDP, RTP/RTCP, SRTP, H.323, MGCP, ISDN/PRI, and related signaling and media protocols.\nCall-Control Platforms: Experience with enterprise platforms such as Cisco Unified Communications Manager, Cisco Unity Connection, Microsoft Teams Phone, or comparable on-premises and cloud-based call-control systems.\nDial Plans and Carrier Services: Experience with enterprise dial plans, E.164 numbering, digit manipulation, SIP trunks, PSTN connectivity, carrier interconnections, voice gateways, voicemail, and emergency calling.\nVTC and Collaboration Systems: Experience designing, integrating, deploying, or supporting Cisco, Poly, Microsoft Teams Rooms, Zoom Rooms, Crestron, Webex, or comparable collaboration technologies.\nSession Border Controllers: Experience configuring and troubleshooting AudioCodes Mediant, Ribbon SBC, Oracle Communications Session Border Controller/Acme Packet, Cisco CUBE, or comparable SBC platforms.\nCloud and Hybrid Voice: Experience integrating on-premises telephony with cloud collaboration services, including Microsoft Teams Direct Routing, Operator Connect, Webex Calling, or comparable platforms.\nNetwork and QoS Analysis: 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.\nSecurity and Identity: Working knowledge of SIP TLS, mutual TLS, SRTP, certificates and PKI, directory services, identity integration, secure configuration baselines, vulnerability remediation, and configuration management.\nTroubleshooting Tools: Demonstrated ability to use Wireshark, platform traces, SBC logs, call-detail records, monitoring systems, and other diagnostic tools to isolate signaling, media, network, and interoperability problems.\nLeadership and Communication Skills\nAbility to independently lead complex technical efforts while collaborating effectively with project managers, engineering leaders, customers, and operations personnel.\nAbility to provide technical direction and mentorship without relying on formal supervisory authority.\nStrong judgment and decision-making skills, including the ability to evaluate alternatives and balance technical performance, cost, schedule, risk, security, and supportability.\nStrong verbal and written communication skills, with the ability to explain complex technical concepts, risks, and recommendations to technical and nontechnical stakeholders.\nAbility to influence project and team leaders through sound engineering analysis, clear documentation, and well-supported recommendations.\nStrong customer and stakeholder-management skills, including t...","description_format":"text","description_chars":14375,"description_truncated":true,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Information Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-11T19:44:50Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"route":null,"cap_exempt":false,"checked_at":"2026-11-11T07:38:50+00:00","sources":["US Department of Labor: LCA disclosure 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