Senior VoIP Engineer

Empower AI

. Own the design, engineering, and lifecycle of enterprise VoIP and unified communications architecture across NIPRNet, SIPRNet, and JWICS enclaves .

Posted 10/12/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert-level knowledge in Cisco Unified Communications architecture and VoIP infrastructure, with a strong focus on compliance, project management, and technical leadership. Proven ability to analyze and resolve complex voice and video incidents while ensuring high availability and performance in secure environments.

Highest-signal resume keywords

Cisco Unified Communications ArchitectureVoIP Infrastructure EngineeringSTIG Compliance and RMF/ATO ActivitiesChange Management ExecutionActive Top Secret Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cisco Unified Communications Manager (CUCM)Unity ConnectionSIP/MGCP SignalingQuality of Service (QoS)Dial Plan DesignVideo Conferencing SystemsContact Center TechnologiesProject Installation PlansCapacity PlanningTechnical Writing

Soft Skills

Stakeholder CommunicationMentoringTeam CoordinationProblem SolvingTechnical Leadership

Tools & Technologies

Poly Video ConferencingCisco ExpresswayIM&PSBCsEMASS DocumentationACASMicrosoft Teams PhoneWebexZoom for GovernmentITIL 4 Foundation

Certifications & Qualifications

DoD 8570/8140 IAT Level IIICASP+ CECISSPCCNP SecurityCCNP CollaborationCCIE CollaborationPMP

Industry Keywords

Enterprise VoIPUnified CommunicationsNIPRNetSIPRNetJWICSDepartment of WarIntelligence CommunitySecure CommunicationsChange ManagementEmergency On-Call Response

Tech Stack

Tools & technologies

PMPUnityVoIP

About the role

Key responsibilities & impact

Own the design, engineering, and lifecycle of enterprise VoIP and unified communications architecture across NIPRNet, SIPRNet, and JWICS enclaves
Manage CUCM clusters, Unity Connection, IM&P, Expressway/SBCs, voice gateways and trunks, dial plans, E911, softphone/Jabber services, VTC bridges, and collaboration-platform integrations
Serve as Tier III/IV escalation authority for complex voice and video incidents and PL1/PL2 outages
Analyze call detail records, traces, SIP/MGCP signaling, and QoS to determine root causes and engineer permanent fixes
Liaise with Cisco, OEMs, carriers, and DISN/DSN service providers as the Government's technical liaison
Lead voice and technical site surveys, capacity planning, engineering designs, installation, migration, modernization, and acceptance testing projects
Author Project Installation Plans, bills of materials, ROMs, and findings reports for Government approval
Execute changes during Saturday maintenance windows through formal Change Management with rollback plans
Own STIG/SRG compliance, firmware and patch baselines, ACAS remediation, RMF/ATO evidence, and eMASS documentation
Provide VoIP availability data for the Customer Support Metrics Dashboard
Direct coordination with network, security, facilities, and technician teams while managing schedule and technical risk
Mentor VoIP technicians and support the Customer Communications Support Manager
Participate in after-hours emergency on-call response

Requirements

What you’ll need

Bachelor's degree and a minimum of 7 years of related experience; a Master's degree with 3 years of related experience, or an additional 4 years of related experience in lieu of a degree, may be substituted
Must be a U.S. Citizen
Must have an Active Top Secret Clearance (favorably adjudicated T5/T5R) to start
Must be within investigation scope and/or currently enrolled in Continuous Evaluation / Continuous Vetting
Must possess and maintain a current DoD 8570/8140 IAT Level III baseline certification (e.g., CASP+ CE, CISSP or Associate, CCNP Security, GCED, or GCIH)
Minimum of 10 years of experience engineering enterprise unified communications (VoIP, VTC, collaboration) infrastructure, including lead or architect-level responsibility
Expert-level knowledge of Cisco Unified Communications architecture (CUCM, Unity Connection, Expressway, IM&P, gateways, SBCs), dial plan design, and voice/video protocols (SIP, H.323, MGCP, RTP/SRTP)
Strong understanding of IP networking and Quality of Service implementation within DoW networks (e.g., JWICS, SIPRNet, NIPRNet)
Proven experience with enterprise video conferencing systems (e.g., Poly, Cisco) and contact center technologies
Experience leading RMF/ATO activities for communications systems, including STIG compliance, ACAS remediation, POA&Ms, and eMASS documentation
Experience leading installation, migration, or modernization projects and executing changes through formal Change Management in scheduled maintenance windows
Ability to participate in after-hours emergency on-call response and Saturday maintenance windows
Excellent technical writing, briefing, and stakeholder communication skills
Sitting for long periods
Standing for long periods
Ambulate throughout an office
Ambulate between several buildings
Stoop, kneel, crouch, or crawl as required
Repeatedly lift and carry weight up to 30 pounds
Desired: Cisco CCNP Collaboration or CCIE Collaboration; CISSP or CASP+ CE
Desired: Experience supporting Department of War or Intelligence Community secure communications, including secure VTC, DISN/DSN, and DMCC-S
Desired: Experience integrating Cisco UC with Microsoft Teams Phone, Webex, Zoom for Government, or Adobe Connect
Desired: Experience with Cisco UCCX/Webex Contact Center supporting a high-volume enterprise service desk
Desired: ITIL 4 Foundation and experience aligning communications operations to ISO/IEC 20000-1
Desired: Experience with digital twin, lab, or pre-production validation of communications changes
Desired: PMP or equivalent project management certification

Benefits

Comp & perks

Salaried, FLSA-exempt position
Up to 25% travel involved
Military-friendly employer committed to hiring and supporting active-duty and veteran employees