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-timeQuantico • Virginia • United StatesSenior💰 $100,410 - $155,410 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expert-level knowledge of Cisco Unified Communications architecture and VoIP technologies, with a strong focus on engineering, compliance, and project management within secure communication environments. Proven ability to lead complex installations, migrations, and technology refresh projects while ensuring adherence to regulatory standards and effective stakeholder communication.

Highest-signal resume keywords

Cisco Unified Communications ArchitectureVoIP EngineeringSTIG ComplianceProject ManagementChange Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

CUCMUnity ConnectionSIPH.323MGCPRTP/SRTPIP NetworkingQuality of ServiceVideo Conferencing SystemsContact Center Technologies

Soft Skills

Technical WritingStakeholder CommunicationMentoring

Tools & Technologies

EMASSACASDISN/DSNMicrosoft Teams PhoneWebexZoom for GovernmentAdobe Connect

Certifications & Qualifications

Top Secret ClearanceDoD 8570/8140 IAT Level IIICASP+ CECISSPCCNP Security

Industry Keywords

Unified CommunicationsVoIPNIPRNetSIPRNetJWICSRMF/ATOChange ManagementDigital TwinITIL 4 FoundationISO/IEC 20000-1

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, class of service, E911, softphone services, VTC bridges, and collaboration integrations
Serve as Tier III/IV escalation authority for complex voice, video, PL1, and PL2 incidents
Analyze call detail records, traces, SIP/MGCP signaling, and QoS to identify root causes and engineer permanent fixes
Liaise with Cisco, OEMs, carriers, and DISN/DSN service providers as the Government technical liaison
Lead technical site surveys, capacity planning, engineering designs, installation, migration, and technology refresh projects
Author Project Installation Plans, bills of materials, ROMs, and findings reports for Government approval
Direct installation, configuration, migration, and acceptance testing of major communications projects
Manage project schedules, technical risks, and coordination with network, security, facilities, and technician teams
Execute changes during Saturday maintenance windows through formal Change Management with rollback plans
Own STIG/SRG compliance, firmware and patch baselines, ACAS remediation, and RMF/ATO evidence in eMASS
Provide VoIP availability data for the Customer Support Metrics Dashboard
Mentor VoIP technicians and support the Customer Communications Support Manager
Independently analyze situations, determine appropriate actions, and exercise discretion on matters significant to the program and customers

Requirements

What you’ll need

Bachelor's degree and a minimum of 10 years of related experience; Master's degree with 8 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, such as CASP+ CE, CISSP or Associate, CCNP Security, GCED, or GCIH
Minimum of 10 years of experience engineering enterprise unified communications infrastructure, including lead or architect-level responsibility
Expert-level knowledge of Cisco Unified Communications architecture, including CUCM, Unity Connection, Expressway, IM&P, gateways, and SBCs
Knowledge of dial plan design and SIP, H.323, MGCP, RTP/SRTP protocols
Strong understanding of IP networking and Quality of Service implementation within DoW networks, including JWICS, SIPRNet, and NIPRNet
Experience with enterprise video conferencing systems and contact center technologies
Experience leading RMF/ATO activities, STIG compliance, ACAS remediation, POA&Ms, and eMASS documentation
Experience leading installation, migration, or modernization projects and executing formal Change Management during 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
Desired: Cisco CCNP Collaboration or CCIE Collaboration; CISSP or CASP+ CE
Desired: Experience supporting DoW 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
Desired: ITIL 4 Foundation and ISO/IEC 20000-1 experience
Desired: Digital twin, lab, or pre-production validation experience
Desired: PMP or equivalent project management certification
Physical ability to sit and stand for long periods and ambulate throughout an office and between buildings

Benefits

Comp & perks

Base salary range of USD $100,410.00–$155,410.00 per year
Up to 10% travel involved
Support for active-duty and veteran employees
Merit-based hiring and promotion decisions
Equal employment opportunity protections
VEVRAA Federal Contractor