Senior VoIP Engineer

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

📋 Description

• Take ownership of the design, engineering, and lifecycle management of enterprise VoIP and unified communications architecture across the NIPRNet, SIPRNet, and JWICS enclaves.

• Oversee the management of CUCM clusters, Unity Connection, IM&P, Expressway/SBCs, voice gateways and trunks, dial plans, E911, softphone/Jabber services, VTC bridges, and collaboration-platform integrations.

• Act as the Tier III/IV escalation authority for intricate voice and video incidents and PL1/PL2 outages.

• Analyze call detail records, traces, SIP/MGCP signaling, and QoS to identify root causes and implement permanent solutions.

• Serve as the Government's technical liaison by engaging with Cisco, OEMs, carriers, and DISN/DSN service providers.

• Lead voice and technical site surveys, capacity planning, engineering designs, installations, migrations, modernization efforts, and acceptance testing projects.

• Prepare Project Installation Plans, bills of materials, ROMs, and findings reports for Government approval.

• Implement changes during Saturday maintenance windows through formal Change Management processes, including rollback plans.

• Ensure compliance with STIG/SRG, manage firmware and patch baselines, handle ACAS remediation, RMF/ATO evidence, and maintain eMASS documentation.

• Provide VoIP availability data for the Customer Support Metrics Dashboard.

• Coordinate directly with network, security, facilities, and technician teams while managing schedules and technical risks.

• Mentor VoIP technicians and assist the Customer Communications Support Manager.

• Participate in after-hours emergency on-call response.

⛳️ Requirements

• Bachelor’s degree with a minimum of 7 years of relevant experience; alternatively, a Master’s degree with 3 years of related experience or an additional 4 years of relevant experience in lieu of a degree may be considered.

• Must be a U.S. Citizen.

• An Active Top Secret Clearance (favorably adjudicated T5/T5R) is required to start.

• Must be within the investigation scope and/or currently enrolled in Continuous Evaluation / Continuous Vetting.

• A current DoD 8570/8140 IAT Level III baseline certification (e.g., CASP+ CE, CISSP or Associate, CCNP Security, GCED, or GCIH) is necessary.

• At least 10 years of experience in engineering enterprise unified communications (VoIP, VTC, collaboration) infrastructure, including lead or architect-level responsibilities.

• 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 in leading installation, migration, or modernization projects and executing changes through formal Change Management during scheduled maintenance windows.

• Ability to participate in after-hours emergency on-call response and Saturday maintenance windows.

• Excellent skills in technical writing, briefing, and stakeholder communication.

• Ability to sit for extended periods.

• Ability to stand for extended periods.

• Capability to move throughout an office environment.

• Ability to navigate between multiple buildings.

• Ability to stoop, kneel, crouch, or crawl as necessary.

• Capacity to 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

• This is a salaried, FLSA-exempt position.

• Up to 25% travel is involved.

• We are a military-friendly employer dedicated to hiring and supporting active-duty and veteran employees.