VoIP & DoD C2 Network Engineer

CACI; Washington (District of Columbia); On-site; USD 104,000 - 218,000; Full time

Job summary

CACI is seeking an experienced VoIP Network Engineer / Telecommunications Engineer to support the design, installation, operation, and sustainment of a DoD voice network. The role involves end-to-end engineering for enterprise voice, video, conferencing, and telecommunications services within a government setting.

The ideal candidate will have hands-on experience with Cisco IP communications, call-processing technologies, and security, working in a DoD environment with C2 systems.

Qualifications

• Experience in VoIP, IP telecommunications, or enterprise voice environments.
• Hands-on experience installing, configuring, administering, troubleshooting, and maintaining Cisco IP communications technologies.
• Experience with call-processing systems, gateways, IP telephones, voicemail, conferencing, and voice/video communications technologies.
• Knowledge of network monitoring, telecommunications infrastructure, cabling, and system availability practices.

Responsibilities

• Design, install, configure, operate, maintain, and sustain Non-Secure VoIP networks and supporting telecommunications infrastructure.
• Provide systems engineering, technical oversight, documentation, troubleshooting, and lifecycle support for enterprise IP telecommunications services.
• Support Command and Control (C2) communications systems, including conferencing, alert and notification systems, networked voice, video, data, and non‑secure switchboard services.
• Install, configure, administer, and maintain Cisco IP communications systems, call-processing platforms, gateways, IP telephone instruments, voicemail systems, video applications, and voice/video bridging technologies.
• Provide voicemail capabilities including announcements, notifications, forwarding, distribution lists, message storage, automated dialing, and remote retrieval.
• Design and install telecommunications cabling, equipment, hardware, and software to expand or modernize existing services.
• Monitor network status, performance, and alerting systems to maintain real-time availability across locations.
• Provide end-to-end telecommunications connectivity, including equipment placement, infrastructure integration, endpoint installation, and connectivity within customer environments.
• Configure and maintain telecommunications logging, monitoring, and blocking security services; review logs for security or infrastructure improvements.
• Develop recommendations for telecommunications security, reliability, and infrastructure enhancements and coordinate implementation with customer personnel.
• Implement configuration changes, security controls, and rule-based policies across systems.
• Install, operate, and maintain UPS equipment supporting non-redundant VoIP infrastructure for service continuity.
• Apply DoD policies and standards when installing, configuring, administering, and maintaining Cisco IP systems.
• Provide real-time conference scheduling, bridge management, troubleshooting, and connectivity support for global IP and ISDN teleconferencing environments.
• Troubleshoot voice, video, network, hardware, software, and cabling issues and coordinate resolutions across teams.
• Maintain accurate configurations, diagrams, documentation, procedures, and infrastructure records.

Skills

VoIP / IP Telecommunications

Cisco IP communications technologies

Enterprise voice communications

Call-processing systems and gateways

Tools

Cisco IP Communications equipment

VoIP gateways

Job description

CACI is seeking an experienced VoIP Network Engineer / Telecommunications Engineer to support the design, installation, operation, and sustainment of a DoD voice network. The role involves end-to-end engineering for enterprise voice, video, conferencing, and telecommunications services within a government setting.

The ideal candidate will have hands-on experience with Cisco IP communications, call-processing technologies, and security, working in a DoD environment with C2 systems.