VoIP Network Engineer / Telecommunications Engineer

CACI International•Washington, DC

17h•$103,800 - $218,100•Onsite

About The Position

CACI is seeking an experienced VoIP Network Engineer / Telecommunications Engineer to support the design, installation, operation, maintenance, and sustainment of a government agency’s Non-Secure Voice over Internet Protocol (VoIP) telecommunications network. The selected candidate will provide end-to-end engineering and operational support for enterprise voice, video, conferencing, and telecommunications services. This position requires hands-on experience with Cisco IP communications, call-processing technologies, network infrastructure, telecommunications security, and Command and Control (C2) communications systems within a Department of Defense (DoD) environment.

Requirements

Demonstrated experience supporting VoIP, IP telecommunications, or enterprise voice communications environments.
Hands-on experience installing, configuring, administering, troubleshooting, and maintaining Cisco IP communications technologies.
Experience supporting call-processing systems, gateways, IP telephones, voicemail, conferencing, and voice/video communications technologies.
Knowledge of network monitoring, telecommunications infrastructure, cabling, and system availability practices.
Experience troubleshooting complex telecommunications, network, hardware, and software issues.
Knowledge of telecommunications security practices, including logging, monitoring, access controls, and rule-based policies.
Experience developing and maintaining technical documentation, network diagrams, system configurations, and operating procedures.
Ability to support enterprise and geographically dispersed telecommunications environments.
Working knowledge of DoD policies, procedures, and standards related to telecommunications and IP-based communications systems.

Nice To Haves

Experience supporting DoD, federal government, or mission-critical telecommunications environments.
Experience supporting Command and Control (C2) communications systems.
Experience with global IP and ISDN teleconferencing networks.
Experience with Cisco Unified Communications technologies and enterprise collaboration platforms.
Knowledge of network resiliency, redundancy, continuity of operations, and UPS-supported telecommunications infrastructure.
Relevant Cisco, networking, telecommunications, or cybersecurity certifications.

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 specialized 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 recorded announcements, message notifications, forwarding, distribution lists, message storage, automated dialing and reply functions, and remote message retrieval.
Design and install telecommunications cabling, equipment, hardware, and software required to expand, modernize, or enhance existing network services.
Monitor network status, performance, and alerting systems to maintain real-time network availability, including remote applications and hardware supporting geographically dispersed locations.
Provide end-to-end telecommunications connectivity, including equipment placement, infrastructure integration, endpoint installation, and connectivity within and external to customer environments.
Configure and maintain telecommunications logging, monitoring, and blocking security services; review system logs and identify potential security or infrastructure improvements.
Develop recommendations for telecommunications security, reliability, and infrastructure enhancements and coordinate implementation with designated customer personnel.
Implement approved configuration changes, security controls, and rule-based policies across telecommunications systems.
Install, operate, and maintain Uninterruptible Power Supply (UPS) equipment supporting non-redundant VoIP infrastructure to maintain service continuity during facility power disruptions.
Apply knowledge of DoD telecommunications policies, procedures, security requirements, and technical 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, cabling, and telecommunications connectivity issues and coordinate resolution across technical teams as required.
Maintain accurate system configurations, network diagrams, technical documentation, operational procedures, and infrastructure records.