VoIP Engineer

VoIP EngineerWe are seeking a VoIP Engineer with an active Secret clearance for a full-time position as part of an ongoing contract in Washington, DC. The selected candidate will design, implement, maintain, and optimize enterprise voice communications infrastructure, including VoIP, unified communications, E911 services, and telephony systems supporting mission-critical federal operations throughout the Washington, DC metropolitan area.Responsibilities include:Design, install, configure, maintain, and support enterprise VoIP and telephony infrastructure.Work with Federal clients on migration to modern architecture (e.g. Teams telephony).Perform operational support and sustaining engineering for analog, digital, and VoIP telephone systems.Install, configure, and maintain telephone system hardware, cabling, software, and associated infrastructure.Support Moves, Adds, and Changes (MAC) activities across multiple customer locations.Configure and maintain VoIP phones, softphones, Wi-Fi phones, call processors, gateway systems, and E911 services.Maintain VoIP system interfaces and perform programming to ensure seamless connectivity.Administer telephone firewall logging, monitoring, and security policies.Maintain E911 infrastructure and emergency call routing.Maintain EBS (Emergency Broadcast System).Provide translations and routing for cellular and remote VoIP 911 services.Monitor trunk utilization and recommend capacity improvements.Generate telephone call detail reports and provide near real-time reporting for authorized personnel.Support voice mail platforms, automated attendants, announcements, broadcast lists, and user messaging services.Configure and maintain enterprise telephony features including: call forwarding, call transfer, three-way and six-way conferencing, hunt groups, call park, call pickup, caller ID, speed dial, voicemail services.Develop user guides, operating procedures, and technical documentation.Provide operator services, directory assistance, and conference call support.Protect customer privacy and telecommunications security.Participate in after-hours support, scheduled maintenance windows, and an on-call rotation.Support major customer events requiring evening or weekend coverage.Required qualifications include:Active Secret Clearance (or higher).Bachelor's degree in computer science, Engineering, Information Technology, Business Management, or a related field (or equivalent experience).Minimum four (4) years of experience supporting enterprise VoIP and Video Teleconferencing (VTC) environments.Must hold DoD 8570/8140-Compliant Certification.Experience administering enterprise VoIP and unified communications infrastructure.Experience supporting: VoIP call processors, softphones, Wi-Fi phones, voice gateways, E911 systems.Experience performing telecommunications Moves, Adds, and Changes (MAC).Experience with Cisco Unified Communications Manager (CUCM), 15.0 preferred.Experience with Cisco Unity Connection.Experience with Cisco Jabber.Strong understanding of voice networking, routing, switching, and telephony systems.Ability to participate in an on-call rotation and occasional evening or weekend support.Preferred qualifications include:Experience supporting federal government telecommunications environments.Experience administering SIP trunk and voice gateways.Experience with telecommunications security and voice firewalls.Experience migrating VoIP systems in modernization efforts.Experience in Teams Telephony or similar virtual cloud PBX solution (e.g. Webex, Broadworks)