VoIP Engineer

TekSynap•Washington, DC

3d•$100,000 - $130,000

About The Position

TekSynap is seeking a VoIP Engineer for a full-time position supporting mission-critical federal operations in the Washington, D.C. metropolitan area. The engineer will design, implement, maintain, and optimize enterprise voice communications infrastructure, including VoIP, unified communications, E911 services, and telephony systems. The work includes supporting federal clients as they migrate to modern architectures such as Teams telephony, along with operational support and sustaining engineering for analog, digital, and VoIP systems. The position supports telephone systems and related hardware, cabling, software, gateways, phones, call processors, interfaces, routing, emergency services, messaging platforms, and enterprise telephony features. It also involves customer support across multiple locations, documentation, reporting, security, operator services, and participation in after-hours support, maintenance windows, on-call rotations, and major customer events. The position is based in Washington, D.C. The work environment varies and has a low noise level. The regular schedule is day shift, Monday through Friday, though evening and weekend work may be requested to meet program and contract needs. Travel is less than 10%.

Requirements

Active Secret clearance or higher.
U.S. citizenship.
Bachelor's degree in computer science, engineering, information technology, business management, or a related field, or equivalent experience.
At least four years of experience supporting enterprise VoIP and Video Teleconferencing (VTC) environments.
DoD 8570/8140-compliant certification.
Experience administering enterprise VoIP and unified communications infrastructure.
Experience supporting VoIP call processors, softphones, Wi-Fi phones, voice gateways, and E911 systems.
Experience performing telecommunications Moves, Adds, and Changes (MAC).
Experience with Cisco Unified Communications Manager (CUCM); version 15.0 is 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 provide occasional evening or weekend support.

Nice To Haves

Experience supporting federal government telecommunications environments.
Experience administering SIP trunks and voice gateways.
Experience with telecommunications security and voice firewalls.
Experience migrating VoIP systems as part of modernization efforts.
Experience with Teams Telephony or a similar virtual cloud PBX solution, such as Webex or Broadworks.
Experience with Cisco Unified Communications Manager version 15.0.

Responsibilities

Design, install, configure, maintain, and support enterprise VoIP and telephony infrastructure.
Support federal clients migrating to modern architectures, including Teams telephony.
Provide 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 the Emergency Broadcast System (EBS).
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 voicemail platforms, automated attendants, announcements, broadcast lists, and user messaging services.
Configure and maintain enterprise telephony features, including call forwarding, call transfer, conferencing, hunt groups, call park, call pickup, caller ID, speed dial, and voicemail.
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 that require evening or weekend coverage.