192 voip jobs at 109 companies in Washington, DC
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Senior VOIP Engineer
Washington, District of Columbia, United States
OnsiteFull Time
10+ YOE10+ years Cisco VoIP network engineering; 8+ years Cisco UCM; Security+; CCNP Voice; DoD Secret clearance; Bachelor's degree.
VoIP, Cisco UCM, Network Security, VPN, Encryption, STIGs, ServiceNow
2mo
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VoIP Engineer SME
Washington, District of Columbia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years implementing and maintaining Cisco VoIP infrastructure, 8+ years with Cisco UCM, ability to configure CUBE, Secret clearance, Bachelor\u0002s degree, Security+ and CCNP Voice and Collaboration certifications.
Cisco Unified Communications Manager (UCM), Cisco Unified Border Element (CUBE), ServiceNow, vIPER, STE, Definity, POTS, STIGS, DHCP, VPN, DNS
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VoIP Engineer SME
Washington, District of Columbia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years implementing Cisco VoIP infrastructure, 8+ years with Cisco UCM, experience with CUBE and SIP trunking, Secret clearance, Bachelor\u0002s degree, Security+ and CCNP Voice and Collaboration required.
Cisco Unified Communications Manager (UCM), Cisco Unified Border Element (CUBE), ServiceNow, DHCP, VPN, DNS, SIP, STIGS, STE, vIPER
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Sr. VOIP Engineer
Washington, District of Columbia, United States
$120k-$140k/yr OnsiteFull Time
10+ YOE10 years implementing and maintaining Cisco VoIP infrastructure, 8 years with Cisco Unified Communications Manager (UCM), ability to configure Cisco routers/switches/gateways, ServiceNow ticket support, Secret clearance, Bachelor's degree, Security+ and CCNP Voice and Collaboration.
Cisco Unified Communications Manager (UCM), ServiceNow, STIGS, STE, vIPER, Definity, POTS, Cisco routers, Cisco switches, Cisco gateways
2w
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VoIP Systems Engineer
McLean, Virginia, United States
$166k-$295k/yr OnsiteFull Time
9+ YOETS/SCI with Poly required. 9+ years relevant experience (varies by degree). Expertise in VoIP/analog/ISDN telephony, Linux server management (Ubuntu, CentOS), BESS tools, Ruby on Rails, PowerBuilder, and Korn shell.
BESS Billing and Provisioning Tools, Linux, Ubuntu, CentOS, PowerBuilder, Korn shell, Ruby on Rails
1w
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VoIP Engineer - Secret Clearance REQUIRED
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
4+ YOEActive Secret clearance, U.S. citizenship, bachelor\u0002s or equivalent, 4+ years VoIP experience, DoD 8570/8140-compliant certification, CUCM/Cisco Unity/Jabber experience, strong troubleshooting and communication skills.
Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, Cisco Jabber, Teams Telephony, Webex, BroadWorks
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Senior Voip Engineer
Quantico, Virginia, United States
OnsiteFull Time
5+ YOETop Secret/SCI clearance required; HS diploma; 5+ years communications systems experience with 3+ years on CUCM 12+; CCNP Collaboration or CLCOR; DoD 8570 IAT-II/IAM-II; experience with Cisco Unity/Presence/Emergency Responder/UCCX, SIP/SCCP/MGCP/DSN/PSTN/H.323; IPv4 routing.
Cisco Unified Communications Manager (CUCM), CUCM, Cisco Unity, Cisco Presences, Cisco Emergency Responder, Cisco UCCX, SIP, SCCP, MGCP, DSN, PSTN, H.323
3w
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Senior VOIP Engineer
Quantico, Virginia, United States
$80k-$115k/yr OnsiteFull Time
5+ YOE5+ years enterprise communications experience, 3+ years CUCM administration, Top Secret clearance with TS/SCI eligibility, CCNP Collaboration or CLCOR, DoD 8140 compliance, strong troubleshooting and documentation skills.
Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, Cisco Finesse, Cisco IM&P, Unified Contact Center Express (UCCX), Cisco Emergency Responder, SIP, Session Border Controller (SBC), SCCP, MGCP, H.323, IPv4, STIGs
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Unified Communications Integration Engineer, Public Safety
Washington, District of Columbia, United States
$141k-$188k/yr HybridFull Time
3+ YOE3+ years VoIP/UC deployment; open-source UC (Kamailio, FreeSWITCH, Asterisk); networking; Linux; AWS; Docker/Kubernetes.
Kamailio, FreeSWITCH, Asterisk, SIP, SDP, RTP, WebRTC, Linux, bash, AWS, Docker, Kubernetes
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FY27: IT Systems Specialist, Enterprise VoIP and Unified Communications Specialist, Dept of Enterprise Network and Security Operations, 8 hrs/12 mos, Ad closes 8/14/26
Gaithersburg, Maryland, United States
$30-$60/hr OnsiteFull Time
3+ YOEBachelor's degree, valid driver's license, and 3+ years supporting enterprise VoIP and unified communications in large LAN/WAN environments, including call control, voice gateways, SIP trunking, dial plans, and QoS.
VoIP, LAN/WAN, SIP, RTP/SRTP, QoS, VLAN, PoE, TCP/IP, multicast, wireless, E911, packet captures, call detail records
1w
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Senior IT System Administrator - JWICS Support Modernization (MD, Aberdeen Proving)
Aberdeen or Huntsville or Fort Belvoir
OnsiteFull Time
Advanced JWICS systems administration, VTC/VoIP support, RMF/STIG security implementation, vulnerability remediation, and cybersecurity assessment support.
JWICS, VTC, VoIP, STIG, RMF
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Sr. Principal Voice Engineer
Redondo Beach or Rolling Meadows or Roy or Melbourne or Linthicum or Chandler or Huntsville
OnsiteFull Time
6+ YOESenior-level Cisco Voice Engineer with design, implementation of VoIP, UC, and CUBE; onsite at multiple U.S. locations; relocation assistance; security clearance.
Cisco Voice, VoIP, Cisco Unified Communications Manager, VTC, Jabber, CUBE, Cisco Telepresence, VQM, RTMT, LAN/WAN, Cisco routers switches firewalls, Microsoft Office, Visio, Project, PowerPoint, Excel
1w
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Phone Installation Technician (Government)
McLean, Virginia, United States
$69k-$112k/yr OnsiteFull Time
TSSCI with poly required; experience installing and troubleshooting cabling, VoIP and telephones; ability to install endpoints and read cable run lists; flexible hours and local travel.
VoIP, network switches
4w
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Customer Communications Support Manager
Fairfax, Virginia, United States
$133k-$227k/yr OnsiteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
10+ YOEBachelor's in CS/IT,10+ years telecom/network engineering experience,proven VoIP and VTC management,project management (PMP) or equivalent; DoD security familiarity preferred.
VoIP, VTC
2w
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IT Support Specialist
McLean, Virginia, United States
$80k/yr OnsiteFull Time
5+ YOEBachelor's in IT,5+ years corporate IT experience; proficiency with Citrix, Windows Server, Exchange, Active Directory, Office 365, VoIP, endpoint management; strong communication and prioritization skills.
Citrix Virtual Apps and Desktops, Windows Server 2008, Windows Server 2010, Exchange Server 2010, VoIP, Microsoft Entra ID (Azure AD), Microsoft Intune, ManageEngine Endpoint Central, Office 365, Microsoft Word, Microsoft Excel, SharePoint, Remote Desktop
3w
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Integrated Communications Services Engineer II
Towson, Maryland, United States
$62k-$105k/yr OnsiteFull Time
3+ YOE3+ years experience with enterprise communications systems, Bachelor's degree or equivalent experience, knowledge of Openscape platforms, VoIP/SIP, PBX administration, MDM, and mobile device management.
Openscape 4000, Openscape Xpressions, Openscape Contact Center, IP/SIP phones, VoIP, PBX, MDM
1mo
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Network Engineer (Greenbelt, MD)
Greenbelt, Maryland, United States
$44/hr OnsiteFull Time
Experience with network concepts, troubleshooting, cabling, AV conference systems (Crestron, AMX), Cisco and VOIP; performing installations, maintenance, diagnostics, and end-user support in a campus environment.
Crestron, AMX, Cisco, VOIP
1mo
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Dental Front Office Receptionist
Woodbridge, Virginia, United States
OnsiteFull Time
1+ YOE1–2 years dental experience preferred; strong phone and customer service skills; VOIP proficiency; scheduling, recordkeeping, insurance verification, knowledge of dental codes, and attention to detail.
VOIP phone systems
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Phone Technician (2026-173)
Tysons, Virginia, United States
FieldFull Time
Active TS/SCI with polygraph required. Experience installing and maintaining telephone/VoIP hardware, cabling, endpoints, and network equipment; able to lift 50+ lbs and work in confined spaces.
VoIP, LAN
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Senior Director Service Fulfillment
Grand Rapids or Herndon or Alpharetta or Blue Bell
HybridFull Time
10+ YOE5+ MgmtBachelor's degree,10+ years in telecom service delivery/operations,5+ years leading managers,experience with porting,number management,connectivity provisioning,SIP/VoIP,ServiceNow and transformation initiatives.
ServiceNow, SIP, VoIP, STIR/SHAKEN, SBCs
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