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# VoIP Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Quantico, VA, United States
- **Experience:** Expert
- **Salary:** $139,984.0 - $169,998.0
- **Contract:** Temporary to permanent
- **Skills:** Unity 3d, VoIP, Cisco Unified Communications Manager, H.323 Protocol, IPv4, Session Initiation Protocols, Media Gateway Control Protocol (MGCP), Routing, Public Switched Telephone Networks, Signalling Connection Control Part (SCCP), Systems Integration, Computer Network Operations, Cisco Voip, Cisco
- **Published:** October 16, 2026
- **Apply:** https://www.juju.com/job/1_teksystems3-2149620b380a51be4fee7a2682510b66

## About the Role

School diploma or equivalent -Five (5) or more years of experience designing, building, and/or maintaining communications systems with a minimum of three (3) years of experience with CISCO Unified Communications Manager (CUCM) Version 12+ or newer -Cisco Certified Network Professional (CCNP) and 60 days to get the CCNP Collaboration or successful completion of the CLCOR exam -Prior experience with Cisco Unity, Cisco Presences, Cisco Emergency Responder -Knowledge of Cisco UCCX -Prior experience with dynamic and static IPv4 routing and integrating with an external SIP provider -Proficient with SIP, SCCP, MGCP, DSN, PSTN, and H.323 systems and devices -Must be DoD 8570 certified at the IAT-II / IAM-II level.
Please refer to the website: https://public.cyber.mil/cw/cwmp/dod-approved-8570-baseline-certifications Skills Voip, Cisco voip, Cisco voice, Cisco call manager, Uccx, Unity, Troubleshooting, Unified communications, cucm, Phone system, Sip, Telephony, ccnp, CLCOR Top Skills Details Voip,Cisco voip,Cisco voice,Cisco call manager,Uccx,Unity,Troubleshooting,Unified communications,cucm,Phone system,Sip,Telephony Additional Skills & Qualifications -excellent communication skills Experience Level Intermediate Level Job Type & Location This is a Contract to Hire position based out of Quantico, VA. Pay and Benefits The pay range for this position is $67.30 - $81.73/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

## Description

Description As a Senior VoIP Engineer, the individual will oversee and manage all components of the Cisco Unified Communication Manager cluster.
In this role, the Engineer will monitor and control the performance and status of voice and video resources across multiple enclaves and locations utilizing software and hardware tools.
In addition, the individual will work to ensure all voice applicable STIGs and vulnerabilities are resolved or mitigated in a timely manner.
Major Activities (Typical Duties/Responsibilities) -Performs testing, provision, operations and emergency responses for voice network operations -Designs, configures, and installs VoIP hardware/software replacements and upgrades -Develops and maintains all VoIP documentation (drawings, cut sheets, configurations, and deployment plans) -Identifies and diagnoses problems and factors affecting voice services -Provides day-to-day subject matter expert support for RKB tenant agencies -Troubleshoots voice related issues and outages, which may occur during non-core hours -Works with vendors in support of the ITCSU -Performs preventative maintenance services on all devices within the VoIP area of responsibility -Maintains a current understanding of emerging technologies and trends in voice and video services -Performs other tasks as required by OSC and the Government contracting office Minimum Qualifications -Must have and maintain a TOP SECRET clearance and must be eligible for a TS/SCI -High