ABBTECH
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Infographic showing various job openings at Abbtech in the United States as of June 2026, with employment types broken down into 21% Full Time, and 79% Contract. Highlights an 100% Physical job distribution.
Senior VoIP Engineer

Senior VoIP Engineer

ABBTECH

Quantico, VA • On-site

Full-time

Posted 15 days ago


Job description

Senior VoIP Engineer
Location- Quantico, Va
Clearance- Secret but must be eligible for a TS/SCI
Salary- 140k/yr-165k/yr
The above salary range represents the range expected for the position; however, final salary offers are based on a number of factors such as the position's responsibilities; the candidate's experience, education, and skills; location; travel required; and current market conditions.
This program requires US Citizenship
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.
This full-time position requires a physical presence at the worksite.
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

Required Qualifications/Education and Experience:
  • Must have and maintain a Secret personnel clearance and must be eligible for a TS/SCI
  • High School diploma or equivalent
  • Five (5) or more years of experience designing, building, and/or maintaining communications systems with minimum of three (3) years of experience with CISCO Unified Communications Manager (CUCM) Version 10.5 or newer
  • Cisco Certified Network Professional (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/

Preferred Qualifications/Education and Experience.
  • Bachelor's degree

ABBTECH is an EOE/Minorities/Women/Disabled Individuals/Veteran
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About ABBTECH

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ABBTECH is a notable company recognized in the industry of staffing and workforce solutions, located in Sterling, VA, US. Its operations are directed from its official website, abbtech.com. The company was founded in 1992, and since then it's been offering services including staffing services, IT Solutions, and technical services, thus making a significant contribution to the staffing industry. ABBTECH’s mission is to accomplish the staffing goals of its customers while striving for a common success. While the company has got numerous honors, it’s an especially proud achievement for ABBTECH to be the largest woman-owned staffing firm in the US.

Industry

Internet and it

Company size

51 - 200 Employees

Headquarters location

Sterling, VA, US

Year founded

1992