Senior VoIP Engineer

oscglobal· OSC Edge
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📍 Quantico, Virginia, United StatesActive, Full Time

About this role

Company Background/Overview

Founded in 2008, what started as a small business has grown into a diverse and innovative global team owned by Cook Inlet Region, Inc. an Alaska Native Regional Corporation. As a US Federal contractor, we are a dedicated IT Service Provider supporting the Departments of the Army, Navy, Air Force, DoD Educational Institutions, and large corporate entities. Our expertise is in Cloud Computing, Cyber Security, Compliance Management, Enterprise Architecture, IT Support, and CSfC. If you are passionate about making a difference and thrive in a dynamic and collaborative environment, we invite you to apply to join our team.



This full-time position requires a physical presence at the worksite in Quantico, VA.



General Function

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 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/


    OSC Edge delivers a total rewards package that we know will attract, engage and retain top talent. Key elements of our package include a competitive base pay and a comprehensive benefits package: 


    We offer eligible employees with an opportunity to enroll in a variety of benefits offerings. Here are just some of our benefits for our US based positions. 

    • Medical/ Dental/ Vision
    • Life insurance and AD&D
    • Flexible Spending
    • Accident, Critical Illness and Hospital Indemnity coverage
    • 401(k) and ROTH retirement options and company match
    • Pet Insurance
    • Identity Theft and Fraud Protection coverage


    Equal Opportunity Employer/Veterans/Disabled



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    Frequently Asked Questions

    Is the salary disclosed for the Senior VoIP Engineer position at oscglobal?
    The salary for this Senior VoIP Engineer role at oscglobal is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
    Where is the Senior VoIP Engineer position at oscglobal located?
    This Senior VoIP Engineer role at oscglobal is based in Quantico, Virginia, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
    Is the Senior VoIP Engineer role at oscglobal full-time or part-time?
    This is listed as a Active, Full Time position. It is posted as a Senior VoIP Engineer role in the OSC Edge department at oscglobal.
    Which team or department does the Senior VoIP Engineer at oscglobal belong to?
    This Senior VoIP Engineer position is part of the OSC Edge department at oscglobal. See the full job description for more information about the team structure and responsibilities.
    How do I apply for the Senior VoIP Engineer position at oscglobal?
    Click the "Apply Now" button on this page. You will be redirected to oscglobal's official application portal hosted on bamboohr where you can submit your application directly.
    When was the Senior VoIP Engineer job at oscglobal posted?
    This Senior VoIP Engineer position at oscglobal was posted on Sep 3, 2026. Apply as soon as possible — early applications are often reviewed first.
    Senior VoIP Engineer
    oscglobal
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