Voice Administrator - Secret Clearance

General Dynamics Information Technology
Arlington, VA
Public Trust: None
Requisition Type: Regular
Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

Voice Administrator - Secret Clearance

Transform technology into opportunity as a Voice Administrator at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT


As a Voice Administration, the work you’ll do at GDIT will be impactful to the mission of Defense Information Systems Agency Enterprise Transport Management - Next-Gen (DISA ETM - NG) program at the Pentagon in Arlington, VA.

HOW JOB TITLE WILL MAKE AN IMPACT

  • Provide Tier II customer support with SNOW ticketing for moves, adds, changes, provisioning, and break-fix actions.

  • Voice System Administrator Team Tier II team member and supporting the 24x7 Operation and Maintenance Staff performing daily activities.

  • Provide on-site support for the Ribbon AS system in support of over 90,000 users.

  • Support of SIP based Session Managers, Provisioning Manager, Personal Agent Manager, Media Application Servers, Analog Gateways and Associated Element Managers.

  • Interface and monitoring of Cisco Call Manager used for VOSIP system.

  • Support for VOIP phones, TDM and SIP Trunking, Voice Mail, E911, and UC features.

  • Familiarized with the Ribbon AS PBX and its Element Managers.

  • Provide alarm monitoring, scheduling/running of system backups, system upgrades, preventative maintenance, hardware replacement, system troubleshooting, Telephony dial-plan, and routing changes.

  • Work independently and with vendors, identify root cause issues and determine proper problem resolution, collect logs for vendor evaluation.

  • Interface with customers, Local Exchange Carrier, local in-house cabling support, and Ribbon.

  • Perform call-flow evaluation and other duties required to operate, maintain, update, and perform break-fix actions, trouble ticketing, reporting, and system interface with other telephony switches, VTCs, & ACDs.

  • Interface with SNOW ticketing system and escalate system issues to other team leads and members when appropriate.

WHAT YOU’LL NEED TO SUCCEED:

Security Clearance Level: Active Secret clearance

Experience: 2+ years of related voice administration experience.

Education: Bachelor’s Degree in Computer Science, Engineering or a related technical discipline, or equivalent demonstrable work experience in lieu of degree.

Technical Skills:

  • IAT Level II Baseline certification (CompTIA Security+ CE or similar)

  • Will be training to achieve a Computing Environmental certification after hire if a candidate does not already possess one.

Role Requirements:

  • Candidate must have the ability to communicate effectively with personnel of various expertise levels

  • Solid Customer Support Skills in a high visibility environment

  • Problem analysis and problem solving

  • Attention to detail and accuracy

  • 2 years experience in Voice Administration experience with Voice Switch if not Avaya or Ribbon

Location: Onsite at the Pentagon - Arlington VA

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
  • Growth: AI-powered career tool that identifies career steps and learning opportunities

  • Support: An internal mobility team focused on helping you achieve your career goals

  • Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

  • Community: Award-winning culture of innovation and a military-friendly workplace


OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements

Years of Experience

2 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

CompTIA Security+ CE | CompTIA - CompTIA

Certified Network Professional Enterprise (CCNP) | Cisco - Cisco

Cisco Certified Network Associate (CCNA) | Cisco - Cisco

Travel Required

25-50%

Citizenship

U.S. Citizenship Required

Posted 2026-03-21

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