Systems Administrator (Senior) VoIP - Secret Clearance

Clearance Level
Systems Administration
Washington, District of Columbia

REQ#: RQ88298

Travel Required: None
Public Trust: None
Requisition Type: Regular
  • Familiar experience with SIP and H.323
  • Knowledge of deployment of classified VOIP system
  • Familiar experience with Unified Messaging system (voicemail and email integration)
  • Familiar experience with Audio conference bridge systems
  • Familiar experience with Redsky or other E911 systems
  • Familiar experience with WebEx and other user collaboration systems
  • Familiar experience with voice circuits such as SIP trunks, PRI’s,  ISDN BRI’s, etc.
  • Familiar with crypto technology for voice systems
  • Familiar with AD/DC, DNS and MS Exchange 2007 or 2010
  • Familiar with VMware
  • Experience with DOD, DISA STIG, and DIA VOIP security requirements. Should be able to mitigate the system to meet all security requirements 


  • Bachelor’s degree or a combination of education and experience in lieu of education
  • Required Cisco Voice certifications are plus


A minimum of 5 years experience in design, CONFIGURATION, and troubleshooting of enterprise VOIP systems.

Applicant selected will be subject to a government security investigation DHS EOD (Entry on Duty) and must meet eligibility requirements for access to classified information.  

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.