Network Architect - TS/SCI with Poly

Clearance Level
Top Secret SCI + Polygraph
Network Engineering
McLean, Virginia

REQ#: RQ80495

Travel Required: Less than 10%
Public Trust: None
Requisition Type: Regular

Provide subject matter expertise (SME) in Wide Area Networking (WAN) telecommunications to include DWDM, SDH, IP/MPS, and RF network analysis. The SME position will draw upon experience and understanding of theory, architecture, design, implementation, and network management practices in the telecommunications industry and provide guidance to the customer and other team members. Research new communications technologies and trends, interpret and document network specifications and technical documentation related to telecommunications networks. Develop network models using MS Visio, Powerpoint and GIS tools such as ESRI ArcPro/ArcMap.

Required and Preferred Skills and Qualifications:



Hands-on experience preferred but must have a solid working knowledge with routers, switches, DWDM, SDH/SONET, Optical Networks (OTN), Microwave, VSAT, cellular and satellite networks. Experience with Network Management Systems (NMS) and secure networking practices such as firewalls, encryption and screening routers.

Solid understanding of communications protocols and techniques to include TCP/IP, MPLS, VPNs, Voice Over IP (VOIP), SIP/RTP,SS7, Time Division Multiplexing (TDM),Synchronous Digital Hierarchy (SDH), Optical Transport Networking(OTN).


A working knowledge of Geographic Information Systems (GIS) and modeling techniques is a plus.

RF antenna theory, and installation practice. Experience with propagation modeling and the parameters to determine link budget. Advise on antenna placement for optimal performance.

Understanding of modulation techniques incorporated in RF transmission systems.


COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

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.