Network Administrator - Tech Control - TS/SCI with Polygraph Required - (Springfield, VA)

Responsible for the analysis, administration and support of voice, video, and/or data communications networks.Analyzes, administers and maintains voice, video, and/or data communications networks.Manages the usage and performance of voice, video and/or data communications networks.Maintains network security and ensures compliance with security polices and procedures.Evaluates hardware and software, including peripheral, output, and related equipment.Participates in the development and implementation of network-related procedures and standards.Participates in and may lead aspects of major network installations and upgrades.Interfaces with vendors to ensure appropriate resolution during network outages or periods of reduced performance.Develops and implements testing strategies and document results.Provides advice and training to end-users.Troubleshoots and resolves complex problems.May provide work leadership to less-experienced network personnel.Maintains current knowledge of relevant hardware and software