Senior Network Engineer (NCS) - TS/SCI w/Poly Required with Security Clearance - (Chantilly, VA)

Responsible for the design and development of voice, video, radio-frequency, and/or data communications networks. * Analyzes voice, video, radio-frequency, and/or data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites and configuring communication media with concentrators, bridges, and other devices. * Plans network layouts and configures systems to user environments. * Analyzes network topologies and traffic and capacity requirements. * Supports the acquisition of hardware and software as well as subcontractor services as needed. * May provide technical support and troubleshooting to users. * May perform network administration duties. * May provide guidance and work leadership to less-experienced network personnel. * Maintains working expertise of relevant technology as assigned. * Participates in special projects as required.