NANA Regional Corporation Systems Administrator III in Ft. Belvoir, Virginia

Systems Administrator III


Five Rivers Services, LLC (FRS) provides full-spectrum communications, information technology (IT), network operations, video teleconferencing (VTC), audiovisual, multimedia, and command, control, communications, Computers, Intelligence, Surveillance, and Reconnaissance (C4ISR) services and solutions to Department of Defense, Federal Government agencies, and the commercial sector. Currently, FRS operates in Iraq, Afghanistan, Kuwait, Djibouti, and several continental U.S.


Perform Enterprise level systems administration duties. Support LANs, WANs, network segments, Internet, and intranet systems. Maintain system efficiency. Troubleshoot problems reported by users. Make recommendations for future upgrades. Maintain network and system security. Analyze and isolate issues. Monitor networks to ensure security and availability to specific users. Evaluate and modify system's performance. Maintain integrity of the network, server deployment, and security. Ensure network connectivity throughout a company's LAN/WAN is maintained IAW statement of work. Perform network address assignment. Assign routing protocols and routing table configuration. Assign configuration of authentication and authorization of directory services. Maintain network servers such as file servers, VPNgateways, intrusion detection systems. Administer servers, desktop computers, printers, routers, switches, firewalls, software deployment, security updates and patches.



  • DoD 8570 Information Assurance IAT II certified

  • DoD 8570 computing environment certification or training certificate for the operating system(s) and/or security related tools/devices they support

  • At least three years’ experience in system administration

  • At least three years’ experience in IA technology or a related information systems security area

  • Active Top Secret (TS) clearance with SCI eligibility


  • Working knowledge of MS Active Directory

  • Working knowledge of MS Office products

  • Working knowledge of both Windows and Unix operating systems administration

  • Working knowledge of Remedy ITSM

  • Knowledge of Information Technology Infrastructure Library V3 (ITIL)

  • Working experience with DoD Civilians, military and contractors

Work Environment and Physical Demands:

Work 8 hours between 6 AM and 6 PM, Monday through Friday; flexibility to work rotating on-call after normal duty hours, weekends, and holidays from home in support of 24X7 shifts; may travel to attend Government required training or in support of mission; physical demands include those associated with maintaining government data centers.

Prospective employees will receive consideration without discrimination because of race, color, religion, creed, gender, national origin, age, disability, marital status, veteran status, sexual orientation, or any other legally protected status.

We are committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you have a physical and/or mental disability and are interested in applying for employment and need special accommodations to use our website to apply for a position please contact, Recruiting Services at or 571-353-7053. Reasonable accommodation requests are considered on a case-by-case basis.

The dedicated email and telephonic options above are reserved only for individuals with disabilities needing accessibility assistance to apply to an open position using our website.

Please do not use the dedicated email or phone number above to inquire on the status of your job application.

We wish to thank all applicants for their interest and effort in applying for the position; however, only candidates selected for interviews will be contacted.

In order for our company to stay compliant with government regulations, please apply on line. Please DO NOT email resumes or call in lieu of applying online unless you have a physical and/or mental disability and need assistance with the online application.

Job: Information Technology

Primary Location: US-VA-Ft. Belvoir

Schedule: Full-time

Shift: Day Job

Req ID: FIV01122