Senior Systems Administrator - TS/SCI with Poly

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Fort Belvoir, Virginia

REQ#: RQ77910

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

We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that is important. GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can’t turn into opportunity. Our work depends on a Systems Administrator joining our team to support our government client’s  activities in the Northern Virginia locations.

At GDIT, people are our differentiator. As a Systems Administrator Senior manages the functionality and efficiency of a group of computers running on one or more operating systems

  • Understand all the different systems that are monitored in the help desk and the Tier level responsibilities for the systems.

  • Provide IT Service Management functions and first level troubleshooting to all customers.

    Use procedures to perform identification, troubleshooting, and diagnosis of failures and restore system capability to operations.

    Analyze, diagnose, and isolate failures to hardware.

    Directly replace or coordinate replacement of hardware failures.

    Collect data for proper escalation and resolution by Tier 2/3.

  • Perform network management services to include: monitoring network device health and status, monitoring network performance and utilization optimization.

  • Perform OS monitoring, Commercial of the Shelf (COTS) software monitoring, custom software monitoring, resource memory allocation, etc.

  • Perform modifications to authorized user lists, user profiles, and file system maintenance.

  • Understand all ITSM processes and document work accurately and effectively through the use of a ticketing system.

  • Perform visual inspections of hardware and document/report all findings.

  • Understand the Program Service Level Agreements (SLA) to ensure proper completion of work within timelines.

  • Manage account requests and provide account management responsibilities for personnel on numerous systems.

  • Know all functional leads and technicians for all the managed systems by the program.

  • Understand local site command and hierarchy.

  • Know POC's for systems that the Program does not have responsibility for.

  • Interface with customers and government officials.

  • Participates in special projects as required.


  • Due to the sensitive nature of the work being done for this government client, all candidates must hold a TS/SCI with Polygraph.
  • Bachelors Degree in Computer Science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
  • 5+ years of directly related experience in systems administration and analysis.
  • Candidate must possess appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE OR CCNA-Security certification. Security+ CE Certification preferred. In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Certification within six (6) months of Hire Date.
  • UNIX/LINUX System Administration - Preferred

  • Windows System Administration - Preferred

  • Shift work (Panama Schedule - 12 hours/day for a total of 7 days over 2 week period)

  • As part of your role/function on the program; you will be granted privileged user access. Privileged Users are subject to greater scrutiny as a direct result of the significant responsibilities placed upon them. Please be aware that because of these critical duties; you will be subject to additional IT system monitoring; and supervisory evaluation to ensure continuous adherence to Privileged User processes and procedures. Privileged Users are subject to a zero tolerance policy for security violations.

Shift work is on a rotating Panama Schedule.

Schedule 1                        Schedule 2

Work - Mon, Tues              Off - Mon, Tue

Off - Wed, Thur                  Work - Wed, Thu

Work - Fri, Sat, Sun           Off - Fri, Sat, Sun

Off - Mon, Tue                   Work - Mon, Tues

Work - Wed, Thu               Off - Wed, Thur 

Off - Fri, Sat, Sun               Work - Fri, Sat, Sun 

Shifts are 6 AM to 6 PM, 6 PM to 6 AM