Linux or Unix System Administrator

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Fort Meade, Maryland
Columbia, Maryland

REQ#: RQ68497

Travel Required: Less than 10%
Requisition Type: Regular


This project operates, manages, and monitors the health and status of Record Message Systems and world-wide customer communications/hardware and software applications, troubleshoots and assists with corrective actions on LAN/CAN/WAN/Messaging devices, networks, systems, and related problems/issues.

Qualifications and Responsibilities:

  • Monitors and manages the operation of Record Messaging Systems.
  • Coordinates/corresponds with all responsible users and sites on messaging health and status issues.
  • Tests and supports new technology and the transition from legacy system.
  • Must be able to respond to call-ins; and work later in the day during normal work days. Task coverage hours are 6am to 6pm, thus some team members work 10am to 6pm.
  • Possibility of travel CONUS or OCONUS, less than 10%
  • Must have an active TS/SCI clearance with Poly.

Top 3 Skills Required:

  • Intermediate or better experience with UNIX/Linux/Solaris systems in areas of system administration, integration, and development.
  • Experience in identifying network related problems.
  • Initiative to learn, especially new technology while maintaining legacy systems during a transition.

Nice-to-Have Skills:

  • Experience with routing support and initiating alt-routing
  • Experience with PKI authorization services; and System Security Plans (SSP) and the SSP role in development to production processes
  • Microsoft Windows system administration to support web based User Client

Required Certification:

  • One of the following DoD approved certifications is required to meet the category/level IAT-2 (DoD 8570) requirement for this position: Security+ CE, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP+ CE, GCIH, GCED, CCNP Security, CySA+, or GICSP  NOTE: this certification requirement must be completed before an individual can join the task.


  • Either a Doctorate plus 4 years ,OR Master’s plus 6 years, OR Bachelor’s plus 8 years, OR Associate’s plus 10 years, OR H.S./GED plus 12 years is required
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.