Linux System Administrator

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Laurel, Maryland

REQ#: RQ132196

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

We are GDIT. We stay at the forefront of innovation to solve complex technical challenges. 

GDIT is your place. Make it your own by discovering new ways to securely and expertly apply the latest technology. Own your opportunity at GDIT and you’ll be a meaningful part of improving how agencies operate. Our work depends on Linux Systems Administrator joining our team to support one of our Maryland customers.

Key Responsibilities:

  • Seeking Linux Systems Administrator to join team in support of the deployment, and sustainment of critical systems.
  • Provide support to IT systems including day-to-day operations (Tier 1 / 2 problem identification, diagnosis and resolution), installing and maintaining operating systems, configuring and installing hardware/software, troubleshooting, and sustaining the operational health of the infrastructure.
  • Will need to respond to customer calls and requests as well as assist with infrastructure changes and other duties/assignments as they arrive.  
  • Heterogeneous environment so knowledge of Windows, VMware and Networking a plus.  


  • Current Linux system administration experience 
  • Skilled in CentOS/RedHat 7 and or 8
  • Able to troubleshoot servers running CENTOS 6,7
  • Master’s Degree and 1 year of experience, Bachelor's Degree and 3 year's of experience, Associate Degree and 5 years’ experience or High School Grad and 7 years’
  • DoD approved certifications is required to meet the category/level IAT-2 (DoD 8570) requirement for this position. Security+, GSEC, SSCP, CCNA-Security, CISA, CISSP (or Associate), CASP, GSIH, or GCED


  • Red Hat Certified System Administrator or equivalent a plus
  • Public Key Infrastructure (PKI), IAVA patch management and Nessus scanning/remediation skills  
  • Knowledge of Windows, VMWare, or Netapp a plus
  • Centrify experience a plus

About Our Work

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.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

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.