Linux Systems Administrator - TS/SCI w/Poly required

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Herndon, Virginia
Onsite Workplace
Key Skills For Success

Active Directory Implementation


Linux Environments

Red Hat Enterprise Linux (RHEL)

REQ#: RQ170296
Requisition Type: Regular
Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

Here, you’ll have the opportunity to build strong lines of cyber defense using cutting-edge technologies. Your systems administration/engineering work in a cyber security environment will have an impact on securing our clients’ missions and ensuring we anticipate the threats of tomorrow.

At GDIT, people are our differentiator. As a Linux Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on a well-rounded Systems Administrator joining our team to support a contract in our customer's Office of Cyber Security (OCS).


  • Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service
  • Engineer systems administration-related solutions for various project and operational needs
  • Maintain best practices for managing systems and services across all environments
  • Perform fault-finding, analysis, and logging of information for reporting of performance exceptions
  • Proactively monitor system performance and capacity planning
  • Manage, coordinate, and implement software upgrades, patches, and hot fixes on servers and workstations
  • Create and modify scripts or applications to perform tasks
  • Provide input on ways to improve the stability, security, efficiency, and scalability of the environment
  • Collaborate with other teams and team members to develop automation
  • strategies and deployment processes


  • Education: Bachelor's degree in Computer Science, Information Systems, or similar relevant degree
  • Experience: 6+ years of experience with Linux systems
  • Technical Skills: In-depth knowledge of Linux: RedHat, CentOS, Rocky, Ubuntu, etc.
  • Security Clearance Level: Active TS/SCI with Polygraph
  • Skills and Abilities:
  • Experienced with Active Directory Integration
  • Shell, Bash, and/or Python scripting
  • Linux security hardening; and protocols such as SSH, SFTP, DNS, HTTP, LDAP, SMTP, and SNMP
  • Strong problem-solving and communication skills
  • Advantageous Certifications: RHCT, RHCE, LPIC
  • Preferred Skills: Familiarity with Trellix, Splunk, VMWare, and NAS
  • Location: Herndon, VA on customer site
  • US Citizenship Required


  • 401K with company match
  • Comprehensive health and wellness packages
  • Internal mobility team dedicated to helping you own your career
  • Professional growth opportunities including paid education and certifications
  • Cutting-edge technology you can learn from
  • Rest and recharge with paid vacation and holidays



Work Requirements
Years of Experience

6 + years of related experience

* may vary based on technical training, certification(s), or degree


Red Hat Certified Technician (RHCT) - Red Hat

LPIC-1 Certified Linux Administrator - Linux Professional Institute (LPI)

Red Hat Certified Engineer (RHCE) - Red Hat

Travel Required

Less than 10%


U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $119,000 - $161,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

About Our Work

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

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.