System Administrator, TS/SCI with Polygraph required

Herndon VA General Dynamics Information Technology

At GDIT, people are our differentiator. As a System Administrator and help ensure the mission is never interrupted. At GDIT, we deliver clarity with supporting the customer, you will be trusted to solve complex IT issues while delivering outstanding customer service.

Ensure the safety and security of our nation as a System Administrator to help ensure the mission is never interrupted. At GDIT, we deliver clarity with at GDIT. You'll apply the latest technology and provide operational support to deliver actionable intelligence for the Intelligence Community. Here, your work will have meaning and impact as you deliver your best every day.


Customer is seeking a skilled and proactive System Administrator with proven experience in supporting enterprise web applications and software development teams. A successful candidate will need to demonstrate an in-depth understanding of Linux/Unix and a firm understanding of cloud technologies. Candidate must demonstrate on the job experience upgrading, monitoring, troubleshooting and implementing both on premise and cloud technologies.


Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Required Experience:

Hours: Contract Core hours 9-3
Required Technical Skills & Experience
Support and troubleshoot web applications. This includes deployment of Tomcat applications using AWS and utilizing application and server logs to identify and resolve issues.
Demonstrated experience and support for applications hosted in an AWS cloud environment, including deployments, patches, security checks, and maintenance.
Upgrade and maintain operating systems and application software on LINUX (Linux (RHEL, CentOS, Scientific Linux) and Microsoft Windows platforms.
Perform software installations, including support for COTS applications.
Daily monitoring of the network, servers, cloud and applications to ensure full availability and optimum performance. Utilize software tools and logs to monitor network and system health.
Track and manage system certificates, privileged accounts, and database passwords.
Create and update documentation, including standard operating procedures, administrative instructions, After Action Reports for system outages, task status updates, and customer reports.
Support for system and data security requirements, and documented system artifacts required for security certification.
Experience with implementing and maintaining encryption technology (PKI authentication, Vormetric, and KMS).
Demonstrated experience with web services.

Security Clearance Level: Top Secret/SCI with Polygraph

Location: Herndon, VA -on site


  • 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
7 + years of related experience

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


Travel Required

U.S. Citizenship Required

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.

To apply for this job please visit