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# Systems Administrator - TS/SCI with Polygraph

- **Company:** General Dynamics Information Technology
- **Location:** McLean, VA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $98,600.0 - $133,400.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Application Performance Management, Information Systems, Databases, System Configuration, Email Production, File Explorer, IT Management, Software Project Management, Storage Technologies, Information Technology
- **Published:** November 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/systems-administrator-ts-sci-with-polygraph-mclean-va--086feff4-11d9-49f9-ad85-749e18152eb5

## About the Role

Systems Administration/Management, Sensitive Compartmented Information (SCI), Top Secret Clearance, Information Technology & Information Systems, Microsoft Active Directory, United States Citizen, Systems Administration/Management, Computer Science, Security Monitoring, Team Lead/Manager, Active Directory Administration, Enterprise IT, Information Technology (IT) Systems, 5 + years of related experience, * 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: 5+ years of related
 * Required Skills:
 * Hands-on expertise with Active Directory, including manual creation and management of security groups.
 * Proven ability to manually apply folder-level permissions within File Explorer, including setting and modifying read, write, and modify access controls.
 * Strong understanding of permissions, folder inheritance, and the ability to break, troubleshoot, and restore inheritance and access control configurations.
 * Skilled in creating and structuring folders within File Explorer to support organizational access requirements.
 * Senior-level experience in both Active Directory administration and File Explorer permissions management is required.
 * Training will be provided for all in-house system administration responsibilities.
 * Security Clearance Level: TS/SCI with Polygraph, * Experience working with Enterprise Information Technology systems, including core utility and security applications
 * A background working across multiple systems and applications-such as operating systems, email platforms, databases, storage technologies, and hardware support.
 * An understanding of how network requirements impact operating systems and application performance.
 * Familiarity with organizational standards for system configurations, security policies, and software management procedures.
 * Strong problem-solving skills, including the ability to diagnose and resolve complex technical issues independently.
 * Solid analytical, planning, and organizational abilities to support day-to-day work and larger initiatives.
 * Experience applying project management techniques to plan, coordinate, and deliver technical projects.
 * Clear and confident communication skills-able to explain technical concepts to both technical and non-technical stakeholders.
 * The ability to work independently on routine tasks while also collaborating effectively as part of a team.
 * Experience partnering with internal business teams to understand requirements and translate them into actionable technical needs.
 * Experience working with developers to clarify requirements and support joint project planning.
 * Familiarity with requirement tracking tools or processes.
 * Interest in staying up to date on emerging technology in relevant operating systems-along with the ability to identify potential impacts and anticipate needed changes
 * Location: McLean, VA - On Customer Site

## Description

At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator joining our team.