Systems Administrator (Apple/macOS) - TS/SCI with Polygraph

Public Trust: None

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 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.

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.

WHAT YOU’LL NEED TO SUCCEED:

• 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:
• Programming experience in Smalltalk, Python, and Objective-C
• SQL database development and administration
• Source control and configuration management tools such as Git
• Systems architecture, technical planning, and solution design
• Presenting technical recommendations, tradeoffs, and risk assessments to leadership
• Mac Open Directory administration
• Managing and deploying macOS and Windows workstations

• Understanding of databases, servers, and other system infrastructure, including network switches, routers, workstations, and standalone systems.
• Experience working with large userbases, responding to troubleshooting tickets, access control, and responding to other end-user requests.
• Demonstrated experience surveying sites and identifying network and system issues.
• Troubleshooting network, server, and stand-alone Apple and Windows based workstation hardware as well as compatibility of applications between Operating system manufacturers and across OS versions.
• Experience applying quality assurance and configuration management best practices.
• Technology evaluation, procurement recommendations, and lifecycle management
• Demonstrated experience recommending process changes to improve efficiency.
• Demonstrated experience ensuring component compatibility.
• Demonstrated experience with system security accreditation.
• Experience or working knowledge of applying policies and procedures relating to design, upgrade, and operating and maintenance of networks.
• Network troubleshooting, performance analysis, and security issue resolution
• Network hardware installation, maintenance, and upgrades
• Adobe and Microsoft licensing server administration in multi-user environments
• Demonstrated on-the-job experience with systems integration.
• Security Clearance Level: TS/SCI with Polygraph
• Preferred qualifications:
• Providing technical consulting and guidance to government customers and stakeholders
• Security accreditation assessments and reviews of standalone network environments
• Windows Active Directory administration
• Cloud platform operations, monitoring, and performance management
• Cloud architecture, deployment, and implementation
• Experience working within customer security and accreditation environments
• Programming experience in Java and C++

• Experience programming Android and iOS compatible applications.
• Development of multi-user GUI applications and databases within macOS environments
• Network design, engineering, and configuration
• Location: McLean, VA - On Customer Site

GDIT IS YOUR PLACE:

• 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

#OpportunityOwned

#GDITCareers

#WeAreGDIT

#JET

#GDITEnhanced2026

#VA_2026Alumni

Work Requirements

Years of Experience

10 + years of related experience

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

Certification

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required