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

Clearance Level
Top Secret SCI + Polygraph
Category
IT Infrastructure and Operations
Location
McLean, Virginia
(Onsite Workplace)
Key Skills For Success

Git

Microsoft Windows

Smalltalk

REQ#: RQ231877
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

Salary and Benefit Information

The likely salary range for this position is $127,500 - $172,500. 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.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans