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

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Apple Mac OS, Git, Microsoft Windows

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

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

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.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA McLean

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

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