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…