Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Endpoint Manager, Microsoft Windows, Microsoft Windows Server, Systems Engineering Certifications: MCSE - Microsoft - Microsoft Experience: 10 + years of related experience US Citizenship Required: Yes Job Description: Transform technology into opportunity as a Windows 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. HOW A WINDOWS SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT Proactively maintain and develop all Windows infrastructure technology to maintain a 24x7x365 uptime service Engineer systems administration-related solutions for various project and operational needs Maintain best practices for managing systems and services across all environments Perform fault-finding, analysis, and logging of information for reporting of performance exceptions Proactively monitor system performance and capacity planning Manage, coordinate, and implement software upgrades, patches, and hot fixes on servers and workstations Create and modify scripts or applications to perform tasks Provide input on ways to improve the stability, security, efficiency, and scalability of the environment Collaborate with other teams and team members to develop automation strategies and deployment processes WHAT YOU’LL NEED TO SUCCEED: Education: Bachelor's degree in Computer Science, Information Systems, or similar relevant degree, or equivalent experience Required Experience: 10+ years in Windows Systems Administration Required Technical Skills: Strong background in Microsoft Systems Engineering and providing support to those systems Microsoft operating systems including Windows Server 2016 or later Active Directory (AD), specifically: Health of AD to include, but not limited to, AD Sites and Services/Replication; Group Policy Implementation to include registry changes; Permissions (security and/or file) related to user accounts, OUs and shares; DNS, DHCP; LDAP integration with non-Microsoft based applications Experience maintaining and managing Microsoft Endpoint Configuration Manager (MECM), specifically: Software package creation and distribution; Imaging Windows workstations and servers (virtual and physical); Patch management; Integration of Windows Defender with MECM Strong knowledge of virtualization Windows workstations/servers hosted within VMware Current experience in the Sponsor's classified and unclassified distributed work environment architectures and systems Management of stand-alone Microsoft Certificate Authority Immediate response may be required to restore or maintain system functionality (Tier 3 troubleshooting) Familiarity with Jira and Confluence Security Clearance Level: Active TS/SCI with Polygraph Location: Herndon, VA, on customer site Advantageous Certifications: MCSE Other Preferred Skills: Knowledge of and experience with security best practices and technologies, including patch management, hardening of Windows systems Familiarity with PowerShell scripts to run/edit Knowledge of customer enterprise services and customer specific compliance requirements Management of MFA implementations In-depth knowledge of VMWare and ESXi Previous experience with storage devices including NetApp Demonstrated capacity to understand and communicate technical ideas, concepts, and thoughts across multiple technical and non-technical stakeholders Experience scripting system administration tasks in PowerShell US Citizenship Required 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 The likely salary range for this position is $187,000 - $253,000. 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 Herndon 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 Thank you for visiting the GDIT Referral Careers portal. Here you can apply for jobs, update your contact information and check the status of your job applications. At GDIT our people are supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that’s important. Join GDIT and make it your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world. For more information about GDIT's Privacy Policy, click here: Privacy Policy | GDIT

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3 Nov, 2026

Gdit

Directory Services Systems Administrator - Active Top Secret required

Full time
DevOps & Infra

$107.7k–140.3k/yr

USA DC Washington - Customer Proprietary (DCC076), United States of America

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