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Added 8 mins ago
Sentinel - Systems Engineer (20086)
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Northrop Grumman Defense Systems is seeking a Systems Engineer to join our team. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent…
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GD Information Technology, Inc.

Windows Systems Administrator - TS/SCI with Polygraph

United States

The likely salary range for this position is $187,000 - $253,000.

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Job details

Pay: The likely salary range for this position is $187,000 - $253,000.
Experience: Required Experience: 10+ years in Windows Systems Administration
Posting language: English
Posted: Nov 2, 2026

Original job description

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 EngineeringCertifications:

NoneExperience:

10 + years of related experienceUS 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:

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 atgdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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More about this job

Skills

Microsoft Windows
Microsoft Windows Server
IMPACT
System administration
Reporting
Monitor system performance
Computer science
Microsoft Active Directory
Google Sites
DNS
DHCP
LDAP
VMware
Troubleshooting
Jira
Atlassian Confluence
MCSE
Microsoft PowerShell
Regulatory compliance
JET

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