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$111k–$150k/yr
Full-time
bachelor degree, professional certificate
Medical plan options, Health Savings Accounts, Dental plan options, Vision plan, 401k with company match, Paid time off
Posted 29d ago
~40 hrs/week
Responsibilities
Operate, secure, and sustain Windows server and client platforms across dynamic multinetwork environments to ensure high availability. Perform Tier II/III troubleshooting, manage configuration baselines, and maintain compliance with security standards like STIGs.
Requirements
Requires an active TS/SCI clearance with a polygraph and US citizenship. Candidates need a Bachelor's degree (or 10+ years experience) and a DoD 8140 Information Assurance certification such as Security+ CE.
Full job description
Type of Requisition:
Pipeline
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:
Group Policy Objects (GPO), IT Troubleshooting, Microsoft Windows Server, Root Cause Analysis (RCA), Windows Server Support
Certifications:
None
Experience:
8 + years of related experience
US Citizenship Required:
Yes
Job Description:
WINDOWS SYSTEMS ADMINISTRATOR
YOUR IMPACT
Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day.
CIO Infrastructure Services (CIS) is growing, and we invite both our experienced incumbents and new team members to be part of what’s next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we’ll strengthen continuity and drive the next generation of innovation.
MEANINGFUL WORK AND PERSONAL IMPACT
As a Windows Systems Administrator supporting enterprise infrastructure services, you will operate, secure, and sustain Windows server and client platforms across dynamic multinetwork environments. You will ensure stable operations, maintain compliance with security and configuration standards, and support mission critical services that require high availability and rapid issue resolution. Your contributions directly improve system reliability, resilience, and readiness across globally distributed environments.
KEY RESPONSIBILITIES:
Administer, operate, and maintain Windows server and endpoint systems across physical, virtual, and cloud environments, ensuring stability, performance, and secure configurations
Perform Tier II/III troubleshooting and root cause analysis for OS level, authentication, GPO, networking, and dependency related issues supporting enterprise services
Manage configuration baselines, apply required updates, support lifecycle planning, and maintain accurate documentation for change, configuration, and operational processes
Support Active Directory, Group Policy, certificate services, server roles, and related identity, access, and configuration services across multiple network domains
Maintain, monitor, and update Windows systems for compliance with security baselines, STIG settings, and enterprise hardening requirements
Coordinate with engineering, cybersecurity, monitoring, and platform teams to ensure secure integrations, dependency mapping, and seamless operations
Maintain server virtualization environments, including building, updating, and troubleshooting virtual machines, templates, hypervisors, and supporting infrastructure
Support operational tasks such as firmware updates, system provisioning, backup/restore activities, template updates, and service availability monitoring
Execute Windows OS and security patching across assigned systems, deploying enterprise approved updates, baseline releases, and third-party patches to maintain security and configuration compliance
Identify and remediate noncompliant systems by reviewing vulnerability and SCAP reports, diagnosing root causes, coordinating corrective actions, and validating remediation across multiple networks
WHAT YOU’LL NEED TO SUCCEED:
EDUCATION: Bachelor’s degree in an IT-related field, or 10+ years of relevant IT experience in lieu of a degree
CERTFICATION: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g. Security+ CE, etc.)
CLEARANCE: Active TS/SCI clearance with a favorable polygraph
Hands on experience administering Windows Server and Windows client OS in enterprise or multinetwork environments
Proficiency with Active Directory, GPO creation/troubleshooting, OS deployment tooling, and PowerShell automation
Experience implementing secure configurations, STIG/HBSS compliance, and OS hardening practices
Familiarity with enterprise patch management, vulnerability remediation, and configuration compliance auditing
Ability to diagnose and resolve complex OS, authentication, and configuration issues across distributed infrastructure
Strong documentation, communication, and collaboration skills
US citizenship required
LOCATION: Onsite
GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.
#CIS
The likely salary range for this position is $111,155 - $150,385. 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:
None
Telecommuting Options:
Onsite
Work Location:
USA MD Annapolis Junction
Additional Work Locations:
USA CO Colorado Springs - 8610 Explorer Dr (COC036), USA DC Washington, USA FL MacDill AFB - 7115 S Boundary Blvd (FLC096), USA VA Springfield - 7770 Backlick Rd (VAS110)
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
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
Related keywords
Windows ServerActive DirectoryGPOPowerShellSTIGHBSSSCAPTS/SCIPolygraphDoD 8140Security+ CEVirtualizationHypervisorsPatch ManagementRoot Cause AnalysisIdentity and Access Management
GDIT is a global technology and professional services company that delivers solutions, technology 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 capabilities in digital modernization, AI, cyber, and software development.
GDIT is part of General Dynamics, a global aerospace and defense company. We have shared our customers’ sense of purpose for over half a century and have a unique understanding of their missions, complex environments, and a rapidly changing world.
Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Offices: Falls Church, Virginia 22042, US
Enterprise ITNetwork Systems IntegrationProfessional and Technical ServicesTraining and Simulationinformation technologyDefenseCybersecurityCloud ComputingArtificial IntelligenceQuantum Computing
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