556 windows system administrator jobs at 231 companies in Adelphi, MD

1mo
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Windows System Administrator
College Park, Maryland, United States
OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
1+ YOE1-3 years Windows systems administration experience; manage ServiceNow ticket queues; troubleshoot Windows 10-11; administer Active Directory, DNS, user accounts; ability to lift 50 lbs; U.S. citizenship and Public Trust clearance eligibility.
ServiceNow, Active Directory, Windows 10-11, DNS
1w
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Sr Windows System Administrator
Chantilly, Virginia, United States
$180k-$190k/yr OnsiteFull Time
Quantum Sky
Quantum Sky: Engineers mission-critical technology for federal government and defense sectors.
8+ YOE8+ years Windows systems administration experience; architecture and support of Windows infrastructure including AD, Group Policy, DNS, patching, file servers, Exchange; SCCM/MDT; backup/DR; troubleshooting; strong communication; travel up to 20%.
Active Directory, Group Policy, DNS, SCCM, MDT, Exchange Server, PowerShell, Python, Bash, VMware, Hyper-V, KVM, SQL Server, ServiceNow
2w
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Windows Senior System Administrator
Germantown, Maryland, United States
$100k-$120k/yr OnsiteFull Time
Edgewater Federal Solutions
Edgewater Federal Solutions: Provides IT and cybersecurity services to federal government agencies.
2+ YOEUS citizen with active Top-Secret or Q clearance,2+ years Windows Server administration,AD/GPO management,WSUS/SCCM patching,DISA STIG hardening,documentation skills,and ability to lift 50 lbs and mentor junior staff.
Windows Server, WSUS, SCCM, DISA STIGs, Active Directory, Group Policy Objects (GPO), MS Hyper-V, VMWare ESXi, VMware Horizon vCenter, PKI
2mo
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DS Windows System Administrator
Chantilly, Virginia, United States
OnsiteFull Time
Probity
Probity: Provides IT, cybersecurity, and engineering services to government agencies.
7+ YOE7+ years of Windows systems experience; Active Directory, scripting; patch management; enterprise security.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange, Outlook, Symantec, McAfee, VMware, LAN/TCP-IP, Cisco networking
3w
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Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
3+ YOETS/SCI clearance and U.S. citizenship required. 3+ years enterprise Windows administration, 2+ years virtualization (VMware or Hyper-V). Must meet DoD 8570.01-m IAT Level II (CompTIA Security+). Experience with Citrix, Active Directory, NFS, and EM environments preferred.
Citrix, Windows Terminal Server, VMware, Hyper-V, Windows Admin Center, MS SQL, Puppet, PowerShell DSC, Ansible, Bash, PowerShell, Terraform, Python, NFS, Active Directory
6d
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Windows System Administrator - 2nd Shift
Arlington, Virginia, United States
OnsiteFull Time
GCyber
GCyber: Provides specialized cybersecurity and IT modernization for government agencies.
8+ YOERequires Top Secret/SCI clearance, bachelor's degree in a related discipline, 8+ years of relevant experience, IAT II certification, Windows Server expertise, and working Linux knowledge.
Windows Server, Linux
2mo
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Windows System Adminitrator
Chantilly, Virginia, United States
OnsiteFull Time
Closure Technologies
Closure Technologies: Global technology firm delivering data integration and processing solutions.
7+ YOE7+ years Windows systems experience; AD/LDAP/Centrify; patching; PowerShell/VB; Windows Server 2008/2012/2016; SCOM; Exchange and antivirus.
Active Directory, LDAP, Centrify, PowerShell, VBScript, Windows Server, SCOM, ACS, Microsoft Exchange, Symantec Antivirus, McAfee Antivirus
1mo
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Windows System Administrator (SA) 2 w/ Poly
Fort Meade, Maryland, United States
$150k-$180k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
10+ YOETS/SCI with poly required; Bachelor's in CS/Cyber/IT (or extensive experience); 10+ years SA experience; DoD 8570 IAM Level I; Windows/UNIX system administration, monitoring, troubleshooting, and capacity planning.
UNIX, Windows
1mo
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Windows System Administrator
Chantilly, Virginia, United States
OnsiteFull Time
V2X
V2XNYSE: VVX: Provides logistics, facility management, and mission support services.
7+ YOE7+ years Windows systems experience; hands-on Active Directory, LDAP, Centrify; security patching, PowerShell/VB scripting; experience with Windows Server 2008/2012/2016, SCOM, ACS, Microsoft Exchange/Outlook, and enterprise antivirus.
Active Directory, LDAP, Centrify, PowerShell, VB, Windows Server 2008, Windows Server 2012, Windows Server 2016, Microsoft System Center Operations Manager (SCOM), Access Control Service (ACS), Microsoft Exchange, Microsoft Outlook, Symantec, McAfee, VMware 5, Cisco, TCP/IP, LAN, SAN
1w
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System Administrator - Windows/Active Directo
Greenbelt, Maryland, United States
$100k-$110k/yr OnsiteFull Time
Altech Solutions
Altech Solutions: A federal IT services supporting NASA with cyber, field support, and data analytics capabilities.
6+ YOEBachelor's degree and 6+ years systems administration experience; strong Microsoft/PowerShell skills; familiarity with Linux/UNIX, VMware, OpenShift; U.S. citizenship and ability to obtain Public Trust clearance; onsite at NASA GSFC.
PowerShell, Linux, UNIX, VMware, OpenShift, RHEL, Nexsan, Dell Unity, iDRAC (IPMI), Cisco Software Defined Networking, Microsoft Windows
1mo
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Senior Windows Systems Administrator
Dahlgren, Virginia, United States
$52/hr OnsiteFull Time
The Tatitlek Corporation
The Tatitlek Corporation: Provider of government contracting, facility maintenance, and technology services.
6+ YOE6+ years system administration experience with Windows environments; DoD Secret clearance (or ability to obtain); IAT Level 2 and OS (Windows) certification; experience with WSUS, GPOs, backups, documentation, and end-user support.
WSUS, GPO, Windows Server, Windows Workstations, Thin Client
1w
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Windows Systems Administrator
Alexandria, Virginia, United States
$140k-$200k/yr OnsiteFull Time
B&A
B&A: Provides IT systems integration and data services to federal agencies.
0+ YOEAdminister and sustain Windows server/workstation environments, support LAN/WAN operations, diagnose and resolve complex system/network issues; TS/SCI clearance required; 0+ years specialized experience; bachelor\u0002s degree preferred.
Windows Server
1mo
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System Administrator
Columbia, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
15+ YOE15+ years systems administration experience; bachelor's in technical discipline (or 5yr experience substitute); experience with RHEL, Linux, Windows; TS/SCI with Poly; EMR not mentioned.
Red Hat Enterprise Linux (RHEL), Linux, Windows, AWS
1d
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Windows Systems Administrator
Washington, District of Columbia, United States
OnsiteFull Time
Empower AI
Empower AI: Providing AI-enabled technology solutions for federal government agencies.
5+ YOERequires 5+ years of experience, a bachelor's in IT or related field, Microsoft Windows Server Hybrid Administrator certification, and Secret clearance. Sec+ and ITIL 4 are preferred.
Active Directory (AD), System Center Configuration Manager, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
2mo
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System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
10+ YOESenior System Administrator with 10 years LAN/WAN, 5 years hardware/software ops, Linux and Windows, SELinux, scripting, and security compliance; TS/SCI with Poly clearance.
Linux, Windows, SELinux, RPM, Log review, Scripting, Python, Bash, PowerShell, Ansible
1mo
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System Administrator
Waldorf, Maryland, United States
$45-$55/hr OnsiteFull Time
T12 Technologies
T12 Technologies: Providing IT and logistics solutions for government agencies.
3+ YOE3+ years system administration supporting hybrid on-premises and cloud (AWS, Microsoft 365/Azure); Windows Server and Intune experience; PowerShell/Bash scripting; networking fundamentals; US citizenship and eligibility for Public Trust preferred.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, OneDrive, Microsoft Defender for Endpoint, Purview, Windows Server, Windows 10, Windows 11, PowerShell, Bash, AWS, EC2, S3, IAM, VPC, RDS, CloudWatch, Terraform, CloudFormation, ServiceNow
1w
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Senior Windows Systems Administrator
Washington or Sterling or United States
$112k-$179k/yr RemoteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
10+ YOEU.S. citizen with active Secret clearance, 10+ years Windows Server administration, 7+ years Active Directory experience, 3+ years PowerShell/VB scripting, and knowledge of government IT security.
Windows Server, Microsoft Active Directory, PowerShell, VBScript, Microsoft Project, Microsoft Visio, Windows 11
2mo
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Senior Windows Systems Administrator
Bethesda, Maryland, United States
OnsiteFull Time
Black Canyon Consulting
Black Canyon Consulting: Provides specialized IT and scientific support to federal agencies
5+ YOE5+ years Windows systems administration experience, deep Active Directory expertise, hybrid cloud (AWS/GCP) experience, strong PowerShell automation skills, and hands-on experience with Microsoft server ecosystem and MECM/SCCM.
Windows Server 2019, Windows Server 2022, Active Directory (AD DS), Microsoft Entra ID, ADFS, IIS, SQL Server, Hyper-V, Microsoft Configuration Manager (MECM / SCCM), WSUS, Group Policy (GPO), System Center Virtual Machine Manager, Amazon Web Services, Google Cloud Platform, Microsoft Azure, PowerShell, Kerberos, NTLM, SAML
2w
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Senior System Administrator
Silver Spring, Maryland, United States
OnsiteFull Time
Analytica
Analytica: Provides data analytics and IT solutions for federal government agencies.
3+ YOEBachelor's degree or equivalent experience,3+ years systems administration,active Secret clearance,Windows/Linux administration,VMware virtualization,PowerShell/Python scripting,ServiceNow experience.
Windows Server, Active Directory, Group Policy, DHCP, DNS, MECM, SCCM, VMware vSphere, PowerShell, Python, RHEL, Ubuntu, ServiceNow, Splunk, IIS, SQL Server, NetApp ONTAP, Dell EMC OneFS, Docker, Kubernetes, VMware Tanzu, Rancher, PPSM, RMF, IAVM, STIG
2mo
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Linux/Windows Systems Administrator
Springfield, Virginia, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Provides IT services without mentioning the name.
4+ YOE4 years of experience in Linux/Windows server administration; Bachelor's in IT; Security+ or equivalent; Secret clearance.
Linux, Windows, Bash, Python, PowerShell, VMware, Hyper-V, Docker, Kubernetes, Ansible, Puppet, Chef, AWS, Azure, GCP, Firewalls, Security best practices

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