607 windows system administrator jobs at 241 companies in Greenbelt, MD
22h
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Windows System Administrator
Dahlgren, Virginia, United States
OnsiteFull Time
5+ YOERequires active DoD TS/SCI clearance, 5+ years of systems administration experience, Windows Server expertise, DoD 8140 certification, virtualization and cybersecurity experience, and strong troubleshooting and communication skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, VMware vSphere, Microsoft Endpoint Configuration Manager, MECM, SCCM, HBSS, ACAS/Nessus, Jira, Cherwell, ServiceNow, vRealize, CloudBolt, Docker, Kubernetes, Microsoft Azure, AWS, PowerShell, Python, Ansible, Git, NAS/SAN, NFS, iSCSI, Microsoft Exchange, IIS, RMF, STIG Viewer
1mo
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Windows System Administrator
College Park, Maryland, United States
OnsiteFull Time
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
3w
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Windows Senior System Administrator
Germantown, Maryland, United States
$100k-$120k/yr OnsiteFull Time
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
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
1mo
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Classified Windows System Administrator
El Segundo or Chantilly
$75k-$113k/yr OnsiteFull Time
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
2w
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Windows System Administrator - 2nd Shift
Arlington, Virginia, United States
OnsiteFull Time
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
1mo
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Windows System Administrator (SA) 2 w/ Poly
Fort Meade, Maryland, United States
$150k-$180k/yr OnsiteFull Time
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
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
1mo
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Windows System Administrator (SA) 2 with Poly
Fort Meade, Maryland, United States
$140k-$180k/yr OnsiteFull Time
10+ YOERequires 10 years of system administration experience, a technical bachelor's degree or 14 years' experience, IAM Level I certification, and TS/SCI with polygraph clearance.
UNIX, Windows
6d
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Windows Systems Administrator
Arlington, Virginia, United States
OnsiteFull Time
10+ YOERequires active Top Secret clearance with SCI eligibility, DoD 8140/8570 IAT-II certification, and 10 years of enterprise Windows systems engineering or administration experience.
Windows, Active Directory, VMware, Virtual Desktop, DNS, DHCP, SAN, PowerShell
2w
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System Administrator - Windows/Active Directo
Greenbelt, Maryland, United States
$100k-$110k/yr OnsiteFull Time
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
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
2w
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Windows Systems Administrator
Alexandria, Virginia, United States
$140k-$200k/yr OnsiteFull Time
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
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
1w
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Windows Systems Administrator
Washington, District of Columbia, United States
OnsiteFull Time
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
3mo
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System Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
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
2d
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System Administrator
Fort Meade or Clearfield or United States
OnsiteFull Time
Requires 6+ years of MILSATCOM experience, Windows system administration and network management experience, DoD 8570 IA certification, and ability to obtain DoD/NACI IT Level I certification.
Active Directory, Wideband Satellite Communications (SATCOM), Risk Management Framework (RMF), Information Assurance (IA), Operating Systems, WSOTS, Network Control and Earth Terminal (ET), Local Area Networks/Wide Area Networks (LAN/WAN), Windows, IASO, SIPR, NIPR
1mo
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System Administrator
Aberdeen Proving Ground, Maryland, United States
$78k-$176k/yr OnsiteFull Time
5+ YOE5+ years Windows and Linux systems administration; Red Hat/Ubuntu; 3+ years network administration; 1+ year virtualization (VMWare/Hyper-V/Kubernetes); desktop support; inventory and patch management; DoD 8140; Top Secret clearance; HS diploma or GED.
Windows Server, Linux, Redhat, Ubuntu, VMWare, Hyper-V, Kubernetes, SCAP, STIGs
1mo
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System Administrator
Waldorf, Maryland, United States
$45-$55/hr OnsiteFull Time
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
3w
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Senior Windows Systems Administrator
Washington or Sterling or United States
$112k-$179k/yr RemoteFull Time
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
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