547 windows systems administrator jobs at 227 companies in Pasadena, MD

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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
3d
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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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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
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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Sr. Windows Systems Administrator
Columbia, Maryland, United States
$145k-$165k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
8+ YOEActive TS/SCI clearance, bachelor's or equivalent, 8+ years Windows/AD admin in classified DoD environments, RMF/STIG/C2C experience, PowerShell automation, MECM/WSUS patching, ACAS/Nessus/SCAP and SIEM familiarity.
Windows Server, Windows 11, Active Directory, PowerShell, Microsoft Endpoint Configuration Manager, MECM, WSUS, MDT, WDS, ACAS, Nessus, SCAP, SIEM, Microsoft SharePoint, Hyper-V, NetApp, SAN, Git, Microsoft Defender for Endpoint, AppLocker, WDAC, Azure Government
3d
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Windows/Linux Systems Administrator
Hanover, Maryland, United States
$128k-$214k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBachelor's degree in a technical discipline plus 10 years of systems administration experience, or 15 years without a degree. Requires Windows, Linux, networking, infrastructure, scripting, and troubleshooting expertise.
Windows 11, Ubuntu, Fedora, Juniper, DNS, DHCP, Active Directory, Group Policy, Remote Desktop Services, Hyper-V, PowerShell, Cisco, Dell, HP Device Manager, Splunk, Zabbix, Syslog-ng
3w
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Windows & Linux Systems Administrator
Washington, District Of Columbia, United States
$110k-$140k/yr HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
3+ YOE3+ years Windows/Linux systems administration experience, Active Directory, GPO, SCCM/MECM, virtualization, PowerShell and Bash proficiency; bachelor\u0002s degree or equivalent and ability to obtain Public Trust clearance.
Microsoft SCCM/MECM, Azure Update Management (AUM), Group Policy Objects (GPO), Active Directory, DNS, DHCP, SSH, cron, NFS, Apache, Nginx, Microsoft Universal Print, Hyper-V, VMware, Azure VMs, Bash, PowerShell, Ansible, Puppet
2mo
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Sr Principal Windows / VMWare Systems Administrator - Polygraph
Linthicum, Maryland, United States
$123k-$185k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOESenior Windows/VMware systems administrator for classified environment; TS/SCI with polygraph; Windows AD, GPOs; 8140 baseline; on-site in Linthicum, MD.
Windows, VMware, Active Directory, GPOs, DNS, DHCP, LDAP, Linux
2w
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Windows Systems Administrator
Arlington, Virginia, United States
OnsiteFull Time
Tetrad Digital Integrity
Tetrad Digital Integrity: Provides cybersecurity performance management software and specialized consulting services.
4+ YOEActive TS/SCI clearance, DoD 8750 IAT Level II (e.g. Security+ce), 4+ years Windows server experience, VMware, PowerShell/Python, DISA STIGs, AD/GPO, RDS, SCAP, and strong documentation and troubleshooting skills.
VMware, Remote Desktop Services, PowerShell, Python, Security Content Automation Protocol (SCAP), Group Policy Management (GPO), Windows Task Scheduler, Active Directory, DISA STIGS, BMC Remedy, Linux, Solaris, SAN, NAS, TCP/IP
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
3mo
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Windows Systems Engineer
Herndon, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
16+ YOETop Secret/SCI clearance with poly, degree in related field, 16+ years in systems/cybersecurity engineering or Windows/Linux administration, strong enterprise security experience.
Trellix ENS, Trellix ePO, Trellix EDR, Trellix TIE, Trellix DXL, Data Loss Prevention, Active Directory, AWS, Azure, Virtualization, Enterprise databases, Network monitoring
1mo
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Systems Administrator, Lead (Linux/Windows)
Arlington, Virginia, United States
$150k-$175k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
8+ YOEActive Top Secret/SCI clearance, 8+ years IT systems administration with 3–5 years Linux, DoD 8140 IAT Level II (e.g., Security+ CE), experience with STIGs/RMF, containerization, automation, virtualization, and strong Bash skills.
Linux, Windows, vSphere, Docker, Podman, Ansible, OpenLDAP, Oracle, VMware, Bash, DNS
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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
3mo
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Systems Administrator
Hanover, Maryland, United States
$165k-$175k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
2+ YOEWindows systems administration, AD, imaging, SSH/patching, and security compliance with TS/SCI requirements.
Windows Server, Windows Desktop, Active Directory, GPOs, PXE, MCM, PowerShell, SQL, Nagios, Confluence, Jira, Bitbucket
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
1d
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Systems Administrator
Springfield, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOERequires 5+ years in systems administration or infrastructure, Windows and Linux administration, VMware ESXi/vCenter, DNS/DHCP, networking, scripting, a bachelor's degree in IT or computer science, and Public Trust eligibility.
PowerShell, Bash, VMware vSphere, VMware ESXi, vCenter, Windows Server, Linux, RHEL, DNS, DHCP, NFS, VLANs, AWS, GCP, Azure, Python, VMware VCP, CompTIA Linux+, Microsoft Certifications
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
1mo
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Systems Administrator
Annapolis Junction, Maryland, United States
$156k-$167k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
10+ YOEActive TS/SCI with FSP through MD, 10 years systems administration experience, DoD 8570 IAT Level I, experience with Devops and AWS, UNIX and Windows administration, Tier 1/2 support, system implementation, troubleshooting, and capacity planning.
Devops, AWS, UNIX, Windows
2d
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Systems Administrator
Springfield, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years in systems administration or infrastructure, Windows and Linux expertise, VMware management, networking, scripting, troubleshooting, bachelor's degree in IT or CS, and Public Trust determination.
PowerShell, Bash, VMware ESXi, vCenter, Windows Server, Linux, RHEL, DNS, DHCP, NFS, AWS, GCP, Azure, Python, VMware VCP, CompTIA Linux+, Microsoft Certifications, VLANs
3w
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Systems Administrator
Washington, District of Columbia, United States
$125k-$135k/yr OnsiteFull Time
Galapagos Federal Systems
Galapagos Federal Systems: Provides IT and cybersecurity services for federal defense programs.
5+ YOEActive TS/SCI clearance, 5+ years DoD/IC systems administration, Windows/UNIX administration, RMF/STIG experience, Microsoft 365/Exchange/SharePoint, bachelor\u0002s (or equivalent), willingness for after-hours support.
Windows Server, UNIX, Linux, Microsoft 365, Microsoft Exchange, SharePoint, Active Directory, Group Policy, MS Office, Adobe, SCC