2,539 windows systems administrator jobs at 1,337 companies in United States

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Windows Systems Administrator
Hackettstown, New Jersey, United States
OnsiteFull Time
NetFire
NetFire: Cloud infrastructure and artificial intelligence solutions for businesses.
3+ YOESeeking a customer-focused Windows Systems Administrator to manage Windows servers, Active Directory, Hyper-V, backups, and related infrastructure; strong client-facing support and automation with PowerShell.
Windows Server, Active Directory, Hyper-V, PowerShell, Azure AD, Veeam Backup & Replication, DNS, Networking, Group Policy
1w
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Windows Systems Administrator
Pennsylvania, United States
RemoteFull Time
Unisys
UnisysNYSE: UIS: Provides enterprise-scale IT services and digital transformation solutions.
4+ YOEBA/BS or equivalent with 4+ years relevant experience, deep Windows systems administration expertise, strong troubleshooting and technical support skills, U.S. citizenship and residency required.
Windows
3mo
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Windows Systems Administrator
Potsdam, New York, United States
$71k-$85k/yr RemoteFull Time
Clarkson University
Clarkson University: Private research university providing technological education and academic research.
Windows Server administration, AD, M365, PowerShell, patch management, scripting, monitoring, and on-call rotation.
Windows Server, Active Directory, Group Policy, Microsoft 365, Google Workspace, PowerShell, DNS, DHCP, TCP/IP, Virtualization, WSUS, Nagios, Zabbix, Linux
2mo
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Windows Systems Administrator
Lorton, Virginia, United States
$70k-$130k/yr HybridFull Time
Alpha Omega
Alpha Omega: Delivering digital transformation and IT solutions for federal agencies.
10+ YOE10+ years Windows systems admin with Hyper-V, PowerShell, AD, WSUS, SCCM/PDQ; virtualization, security, patching, and cross-platform admin (Linux)
PowerShell, Hyper-V, Windows Server, PDQ Deploy, SCCM, Group Policy, WSUS, Active Directory, Linux, Azure, AWS, Meraki, XProtect Milestone, Splunk, WhatsUp Gold, PDQ
3w
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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
3w
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Windows Systems Administrator - Senior
United States
RemoteFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
8+ YOE4+ years Windows Server administration; 8+ years IT/systems administration experience; experience with Windows Server 2016/2019/2022, Active Directory, Group Policy, DNS/DHCP, PowerShell, security hardening (STIGs), backups/DR; Bachelor’s in IT/CS or equivalent; Microsoft Windows Server Hybrid Administrator Associate preferred.
Windows Server 2016/2019/2022, Active Directory, Group Policy, DNS, DHCP, PowerShell, System Center, STIGs
2w
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Windows Systems Administrator
Romeoville or Bolingbrook or San Antonio or Mohali
OnsiteFull Time
FIS
FISNYSE: FIS: Provides technology solutions for merchants, banks, and capital markets
3+ YOE3+ years supporting multi-site Windows environments, MTA certification, LAN/WAN experience, on-call rotation, Windows workstation/server upgrades, vulnerability remediation, and collaboration with network/firewall teams.
Microsoft Windows 11, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows 10
3mo
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Senior Systems Administrator, Windows
Kekaha, Hawaii, United States
OnsiteFull Time
Alaka'ina Foundation Family of Companies
Alaka'ina Foundation Family of Companies: Provides technical solutions and mission support to federal agencies.
7+ YOESenior Windows Systems Administrator with DoD RMF/NIST expertise, strong Windows Server, AD, GPO, patching, and cyber security experience.
Windows Server, Active Directory, DNS, DHCP, Group Policy Objects (GPOs), RMF, DISA STIGs, DoD cybersecurity policies, ACAS, ESS, SCAP, SCCM, VMware, Nutanix, PowerShell, Bash, Python, Trellix, LogRhythm, MDE, DoD IT systems, Veeam, Commvault
1mo
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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
3d
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Junior Windows Systems Administrator (5451)
Patuxent River, Maryland, United States
$72k-$119k/yr OnsiteFull Time
SMX
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
1+ YOETop Secret clearance, 1+ year systems administration experience, CompTIA Security+ (or DoD 8570-compliant) certification, Windows workstation/server support, troubleshooting, and configuration management knowledge.
Windows, Linux
3w
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Windows Systems Administrator II
Austin, Texas, United States
$58k-$70k/yr OnsiteFull Time
University of Texas at Austin
University of Texas at Austin: Provides public higher education and conducts academic research.
2+ YOEHS/GED and 2+ years IT support experience including Windows system administration, Active Directory, DNS/DHCP, Windows Server 2016/2019/2022, vulnerability scanning (e.g., Nessus), SIEM (Splunk), PowerShell/Python scripting, familiarity with NIST/CMMC/ISO frameworks; US citizenship and security investigation required; must obtain DoD 8570.1/8140 IA...
NIST 800-171, CMMC, ISO 27001, Nessus, Splunk, SIEM, Active Directory, DNS, DHCP, CIFS/SMB, NAS, SAN, Windows Server 2016, Windows Server 2019, Windows Server 2022, PowerShell, Python, VBScript, VMware, Proxmox, Hyper-V/VMM, Salt, Ansible, Puppet, ServiceNow, Microsoft SCCM/MECM, GPOs, Microsoft WDS/MST, Microsoft Intune, Jamf, Kubernetes, Docker, Podman, Subversion, GIT, Microsoft IIS, Microsoft MSSQL, Oracle
1mo
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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
3mo
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Windows Systems Administrator (Senior)
Huntsville, Alabama, United States
OnsiteFull Time
IPT Associates
IPT Associates: Provides IT and professional services to federal government agencies.
10+ YOETen years of prior Windows Server/AD experience; DoD 8570 Level II/III desired; active security clearance required.
Active Directory, Windows Server, SCCM, Intune, Hyper-V, VMware, PowerShell
3d
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Sr. Windows Systems Administrator
United States
$79k-$110k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Experience administering Exchange, Windows/Linux servers, storage, backups, SCCM, hypervisors; bachelor’s in technical discipline or equivalent experience; ability to lead projects and mentor juniors.
Exchange, MS Windows Server, Linux, SCCM, Hyper-V, NetApp, Nutanix, HP Servers, HP StoreOnce, HYCU, Veeam, SQL Server, AOS, Domino Notes Server, TCP/IP
1mo
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Windows Systems Administrator (Windows, Linux & DevOps)
McLean, Virginia, United States
HybridFull Time
Credence
Credence: Provides technology and management solutions to federal government agencies.
5+ YOEBachelor's or equivalent, public trust eligibility, 5+ years Windows Server administration, Linux and DevOps experience, PowerShell/Bash/Python, virtualization (VMware/Hyper-V), CI/CD and IaC familiarity, strong networking and security knowledge.
Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Active Directory, Group Policy, DNS, DHCP, Microsoft PowerShell, Bash, Python, VMware vSphere, Microsoft Hyper-V, Git, Azure DevOps, GitLab, Jenkins, GitHub Actions, Terraform, Ansible, Docker, Kubernetes, Microsoft IIS, Apache, Nginx
5d
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Principal Windows Systems Administrator - Secret
San Diego, California, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
Current US Secret clearance, Security+ (or greater), extensive Windows/Active Directory administration, GPO, patching, backup/recovery, virtualization, scripting, and experience operating in classified/RMF/STIG-like environments.
Windows, Windows Server, Active Directory, Group Policy, DNS, DHCP, LDAP, Cohesity, Veritas, HBSS, SolarWinds, Splunk, ServiceNow, JIRA
1w
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SCADA Windows Systems Administrator II
Phoenix, Arizona, United States
$75k-$125k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
3+ YOEU.S. citizen able to obtain Public Trust, 3+ years systems administration experience, expertise with Microsoft Windows client and server, Active Directory, VMware, and enterprise server hardware.
Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Active Directory, VMware ESXi 8, Dell-EMC VxRail, Dell-EMC Data Domain, HPE ProLiant Servers, Dell Precision Tower
1mo
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Intermediate Windows Systems Administrator
Fort Huachuca, Arizona, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
2+ YOEActive DoD Secret clearance and DoD 8570 IAT Level II (e.g., Security+ CE, CCNA Security, CySA+); ~2 years' systems administration experience; PowerShell, WSUS/SCCM/MECM, DoD STIGs, documentation, and strong communication skills.
PowerShell, DoD STIGs, WSUS, SCCM, MECM
1mo
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Windows Systems Administrator
Texas, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOE5+ years System Administrator experience with Windows/IIS, PowerShell scripting, MS Active Directory, DevOps toolchain, SQL Server, Kerberos/SPN configuration, packet-trace troubleshooting, and ability to obtain Public Trust.
IIS, Windows Server, PowerShell, Nexus, Jenkins, Quay, OpenShift, Octopus, Microsoft Azure DevOps, GitHub, Microsoft SQL Server Management Studio, Microsoft Active Directory, Wireshark, Fiddler, Kerberos, Service Principal Names (SPNs)
1mo
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Windows Systems Administrator II – Azure (Security Clearance)
Torrance, California, United States
$127k-$159k/yr OnsiteFull Time
Honeywell International
Honeywell InternationalNASDAQ: HON: Designs and manufactures technologies for aerospace, buildings, and industry.
3+ YOEAssociate's in IT/CS, 3+ years system administration, 2+ years cloud (Azure) administration, Secret security clearance, DoD 8140 IAT Level 2 certification, proficiency securing Windows and Cloud environments.
ACAS, STIGs, Splunk, SCC, VMware, Windows 10, Windows 11, Windows Server 2016, Windows Server 2022, Microsoft Azure, Defense Counterintelligence and Security Agency Assessment and Authorization Guide (DAAG), NIST SP 800-53, Risk Management Framework (RMF)