70 windows systems administrator jobs at 43 companies in Lyons, CO
1mo
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Windows Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOETS/SCI polygraph eligible, 2+ years related experience or equivalent, experience with Windows Server, patching, SCCM/MECM, Group Policy, Tenable/SCAP, VMware/VDI, and strong documentation and communication skills.
Windows Server, SCCM, MECM, Tenable, SCAP, VMware, VDI, Active Directory, Group Policy, PowerShell, Sentinel 1, RSA, PING-Id, Commvault, Veeam, PPDM, Networker, JIRA
1mo
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Systems Administrator-Cleared
Denver or Folsom
$120k-$165k/yr OnsiteFull Time
3+ YOEActive TS/SCI required, 3+ years systems administration experience; manage Microsoft 365/Azure, Intune, Okta, AD, Windows/Linux servers, virtualization, Fortinet networking, and scripting (PowerShell/Bash/Python).
Microsoft 365, Microsoft Azure, Microsoft Intune, Okta, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft Defender, Windows Server, Linux, Ubuntu, RHEL, CentOS, VMware vSphere, Hyper-V, Fortinet, FortiGate, FortiSwitch, FortiClient, Active Directory, PowerShell, Bash, Python, ServiceNow, Jira Service Management
6d
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Senior Systems Administrator
Loveland or Ames
$95k-$105k/yr HybridFull Time
6+ YOEBachelor’s degree or equivalent experience; 6+ years in enterprise infrastructure or systems administration; expertise in Windows Server, Active Directory, DNS/DHCP, Group Policy, VMware, PKI, email authentication, vulnerability remediation, and PowerShell.
Windows Server, Active Directory, VMware, DNS, DHCP, Group Policy, DKIM, SPF, DMARC, SSL/TLS, PKI, PowerShell
4d
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Systems Administrator
Aurora, Colorado, United States
$128k-$214k/yr OnsiteFull Time
15+ YOEBachelor's degree in a technical discipline or 5 additional years of experience; 15+ years in systems administration or related IT; RHEL experience; TS/SCI with polygraph required.
Red Hat Enterprise Linux (RHEL), Microsoft Windows, AWS
2mo
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Systems Administrator
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree with IT experience; TS/SCI clearance with poly; Linux/Windows admin; VMware; NAS storage; after-hours support.
Linux, Windows, VMware, NetApp, ON-TAP, RMF, STIG, Nessus, Tenable, Active Directory, GPO, Splunk
3mo
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IT Systems Administrator
Englewood, Colorado, United States
$90k-$120k/yr OnsiteFull Time
4+ YOE4+ years IT systems administration; experience with cloud-native identity platforms (JumpCloud, Microsoft Entra ID/Azure AD), MDM, Windows and macOS endpoints, Ubiquiti UniFi, Zebra printers, and multi-site support.
Microsoft 365, Google Workspace, AWS, Warehance, Ubiquiti UniFi, JumpCloud, Microsoft Entra ID (Azure AD), Active Directory, RADIUS, Zebra ZPL, PrintNode, QZ Tray, Intune, Jamf, Kandji, PaperCut, AWS IAM
4d
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Sr. Systems Administrator
Denver, Colorado, United States
$136k-$166k/yr OnsiteFull Time
10+ YOERequires 10 years of systems administration experience or equivalent education, TS/SCI with active CI polygraph, systems and network expertise, operating systems knowledge, ITSM experience, and leadership abilities.
Windows, macOS, Linux, ITSM, Active Directory, ServiceNow, Remedy, Jira Service Management, CompTIA Server+, Microsoft Certified Systems Administrator, Red Hat Certified System Administrator
2mo
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Systems Administrator
Greenwood Village, Colorado, United States
$80k-$95k/yr HybridFull Time
3+ YOE3+ years systems admin/support experience with server, network, and cloud operations; experience with Windows AD, GPO, PowerShell, Intune/MDM, API tooling, disaster recovery, documentation, and stakeholder communication. Relevant certifications preferred.
Windows AD, GPO, PowerShell, API, MDM, Microsoft Intune, Linux
1d
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Principal Systems Administrator
Westminster, Colorado, United States
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree and 6 years of related experience, or high school diploma and 10 years. Requires Windows, VMware, Active Directory, DNS, DHCP, TCP/IP, PowerShell, hardware, security, and DoD 8570 expertise.
Microsoft Windows, VMware, VMware vSphere ESXi, VMware vCenter, VMware vRealize Operations Manager, Microsoft Active Directory, PowerShell, Linux, AutoCAD, SolidWorks, ANSYS HFSS, DNS, DHCP, TCP/IP
1w
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Technical Systems Administrator II
Louisville, Colorado, United States
$87k-$120k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent and typically 2+ years IT systems experience. Proficiency in OS installation/configuration, networking, virtualization, scripting, backup/recovery, Windows/Active Directory administration.
Ansible, Puppet, Chef, AWS, Azure, Active Directory, Computer Management
1mo
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Systems Administrator - Active Polygraph Required
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
0+ YOEActive Top Secret/SCI with adjudicated Full Scope Polygraph required; Linux and Windows server administration, VMware and NAS (NetApp/ONTAP) experience; DOD 8570 IAT Level 2 (or obtain within 6 months); ability to lift 40 lbs and support after-hours; travel ~25%.
Linux, Red Hat Enterprise Linux, Windows Server, Windows 10, VMware, ESXi, NAS, NetApp, ONTAP 8.x, CDOT, Splunk, Tenable, Nessus, iptables, Active Directory, Microsoft SharePoint, Group Policy (GPOs)
3w
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Systems Administrator, DCO (Colorado Passport Agency)
Centennial, Colorado, United States
$66k-$106k/yr OnsiteFull Time
0+ YOEActive U.S. citizenship and Secret clearance, Windows systems administration experience, ServiceNow/Remedy, SCCM, Active Directory, vSphere, SQL, Microsoft Defender, networking fundamentals; bachelor/master/associate/HS experience combinations listed.
SCCM, Active Directory, vSphere, SQL, Microsoft Defender, ServiceNow, Remedy, IBML Scanner Appliances, Cisco
3mo
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IT Systems Administrator Manufacturing and Corporate Systems
Commerce City, Colorado, United States
$29-$44/hr OnsiteFull Time
3+ YOE3–5 years administering IT systems (preferably in manufacturing). Strong Microsoft stack knowledge (Windows 10/11, Windows Server, Active Directory, Microsoft 365/Entra ID, Azure, PowerShell), networking, virtualization, CAD support (SolidWorks/Catia/NX/MATLAB), and user support; willingness for occasional evenings/weekends and up to 10% travel.
Windows 10, Windows 11, Windows Server (2012R2–2022), Active Directory, Microsoft 365, Entra ID, Azure, PowerShell, SolidWorks, Catia, NX, MATLAB, VMware, AWS, Python, Bash, C#, JavaScript, SQL, KQL, Linux, MacOS, ERP, Manufacturing Execution Systems
3w
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IT Systems Administrator Senior - IT
Greenwood Village, Colorado, United States
$105k-$115k/yr OnsiteFull Time
5+ YOE5+ years administering enterprise Windows and Linux server environments, virtualization (VMware vSphere/Hyper-V), Active Directory, DNS/DHCP, backups/DR, networking fundamentals, and security best practices.
VMware vSphere, Hyper-V, Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy
1w
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JEI - IT Systems Administrator Level I
Lakewood, Colorado, United States
$65k-$75k/yr OnsiteFull Time
3+ YOE3+ years administering Windows endpoints with Intune/Autopilot, Active Directory/Entra ID administration, PowerShell/Microsoft Graph scripting, enterprise patching and endpoint security, and experience with incident/change management.
Microsoft Intune, Windows Autopilot, Configuration Manager (SCCM), Active Directory, Microsoft Entra ID, SAML, OIDC, PowerShell, Microsoft Graph, VMware vSphere, Veeam, Git, Microsoft 365, Microsoft Defender, Exchange Online, SharePoint, OneDrive, Microsoft Teams, Windows Server, Linux
4w
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Information Technology (IT) Systems Administrator II
Westminster, Colorado, United States
$25-$35/hr OnsiteFull Time
1+ YOE1-3 years corporate IT experience; associate degree or equivalent; administer Windows and Linux systems; networking knowledge; strong communication, troubleshooting, and customer service skills; security/government compliance experience preferred.
Ubuntu, Windows 11, Windows Server 2019, Windows Server 2022, VMware ESXi, Microsoft 365, SharePoint, WSL, Active Directory
3w
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Systems Administrator, DCO (Colorado Passport Agency)
Centennial, Colorado, United States
$66k-$106k/yr OnsiteFull Time
0+ YOEU.S. citizen with active Secret clearance. Windows systems admin experience, troubleshooting hardware/software, enterprise end-user support, networking basics, and ServiceNow or Remedy experience. Degree/experience combinations specified.
ServiceNow, Remedy, SCCM, Active Directory, vSphere, SQL, Microsoft Defender, IBML Scanner Appliances, Intermec PM43, TCP/IP, DNS
1w
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Information Technology Application Systems Administrator (ASA)
Windsor, Colorado, United States
$65k-$72k/yr OnsiteFull Time
5+ YOE5+ years managing enterprise applications, 2 years IT/project/change management, experience with Windows/TCP-IP, familiarity with municipal enterprise apps, bachelor\u0002s preferred, Colorado driver\u0002s license, ability to perform security audits.
SharePoint, OneDrive, Laserfiche, Novus Agenda, NEOGOV, RemitPlus, Springbrook, Adobe Sign, Adobe Workflows, Cartegraph, ArcGIS, E-Force, Envisio, Resource X, Microsoft Office, Microsoft Windows, TCP/IP
4w
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Systems Administrator (TS/SCI Clearance Required with agreement to obtain CI Poly)
Alexandria or Chantilly or Englewood or Gaithersburg or Tucson or Saint Louis
OnsiteFull Time
Active TS/SCI clearance with agreement to obtain CI Poly, Linux/Windows administration, virtualization (VMware/KVM), automation (Ansible, PowerShell, Bash, Python), cloud (AWS GovCloud/Azure Government), STIG/RMF compliance, DoD 8570 IAT II/III, bachelor's degree preferred.
Red Hat Enterprise Linux, CentOS, Windows Server, VMware, KVM, Ansible, Bash, PowerShell, Python, AWS GovCloud, Azure Government, ACAS, Git, Jenkins, Docker, DNS, DHCP, Active Directory, PKI
5d
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System Administrator
Aurora or Texas
$130k-$165k/yr OnsiteFull Time
Active TS/SCI clearance with CI polygraph, hands-on Windows and Linux administration, infrastructure troubleshooting, networking, virtualization, automation, security, and onsite Colorado work.
Windows, Linux, Windows 11, Windows Server 2022, Red Hat Enterprise Linux 8/9, Microsoft 365, Active Directory, Group Policy, DNS, DHCP, Exchange, WSUS, Kickstart, Bash, PowerShell, Git, Ansible, Terraform, Packer, GitLab, CI/CD, Nexus, Podman, Kubernetes, RKE2, K3s, Trident, Cisco Catalyst, Cisco Nexus, Palo Alto, Cisco VoIP, NetApp, Synology, Pure Storage, Veeam, Grafana, Prometheus, SolarWinds, Elastic Stack, Splunk, Nessus, Trellix, SCAP, CMMC
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