489 systems administrator jobs at 291 companies in Colorado
4d
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Systems Administrator
Scottsbluff or Greeley
$70k-$93k/yr OnsiteFull Time
2+ YOERequires 2+ years of desktop support or network administration, or 3–5 years of systems administration for level II, or 6+ years for level III. Microsoft 365 Administration and/or Entra AD required; travel required.
Microsoft 365, Entra AD, Microsoft, VMware
4d
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Systems Administrator
Greeley or Scottsbluff
$70k-$93k/yr OnsiteFull Time
2+ YOERequires 2+ years of desktop support or network administration experience for Level I, 3–5 years systems administration for Level II, or 6+ years for Level III; Microsoft 365 Administration and/or Entra AD required.
Microsoft 365, Entra AD, Microsoft, VMware
3mo
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SYSTEMS ADMINISTRATOR
Colorado Springs, Colorado, United States
$65k-$80k/yr OnsiteFull Time
3+ YOEMid-level Systems Administrator with active Secret clearance, security certifications, Windows AD, cloud experience, and compliance in regulated environments.
Windows, Active Directory, Group Policy, Endpoint management, AWS, Azure, VMware, Microsoft 365 GCC High, Intune, Microsoft Defender, Purview
3w
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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
3w
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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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Senior Systems Administrator
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
2+ YOEActive DoD Secret or Top Secret clearance, 2+ years systems administration experience, Linux and Active Directory administration, automation with Ansible/Terraform/Docker/Kubernetes, AWS familiarity, CompTIA Security+ required; Confluence and Jira experience.
Active Directory, Ansible, AWS, Confluence, Docker, Jira, Kubernetes, Linux, Packer, Terraform
2mo
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Systems Administrator II
Lakewood, Colorado, United States
$92k-$105k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years systems administration experience, Microsoft 365 and Windows Server expertise, IT service desk experience, Azure and network/security experience preferred.
Windows Server, Microsoft Azure, Microsoft 365, Active Directory, Group Policy, VPN
6d
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Systems Administrator III
Denver, Colorado, United States
RemoteFull Time
6+ YOE6+ years in systems administration, Microsoft 365 infrastructure, data architecture, security, firewalls, servers, Windows servers, and ITIL; bachelor's degree or equivalent experience required.
Microsoft 365, SharePoint, Microsoft Teams, OneDrive, Microsoft Azure Active Directory, SAML, Windows Server, ITIL
1mo
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JIRA Systems Administrator
Colorado Springs, Colorado, United States
$90k-$105k/yr OnsiteFull Time
5+ YOE5+ years systems administration experience with strong JIRA/Confluence expertise, Security+ certification, US citizenship, Secret clearance, Bachelor's degree (or equivalent experience), DoD experience preferred.
JIRA, Confluence, Microsoft SharePoint, Microsoft Server, VMWare, SAN
1w
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Systems Administrator II
Aurora or Aurora
$70k-$75k/yr OnsiteFull Time
Bachelor's degree or equivalent experience, 2–6 years in systems administration, Windows/Linux, virtualization, networking, DoD security compliance, Secret clearance, and IAT-Level II certification or higher.
Windows, Linux, VMware, Hyper-V, TCP/IP, DNS, DHCP, DISA STIGs, RMF, CompTIA Security+
3w
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Systems Administrator Senior
Colorado Springs, Colorado, United States
$135k-$165k/yr OnsiteFull Time
10+ YOERequires 10+ years and a master's, 18+ years and a bachelor's, or 25+ years and an associate degree; Top Secret with SCI eligibility; cybersecurity or systems administration certification; Linux, networking, virtualization, automation, and scripting expertise.
Linux, Red Hat Enterprise Linux (RHEL), Microsoft Windows, Ansible, YAML, CISCO, Bash, Python, Local Area Network (LAN), Wide Area Network (WAN)
1mo
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Systems Administrator II
Broomfield, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years systems administration, CompTIA Security+/DoD 8570 IAT II, Active Directory, VMware, endpoint hardening, STIG/RMF familiarity, TS/SCI eligible.
Active Directory, VMware, PowerShell, Python, Bash, RHEL, Windows
1mo
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Sr Systems Administrator
Colorado Springs, Colorado, United States
$132k-$220k/yr OnsiteFull Time
10+ YOE10+ years managing DoD Windows environments, advanced virtualization, networking, security, and systems administration. Requires DoD 8570 IAT II certification, VDI certification, U.S. citizenship, and Top Secret/SCI clearance.
Nutanix HCI, Citrix CVAD, VMware ESXi, Dell VxRail, Microsoft Group Policy Objects (GPOs), WSUS, MECM, SCCM, SQL Server, Windows 10, Windows 11, PKI, KVMs, OSI, Wireshark, tcpdump, F5, NetScaler, GSLB, Amazon Web Services (AWS), Microsoft 365, HBSS, Axway Tumbleweed, OCSP, Everfox, Forcepoint, Raytheon, PowerShell, DNS, DHCP, Infoblox, Windows Failover Cluster, SPNs
2mo
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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
3w
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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
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
1mo
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GCCS Systems Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
5+ YOERequires Top Secret/SCI clearance, GCCS-J experience or 5+ years Windows/Linux systems administration, BS (or equivalent), VMware, Microsoft Active Directory, DoD 8570 IAT Level II certification, and ability to travel up to 50%.
GCCS-J, Windows, Linux, VMware, Microsoft Active Directory (AD), Microsoft Operating Systems, Oracle, Sybase, Postgress, Tomcat, JBoss, NFS, SSH, NTP, LDAP, HTTP, Ansible
2w
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Business Systems Administrator
Colorado Springs, Colorado, United States
$75k-$95k/yr HybridFull Time
3+ YOERequires 3+ years of systems administration experience, Salesforce and Microsoft 365 administration, Intune and identity management, end-user support, documentation, discretion, and hybrid work in Colorado Springs.
Salesforce, Microsoft 365, Exchange Online, Microsoft SharePoint, Microsoft Teams, OneDrive, Microsoft Entra ID, Microsoft Intune, Autopilot, Apple Business Manager, Dialpad, Microsoft Graph, BambooHR, PowerShell
2w
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Systems Administrator I
Boulder, Colorado, United States
$75k/yr HybridFull Time
Requires a bachelor's degree or equivalent experience, Windows systems knowledge, networking fundamentals, ticketing-system experience, communication skills, U.S. work authorization, and ability to obtain Public Trust clearance.
Windows, Sunflower, Service Desk Plus, LAN, WLAN, TCP/IP, DNS, DHCP, Microsoft Office, UNIX, Linux, macOS, Druva, BigFix, TeamViewer, Jamf Pro, Apple Business Manager, FISMA, NIST 800-53, Risk Management Framework (RMF)
9h
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Senior Staff Systems Administrator
Warrenton or Florida or Colorado Springs
$100k-$130k/yr HybridFull Time
Requires IT-related degree or equivalent experience, active SECRET clearance, US citizenship, systems administration, hardware management, Ansible automation, troubleshooting, configuration management, and technical documentation.
Ansible, PXE, GitOps, CI/CD, GitLab, JFrog Artifactory, Harbor, Microsoft Udemy
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