276 system administrators jobs at 167 companies in Denver, CO
2mo
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System Administrator III
Denver, Colorado, United States
HybridFull Time
7+ YOE7+ years system administration experience with Windows Server, Active Directory, virtualization, Azure, Microsoft 365, Intune, Hyper-V and strong troubleshooting and documentation skills.
Active Directory, Group Policy, DNS, DHCP, Microsoft Azure, Microsoft 365, Office 365, Entra, Exchange Online, SharePoint Online, Teams, Intune, Hyper-V, SAML, SCADA, PowerShell, Azure CLI
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
6d
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Network System Admin
Boulder, Colorado, United States
RemoteContract
3+ YOERequires 3–5 or more years of network systems administration experience, including routing, switching, troubleshooting, security, infrastructure, load balancing, VPNs, and cloud management.
TCP/IP, Virtual Private Networks (VPN), Wide Area Networks, Network Switches, Local Area Networks, Border Gateway Protocol, Dynamic Host Configuration Protocol (DHCP), Load Balancing, Proxy Servers, Open Shortest Path First (OSPF), Internet Protocol Security (IP SEC)
3w
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Experience administering Windows Server 2022, VMware/vSphere, Active Directory and Group Policy in secure/classified environments; DoD 8570 IAT Level II or equivalent; TS/SCI with polygraph required; strong troubleshooting and networking skills.
Windows Server 2022, VMware, vSphere 8, Microsoft Active Directory, Microsoft Group Policy, Splunk, McAfee ePolicy Orchestrator (ePO), Microsoft PowerShell, RHEL 8, RHEL 9, STIGs
3w
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System Administrator
Aurora, Colorado, United States
$62k-$141k/yr OnsiteFull Time
Administer Windows Server 2022, VMware/vSphere, Active Directory, Group Policy; support classified networks; troubleshoot networking; TS/SCI with polygraph and DoD 8570 IAT Level II (e.g., Security+ CE).
Windows Server 2022, VMware, vSphere 8, Active Directory, Group Policy, Splunk, McAfee ePolicy Orchestrator (ePO), Domain Controller, PowerShell, RHEL 8, RHEL 9
1d
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Health System Specialist
Salt Lake City or Seattle or Phoenix or Los Angeles or San Francisco or Denver or Washington or Miami or Atlanta or Chicago or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin
$75k-$173k/yr OnsiteFull Time
1+ YOERequires U.S. citizenship and a degree in hospital or public health administration, related administration with healthcare coursework, or specialized healthcare administration experience. GS-11 requires one year of specialized experience or qualifying graduate education.
Sterile Processing Accountability Tool (SPAT), Risk Identification Triage Mitigation System (RiTMS), USA Hire, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint
1d
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System Administrator for Linux
Aurora, Colorado, United States
$125k-$140k/yr OnsiteFull Time
3+ YOEBachelor's degree in computer science or related field, or 10 years equivalent experience; 5 years as an OS administrator, including 3 years in Linux and operations support. US citizenship, clearance eligibility, and Security+ within 6 months required.
Linux, Windows, AWS, Bash, Perl, Python, Ansible, Puppet, SELinux, EC2
1mo
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System Administrator, Tech Infrastructure
Denver or Saint Petersburg
$60k-$100k/yr HybridFull Time
0.5+ YOETranslate functional specs, document and validate systems, elicit and document user requirements; bachelor’s degree and several months IT experience required.
1d
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System Development Engineer, Aurora Storage : RDS
Denver, Colorado, United States
$129k-$175k/yr OnsiteFull Time
1+ YOEBachelor's degree or CSSLP; 4+ years of systems engineering and administration experience in networking, storage, and operating systems; programming in a modern language; active US government Top Secret/SCI clearance.
C++, C#, Java, Python, Golang, PowerShell, Ruby, SQL
2w
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System Administrator 3 - Linux / Cloud
Centennial, Colorado, United States
$100k-$166k/yr OnsiteFull Time
4+ YOEBachelor in STEM and 4+ years Linux administration experience; cloud (AWS/Azure), monitoring, patching, backups, scripting (Bash/Python) and troubleshooting; strong communication and operational discipline; must be U.S. Person per ITAR.
AWS, Azure, Bash, Python, Ansible, Terraform, Docker, Kubernetes
1w
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Principal Linux System Administrator
Aurora, Colorado, United States
$149k-$184k/yr OnsiteFull Time
8+ YOE8+ years administering Linux (RHEL) with Top Secret clearance, experience in system hardening (STIG/SCAP), virtualization, patch management, networking, troubleshooting, and automation/scripting.
Red Hat Enterprise Linux (RHEL), RHEL 8, RHEL 9, RHEL 10, VMware, VMware vSphere, Podman, Docker, Red Hat OpenShift, Kubernetes, minikube, Image registries, PyPI, Ansible, Bash, Python, Git, GitLab, CI/CD, DISA SCAP Compliance Checker, DISA STIG, Dell servers, SAN
3w
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Senior Associate, ServiceNow - Certified System Administrator
Irvine or Los Angeles or San Francisco or Denver or Washington or Tampa or Atlanta or Chicago or Boston or St Louis or Short Hills or New York City or Philadelphia or Austin or Dallas or Houston or Seattle
$94k-$203k/yr OnsiteFull Time
3+ YOE3+ years managing enterprise systems with ServiceNow focusing on ITSM/ITOM/IRM, ServiceNow CSA required, JavaScript customization skills, agile delivery and team leadership experience.
ServiceNow, JavaScript
3w
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System Administrator / Tier II Support
Greenwood Village, Colorado, United States
$69k-$120k/yr HybridFull Time
2+ YOEMust maintain active TS/SCI with polygraph, DoD 8570 IAT Level II (e.g., Sec+, CISSP), 2+ years relevant experience (varies by degree), Windows, Active Directory, virtualization, networking, scripting, and Linux skills.
Windows, Active Directory, Exchange, VMware, Hyper-V, TCP/IP, DHCP, PowerShell, Bash, Python, Linux, Voice over IP, Microsoft On-Premise Software Center Configuration Management
2w
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IT Student Information System Administrator
Monument, Colorado, United States
$26-$28/hr OnsiteFull Time
Oversee and operate the district Student Information System, ensure data accuracy to CDE guidelines, compile and submit reports (including October count), create training materials; Associates degree or 5 years related experience preferred.
1w
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Principal System Administrator- Must have a TS/SCI active clearance!
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI clearance and U.S. citizenship, Bachelor+5yrs (or advanced+3yrs), Windows and RHEL administration, VMware virtualization, STIG/SCAP compliance, DoDD 8140/8570 certification within 6 months.
Windows Server, Windows 11, RHEL 7, RHEL 8, RHEL 9, VMware ESXi, vCenter, SCAP, ACAS, Splunk, STIG Viewer, Active Directory, Group Policy
1mo
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Staff Linux System Administrator, TS/SCI / Onsite: CO
Littleton, Colorado, United States
$105k-$184k/yr OnsiteFull Time
5+ YOEActive TS/SCI with CI poly, U.S. citizenship, DoD 8572 (e.g., Security+), 5+ years RHEL administration, scripting/automation (Ansible, Python, Bash, PowerShell), DISA STIGs and security hardening experience.
Red Hat Enterprise Linux, Ansible, Python, Bash, PowerShell, DISA STIGs, Nessus, Trellix, Splunk, ACAS, SCAP, NetApp
2w
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System Reliability & Support Specialist Sr. - Production Support
Pittsburgh or Phoenix or Denver or Dallas or Birmingham or Cleveland
$75k-$138k/yr OnsiteFull Time
3+ YOE3+ years IT experience, production support, vulnerability and incident management, OS administration (Windows/Linux), Dynatrace/Logscale, EM/SQL troubleshooting, bachelor's degree preferred.
Dynatrace, Logscale, Jira, Confluence, Service Now, SQL, ETL, SQL Server, Windows, Linux
2mo
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System Administrator/Cloud Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$90k-$237k/yr OnsiteFull Time
3+ YOETop Secret/SCI eligibility required; Kubernetes (K3s) experience; Linux admin; AWS Snowball Edge/Outpost; 3+ years system admin; DevSecOps pipelines; network protocols.
Kubernetes, AWS Snowball Edge, AWS Outpost, Linux, Bash, Python, Git, Ansible, Ingress controllers, Proxy server administration, NPE Certificate Management
3w
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Executive Coordinator for System Vice Presidents
Englewood, Colorado, United States
$35-$58/hr RemoteFull Time
10+ YOE10+ years executive administrative experience, Bachelor’s degree or equivalent experience, strong Microsoft Office and Google Suite skills, excellent organization and communication.
Google Docs, Google Sheets, Google Drive, Google Calendar, Microsoft Office
1mo
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Systems Analyst (audio-visual support, AV system administration )
Westminster, Colorado, United States
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2 years experience or 4+ years' equivalent in audio-visual support, AV system management, and live event production; hands-on experience with AV equipment, ticketing systems, Microsoft Teams, and strong customer service skills.
LED video walls, projection systems, Creston systems, Crestron, Extron, QSYS Systems, Microsoft Teams Rooms, Microsoft 365, Microsoft Teams, ticketing systems, Shure
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