96 linux system administrator jobs at 42 companies in Monument, CO
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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
1w
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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
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
1w
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Sr Linux Administrator
Centennial or Louisville
$136k-$187k/yr OnsiteFull Time
8+ YOEBachelor's or equivalent, typically 8+ years related experience, 3+ years cloud experience (AWS/Azure), advanced systems administration, security, scripting/automation, and leadership/mentoring skills.
AWS, Azure, Docker, Kubernetes, Jenkins, Ansible, Puppet, Chef
6h
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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
1mo
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System Administrator - Journeyman
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
3+ YOELinux/RHEL administration, Microsoft Windows knowledge, Group Policy, Cisco networking, virtualization, LAN/WAN and backup tech, COMSEC and IL4+ experience, RMF familiarity, Bash and Python, Top Secret/SCI clearance, and relevant cyber/sysadmin certifications.
Linux, RHEL, Microsoft Windows, Group Policy, Cisco, Bash, Python, AWS Cloud
1mo
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System Administrator Level 3
Colorado Springs, Colorado, United States
$94k-$141k/yr OnsiteFull Time
3+ YOEU.S. citizen with active Top Secret/SCI; Bachelor's +5 years or Master's +3 years (experience may substitute); CompTIA Security+ (IAT Level 2); Linux/Windows/VMware administration; IT service management experience.
Linux, RHEL 7, RHEL 8, Windows 11, Windows Server 2019, VMware, Red Hat OpenStack, OpenShift, Jira, Jira Service Management, Confluence, Bitbucket, Ansible, Terraform, ServiceNow, Remedy, Active Directory, LDAP, GPOs, DNS
1mo
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System Administrator - Journeyman
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
3+ YOE3+ years sysadmin experience with Linux/RHEL and Windows, CISCO networking, virtualization, LAN/WAN, COMSEC and RMF knowledge; Bash and Python scripting; Top Secret/SCI clearance; cyber/sysadmin certifications (Security+, Red Hat, AWS, CCNA or DoD 8140).
Linux, RHEL, Microsoft Windows, Group Policy, Cisco, LAN, WAN, Risk Management Framework (RMF), COMSEC, Bash, Python, AWS
3w
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SIM System Administrator I
Fort Carson, Colorado, United States
$63k-$65k/yr OnsiteFull Time
5+ YOEBA/BS in IT or related (or 3 additional years experience),5 years computer systems experience, IAT Level I, active SECRET clearance, US citizenship, TCP/IP, Linux/Windows troubleshooting, familiarity with AFATDS,JADOCS,AMDWS,TAIS,JBCP,CPCE.
TCP/IP, Linux, Windows, AFATDS, JADOCS, AMDWS, TAIS, JBCP, CPCE
1mo
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System Administrator Level 3
Colorado Springs, Colorado, United States
$94k-$141k/yr OnsiteFull Time
3+ YOEUS citizen with active Top Secret/SCI, 3+ years experience (Bachelor+5 or Master+3), CompTIA Security+ (IAT Level 2), Linux/Windows and VMware administration, ITSM tools, team leadership of 24/7 operations.
Linux (RHEL 7/8), VMware, RedHat OpenStack, OpenShift, Jira Service Management, ServiceNow, Remedy, Jira, Confluence, Bitbucket, Ansible, Terraform, Active Directory, DNS, LDAP, GPOs, Windows 11, Windows Server 2019
1mo
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Senior, System Administrator (TS/SCI Needed) (39393)
Colorado Springs, Colorado, United States
$93k-$172k/yr OnsiteFull Time
4+ YOESystem administration experience with AWS AMI/EC2, Windows and Red Hat Linux, security hardening/STIG, patch automation, and relevant DoD certifications; TS/SCI clearance required.
Amazon Web Service (AWS), Amazon Machine Images (AMI), EC2, Packer, Viper, AWS Systems Manager, Jenkins, GitLab Runner
2w
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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
2mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
7+ YOETS/SCI with Polygraph required; DoD 8570 IAT Level II (Security+ or CISSP) required or must obtain; Bachelor’s degree in CS/IT; ~7 years Linux system administration and network troubleshooting; cloud (AWS), DevOps, Puppet/IPA/Kubernetes/Ansible experience preferred.
Linux, Nutanix, AWS, IPA, Puppet, Kubernetes, Ansible
1w
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System Administrator- Must have TS/SCI Poly clearance
Aurora, Colorado, United States
$69k-$131k/yr OnsiteFull Time
2+ YOEActive transferable TS/SCI with CI poly, DoD 8570 IAT Level 2 cert, bachelor\u0002s and ~2 years experience, Linux RedHat and Microsoft Windows experience, virtualization/cloud (Citrix, VMware, AWS), 24x7 operations support.
Linux RedHat, Microsoft Windows, Citrix, VMware, Amazon Web Services (AWS), Cloudera, Oracle, Dell/EMC, Isilon/PowerScale, NetApp
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
1mo
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Network/System Administrator (Net/Sys Admin) I
Colorado Springs, Colorado, United States
$72k-$97k/yr OnsiteFull Time
1+ YOETS/SCI with polygraph required, 1+ years IT experience, working knowledge of Windows/Linux/CISCO/virtualization, ability to obtain IAT Level I, familiarity with DoD policies, lift up to 50 lbs.
Microsoft Windows Server, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft Office Toolkits, SIEMs, Logrhythm, ACAS/Nessus/SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, MS SQL, Apache, CISCO
1mo
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Network/System Administrator (Net/Sys Admin) I
Colorado Springs, Colorado, United States
$72k-$97k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
1+ YOETS/SCI with polygraph required, IAT Level I within 6 months, 1+ years related experience, knowledge of Windows/Linux/virtualization, networking, SIEM, and DoD policies; ability to lift 50 lbs.
Microsoft Windows Server, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, Microsoft SQL Server 2012, TomCat, IIS, Windows Server 2012r2, Windows Server 2016, Windows 10, Red Hat 6.5, Microsoft Office, SIEM, LogRhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, VOIP, Oracle, Apache, CISCO
2mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
7+ YOEDoD 8570 IAT Level II (Security+ or CISSP) or willingness to obtain; BS in CS/IT; 7+ years Linux server/desktop administration and network troubleshooting; DevOps knowledge; willingness to learn.
Linux, AWS, Puppet, IPA, Kubernetes, Ansible, Scripting
2mo
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ITS System Administrator (Lakewood, CO, US)
Lakewood, Colorado, United States
$78k-$98k/yr OnsiteFull Time
5+ YOE5+ years in systems administration; 2+ years configuring Azure/Office 365; strong Windows Server, virtualization, AD, backups; ITIL knowledge.
Microsoft Windows Server, Active Directory, Azure, Office 365, VMware, SQL, PowerShell, SharePoint, Exchange Online, Linux/Unix
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Systems Administrator
Schriever AFB, Colorado, United States
$100k-$120k/yr OnsiteFull Time
2+ YOEActive DoD Secret clearance, DoD 8140 IAT Level II (or equivalent) certification,2+ years experience, UNIX/Linux/Windows/Cisco/Juniper administration, MS Office proficiency, and missile defense systems knowledge.
UNIX, Linux, Windows, Cisco, Juniper, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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