125 linux administrator jobs at 70 companies in Elizabeth, CO
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Linux Administrator II
Westminster, Colorado, United States
$33-$39/hr OnsiteFull Time
2+ YOEBachelor's degree in a technical discipline with 2+ years Linux systems administration; networking fundamentals (TCP/IP, DNS, DHCP, VLANs), cybersecurity best practices, troubleshooting, operational readiness, and strong cross-team communication.
Linux, TCP/IP, DNS, DHCP, VLANs, firewalls
3w
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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
2w
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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 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
5d
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Linux / AWS Systems Administrator
Denver, Colorado, United States
$110k-$160k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, information technology, or related field; 5+ years of Linux administration and network troubleshooting experience; active TS/SCI clearance and DoD 8570 IAT Level II certification required.
Linux, AWS, Nutanix, IPA, Puppet, Kubernetes, Ansible, CompTIA Security+, Linux Command Line
1w
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Staff Linux System Administrator, TS/SCI / Onsite: CO
Littleton or Denver or Bethesda
$118k-$219k/yr OnsiteFull Time
5+ YOERequires active TS/SCI clearance, U.S. citizenship, DoD 8572 certification, 5+ years administering Red Hat Enterprise Linux, scripting, security hardening, troubleshooting, and vulnerability remediation experience.
Red Hat Enterprise Linux, Ansible, Python, Bash, PowerShell, DISA STIGs, Nessus, Trellix, Splunk, ACAS, SCAP, NetApp
3mo
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Senior Linux Systems Administrator (TS/SCI with Full Scope Poly Required)
Aurora, Colorado, United States
$150k-$175k/yr OnsiteFull Time
15+ YOEActive TS/SCI with Full-Scope Poly, 15+ years DoD/IC or private sector experience, BS in a technical field, Security+ or higher/IAT2, AWS and Linux expertise, scripting, Jira/Confluence.
AWS, Linux, Jira, Confluence, Scripting
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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
1mo
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Linux Infrastructure Engineer II/III
Golden, Colorado, United States
$84k-$181k/yr OnsiteFull Time
2+ YOERelevant Bachelor's degree and 2+ years (Level II) or 5+ years (Level III) Linux administration experience; container and orchestration experience (Docker, Podman, Kubernetes); strong scripting, networking, security, and problem-solving skills; US citizenship and ability to obtain DOE access/PIV required.
Linux, Docker, Podman, Kubernetes, Git, Ansible, OpenLDAP, RHEL IdM/IPA, VMware, OpenStack, Proxmox, OpenShift
1w
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Linux System Administration, Senior - Linux Space Systems Support
Westminster or United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree and 4+ years of related experience, or high school diploma and 8+ years. Requires active TS/SCI polygraph clearance, Security+, RHCSA, and 4+ years administering Red Hat Enterprise Linux.
Linux, Ansible Automation, Terraform, Puppet, Chef, VMware, AWS, Microsoft Azure, Podman, Docker, Kubernetes, Python, Ruby, Bash, JavaScript, Git, GitLab, GitOps, DevOps, CI/CD, Red Hat Enterprise Linux
2w
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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
2d
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Database Administrator
Lakewood or Washington or Kansas City or Raleigh or Fort Worth or Tacoma
$108k-$158k/yr OnsiteFull Time
1+ YOEGS-13 applicants need one year of specialized database administration experience equivalent to GS-12, including enterprise financial systems, UNIX/Linux, monitoring, security, changes, cybersecurity, audit readiness, and documentation.
Oracle Database, UNIX, Linux
2w
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Systems Administrator
Schriever AFB, Colorado, United States
$100k-$120k/yr OnsiteFull Time
3+ YOEActive Top Secret/SCI clearance, DoD 8140 IAT Level II, 3+ years experience, UNIX/Linux/Windows administration, troubleshooting hardware/software, Active Directory, and familiarity with Confluence/Jira and Bash scripting.
UNIX, Linux, Windows, Confluence, Jira, Bash, Active Directory
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
2w
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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)
1w
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Systems Administrator (AHT)
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree and 2 years of IT experience; Linux and Windows server administration, VMware, NAS storage, Top Secret clearance, Full Scope Polygraph, and DoD 8570 IAT Level 2 certification required.
Linux, Windows, VMware, NAS Storage, NetApp, ONTAP, Red Hat Enterprise Linux (RHEL), Windows 10, Windows Server, Group Policies (GPOs), Active Directory, Microsoft SharePoint, Splunk, Tenable, Nessus, ESXi, iptables, Wiki
5d
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Systems Administrator I
Thornton, Colorado, United States
$62k-$93k/yr OnsiteFull Time
1+ YOEAssociate degree in information systems, computer science, systems administration, or related field, or two years of relevant experience substituted. One to two years of IT infrastructure experience preferred; Windows/Linux knowledge required.
Windows, Linux, VMware
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
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
1mo
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Senior Basis Administrator
Denver, Colorado, United States
$102k-$153k/yr HybridFull Time
5+ YOEBachelor's degree and 5+ years SAP Basis administration experience; expertise with SAP ERP 6.0+, BW/BW4HANA, SAP platforms (EP, SRM, SCM/APO, TM, PO, Solution Manager, MII); Java/ABAP experience; Linux/Unix, Oracle, BOBJ knowledge; strong analytical and communication skills.
SAP, SAP ERP 6.0, BW/BW4HANA, EP, SRM, SCM/APO, TM, PO, Solution Manager, MII, Java, ABAP, Linux/Unix, Oracle, BOBJ, EarlyWatch reports, OSS
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