135 linux administrator jobs at 64 companies in Stonegate, CO
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Sr Principal Linux Systems Administrator - Secret
Boulder, Colorado, United States
$129k-$194k/yr OnsiteFull Time
6+ YOEMust hold U.S. Secret clearance, meet 8140 IAT Level II (e.g., Security+) requirements, have extensive Linux server administration in a classified environment, cross-platform OS awareness, and meet degree/experience combination listed.
Red Hat Satellite, Ansible, HBSS, PRTG, Splunk, PowerShell, VMware, NFS, Microsoft Windows, Microsoft Active Directory, Cisco, Windows, Solaris, OSX, UNIX
1mo
Save
Mark Applied
Hide
Sr Principal Linux Systems Administrator - Secret
Boulder, Colorado, United States
$129k-$194k/yr OnsiteFull Time
6+ YOESecret clearance required; IAT Level II (8140) certification (e.g., Security+) required; 6+ years IT experience (Masters) or equivalent; Linux server administration in classified environments; cross-platform OS awareness; Red Hat Satellite and Ansible experience preferred.
Linux, Red Hat Satellite, Ansible, HBSS, PRTG, Splunk, PowerShell, VMware, NFS, Microsoft Active Directory, Windows, Solaris, OSX, UNIX, Cisco
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Red Hat Enterprise Linux (RHEL) Administrator - United States
Colorado Springs, Colorado, United States
OnsiteFull Time
7+ YOEActive Secret clearance; 7+ years Linux/RHEL admin; U.S. citizen; reside near Colorado Springs; on-call rotation; RHCSA/RHCE preferred.
OpenShift, Tenable, HP WebInspect, RHEL, RHCSA, RHCE
3d
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Systems Sr Administrator (IT)
Denver, Colorado, United States
$78k-$119k/yr OnsiteFull Time
Senior UNIX/Linux systems administration in multi-location environments; production support; automation and open source tooling; strong ITIL practices.
Linux, OpenShift, Oracle, DB2, Puppet Enterprise, Confluence
4d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
Sr. System Administrator - South Dakota
Rapid City, Colorado, United States
$72k-$110k/yr OnsiteFull Time
Advanced Windows and Linux administration, Active Directory, Nutanix virtualization, performance analysis, patch engineering, backup/recovery, cybersecurity compliance, and cross-stack infrastructure integration experience.
Windows Server, Linux, Active Directory, Nutanix, PowerShell, Bash, Python, Ansible, DB2, IBM WebSphere, RMF, DISA STIG, NIST SP 800-122
5d
Save
Mark Applied
Hide
Database Administrator IV
Denver or United States
$117k-$140k/yr RemoteFull Time
7+ YOESeven or more years administering enterprise databases; expertise in SQL, database architecture, security, performance, recovery, AWS services, Windows/Linux, automation, and production troubleshooting.
IBM Db2, Microsoft SQL Server, PostgreSQL, MySQL, MongoDB, SQL, Amazon RDS, Amazon Aurora, Amazon Redshift, PowerShell, Python, Bash, Windows, Linux, DevOps, Infrastructure as Code (IaC), CI/CD
Explore Jobs