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101 linux administrator jobs at 58 companies in Monument, CO

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Principal Linux System Administrator
Aurora, Colorado, United States
$149k-$184k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
8+ YOE8+ years administering Linux systems (RHEL preferred), system hardening (STIG/SCAP), virtualization, networking, troubleshooting, and ability to obtain Secret clearance.
RHEL, RHEL 8, RHEL 9, RHEL 10, Red Hat Openshift, Kubernetes, VMware, VMware vSphere, Podman, Docker, Docker registry, Image registries, Pypi, Ansible, Bash, Python, Git, GitLab, CI/CD, minikube, DISA SCAP Compliance Checker, DISA STIG implementation
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3w
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Staff Linux System Administrator, TS/SCI / Onsite: CO
Littleton, Colorado, United States
$105k-$184k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
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
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5d
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System Administrator 3 - Linux / Cloud
Centennial, Colorado, United States
$100k-$166k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
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
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2mo
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
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
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1mo
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Linux Infrastructure Engineer II/III
Golden, Colorado, United States
$84k-$181k/yr OnsiteFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
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
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2mo
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Red Hat Enterprise Linux (RHEL) Administrator - United States
Colorado Springs, Colorado, United States
OnsiteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
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
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1mo
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Senior Systems Administrator
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Bluestaq
Bluestaq: Develops secure data management platforms for defense and space missions.
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
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2mo
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Systems Sr Administrator (IT)
Denver, Colorado, United States
$78k-$119k/yr OnsiteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
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
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1mo
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Systems Administrator-Cleared
Denver or Folsom
$120k-$165k/yr OnsiteFull Time
Voyager Technologies
Voyager TechnologiesNYSE: VOYG: Provides advanced defense and commercial space technology solutions.
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
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1mo
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System Administrator - Journeyman
Colorado Springs, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: A technology providing systems engineering and cybersecurity support to government and defense customers.
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
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1w
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GCCS Systems Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
Paragon Cyber Solutions
Paragon Cyber Solutions: Provides cybersecurity and IT services to federal agencies.
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
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2mo
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Systems Administrator
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBachelor's degree with IT experience; TS/SCI clearance with poly; Linux/Windows admin; VMware; NAS storage; after-hours support.
Linux, Windows, VMware, NetApp, ON-TAP, RMF, STIG, Nessus, Tenable, Active Directory, GPO, Splunk
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1mo
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System Administrator Senior
Colorado Springs, Colorado, United States
$135k-$165k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
10+ YOETop Secret/SCI required. 10+ years experience (with Master's) or equivalent. Strong Linux/RHEL administration, RBAC/STIG management, Ansible and YAML automation, Cisco networking, virtualization, RMF knowledge, Bash/Python scripting, IL4+ environment experience, relevant cyber/sysadmin certs.
Linux, RHEL, Microsoft Windows, Ansible, YAML, Bash, Python, Cisco, STIG, RBAC, Risk Management Framework (RMF), AWS
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1w
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Applications Administrator (Systems & Database – Senior)
Colorado Springs, Colorado, United States
$111k-$138k/yr HybridFull Time
Colorado Springs Utilities
Colorado Springs Utilities: Community-owned utility provider of electricity, gas, and water services.
3+ YOE3+ years in application/systems/database administration supporting Linux, enterprise Java app servers, and Oracle databases; on-call experience and strong troubleshooting skills required.
Linux, Oracle, Oracle Utilities (C2M), Oracle Utilities (CCB), Oracle Utilities (MDM), WebLogic, Tomcat, Jetty, Git, GitHub, Shell, Python
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1w
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Systems Administrator - IT
Greenwood Village, Colorado, United States
$80k-$90k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
Maintain and support servers, networks, and systems; troubleshoot hardware/software; perform updates and asset lifecycle tasks. Associate degree or equivalent experience; CompTIA A+ acceptable; Windows/Linux and network fundamentals knowledge required.
Windows, Linux, TCP/IP, DNS, DHCP
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2d
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Unix Administrator
Denver, Colorado, United States
OnsiteFull Time
NuAxis Innovations
NuAxis Innovations: Provides IT infrastructure and customer experience solutions for government agencies.
Manage, configure, tune, and secure large-scale Redhat/Oracle Linux systems; perform installations, patching, disaster recovery, and collaborate with security teams.
Redhat, Oracle Linux, RHEL, VMware, KVM, Microsoft Azure, Redhat Satellite, Shell
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1d
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Satellite Systems Administrator
Colorado Springs, Colorado, United States
OnsiteFull Time
TMC Technologies
TMC Technologies: Provides engineering and IT services to government and defense clients.
5+ YOEActive TS/SCI eligibility, 5+ years relevant experience or equivalent, Linux/UNIX and Microsoft Server proficiency, DoD 8570 IAT Level II credential, satellite operations and network infrastructure experience.
VMWare, Linux, UNIX, Microsoft Server, DISA STIG
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2mo
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Systems Administrator
Schriever AFB, Colorado, United States
$107k-$183k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
7+ YOEBachelor's in CS or related with 7+ years' experience, 5+ years Linux/UNIX admin, DOD 8570 IAT Level II cert, Top Secret clearance (must possess) and able to obtain TS/SCI, RHEL and VMware experience, networking and security tool familiarity.
VMware, DISA STIG, ACAS, Red Hat Enterprise Linux (RHEL), Microsoft Server, Palo Alto, Cisco, Wireshark, Commvault
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2w
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SIM System Administrator I
Fort Carson, Colorado, United States
$63k-$65k/yr OnsiteFull Time
Hatalom
Hatalom: Provides simulation and training solutions for defense organizations.
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
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4d
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Senior IT Infrastructure Administrator
Littleton, Colorado, United States
$100k-$150k/yr OnsiteFull Time
3D Systems
3D SystemsNYSE: DDD: Provides 3D printing hardware, materials, and digital manufacturing services.
5+ YOE5+ years enterprise infrastructure experience supporting Microsoft 365, Azure, AWS, Nutanix AHV, Windows/Linux servers, networking, security, PowerShell automation, on-call support, and GovCloud compliance.
Microsoft 365, Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, Microsoft Entra ID (Azure AD), Microsoft Intune, Microsoft Azure, Amazon Web Services (AWS), Nutanix AHV, Windows Server, Linux, Active Directory, DNS, DHCP, Group Policy, PowerShell, Cisco Identity Services Engine (ISE), GovCloud
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