1,019 linux jobs at 266 companies in Castle Rock, CO

1mo
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Linux Administrator II
Westminster, Colorado, United States
$33-$39/hr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
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
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Engineer Principal – Linux Systems Integration
Westminster, Colorado, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOEBS+6 years (or equivalent) required, Top Secret clearance, proven Linux systems engineering experience with RedHat/RHEL, Ansible/Puppet automation, virtualization, and support for secure RMF environments.
RedHat Linux, Ansible, Puppet, Python, RHEL IdM, Satellite Server, DELL
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Advisory Linux Systems Software Engineer
Boulder, Colorado, United States
$93k-$100k/yr HybridFull Time
Ricoh
RicohTokyo Stock Exchange: 7752: Provides digital workplace services, imaging equipment, and IT solutions.
5+ YOE5+ years developing low-level Linux systems software; strong C/C++; Python/Bash scripting; deep Linux internals, system bring-up, debugging, and hardware/software integration; bachelor's degree in CS/CE/EE or related.
Linux, C, C++, Python, Bash, GitLab, JIRA, Claude Code
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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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Sr Principal Linux Systems Administrator - Secret
Boulder, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
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
2w
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Software Linux Engineer - Installation and Packaging
Santa Clara or Westford or St. Louis or Boulder or New York
$152k-$288k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
4+ YOEBachelor's or equivalent, 4+ years Linux system-level software development, experience with package management, repository and release automation, Python or Bash scripting, CI/CD and kernel/driver familiarity.
dpkg, RPM, yum, apt, zypper, Nix, NixOS, Python, Bash, CI/CD, Docker, Kubernetes
1d
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Senior Staff Linux System Administrator
Boulder, Colorado, United States
$120k-$146k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
4+ YOE4-6 years administering RHEL systems, system hardening (STIG/SCAP), patch/package management, virtualization, containers, networking, troubleshooting, scripting/automation, and ability to obtain a Secret clearance.
RHEL, RHEL 8, RHEL 9, RHEL 10, VMware, VMware vSphere, Podman, Docker, Red Hat Openshift, Kubernetes, minikube, Image registries, DISA SCAP Compliance Checker, DISA STIG, Ansible, Bash, Python, Git, GitLab, CI/CD pipelines
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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Principal Engineer, Linux and Virtualization Infrastructure
Denver, Colorado, United States
OnsiteFull Time
WOW!
WOW!: Provides broadband internet, cable television, and digital phone services.
7+ YOE7+ years Linux systems engineering; strong Linux/Unix, networking, SANs; virtualization with VMware, Proxmox, Docker, Kubernetes; infrastructure projects; strong communication.
Linux, VMware, Proxmox, Docker, Kubernetes, SAN, Fibre Channel, VxLAN, NAS, Windows
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
4d
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Systems Engineer 4 - Linux / Cloud
Centennial, Colorado, United States
$121k-$202k/yr OnsiteFull Time
United Launch Alliance
United Launch Alliance: Aerospace providing space launch services for satellites.
6+ YOEBachelor in STEM and minimum 6 years related experience; advanced Linux and cloud engineering (AWS/Azure); infrastructure automation with Ansible/Terraform/Python; production troubleshooting, mentoring, ITAR U.S. Person requirement.
Ansible, Python, Terraform, AWS, Azure, Docker, Kubernetes, Git
2mo
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Senior Engineer II - Systems Design (Integration, Linux + Programming)
Colorado Springs or Home Office
$70k-$205k/yr RemoteFull Time
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
7.5+ YOEBachelor’s degree in IT/IS/Cybersecurity; 7.5-10 years of related experience; strong Linux and network skills; Python/shell scripting; DoD clearance or US citizenship.
Python, Shell scripting, Linux, RHEL, CentOS, Ubuntu, Nessus, ACAS, SCAP, STIGs, VMware, Docker, Git, Mercurial
2w
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Linux Infrastructure-as-Code DevOps Engineer
Chantilly or El Segundo or Colorado Springs
$135k-$228k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
4+ YOEEnterprise Linux administration experience, Infrastructure-as-Code (Puppet/Ansible/Terraform/Bash/Python), automated provisioning, Git, security hardening, TS/SCI clearance and U.S. citizenship required.
Puppet, Ansible, Bash, Terraform, Python, Git, Kickstart, Stacki, Cobbler
3mo
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Software Engineer - HPC Linux (TS/SCI Clearance Required)
Colorado Springs, Colorado, United States
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
10+ YOETS/SCI with CI Poly; BS STEM; 10+ yrs software engineering; 5+ yrs modeling/simulation in HPC; Linux expertise; Fortran/C/C++; scripting; mentoring; training; on-site lab.
Fortran, C, C++, Bash, Korn shell, Linux, HPC tools, Git
1mo
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Computer Engineering (Linux) - Adjunct Faculty - CTU Colorado Springs (On Campus)
Colorado Springs, Colorado, United States
OnsitePart Time
Colorado Technical University
Colorado Technical UniversityNASDAQ: PRDO: Provides online and on-campus degree programs for career advancement.
3+ YOEMaster's in Computer Science, 3+ years professional experience, college-level teaching experience, proficiency in Linux and computer programming, strong communication and time-management, and proficiency with standard office technologies.
Linux
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
2mo
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Embedded Software Engineer III - Lunar Permanence
Seattle or Denver or Seattle
$165k-$231k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
6+ YOE6+ years embedded software in C/C++, Rust with Linux; BSP/driver development; hardware debugging with test equipment; strong C/C++/Rust and Linux scripting; teamwork.
C/C++, Rust, Linux, GDB, XSDB, Logic Analyzer, Oscilloscope, JTAG, Python, Matlab
2w
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Platform Engineer
Greenwood Village, Colorado, United States
$90k-$135k/yr OnsiteFull Time
York Space Systems
York Space SystemsNYSE: YSS: Designs and manufactures modular spacecraft platforms and mission solutions.
0+ YOEBachelor's degree or equivalent, 0–3 years experience in software/embedded/Linux, programming in C/C++/Python/Bash, familiarity with Git and Linux development, strong troubleshooting and communication skills.
C, C++, Python, Bash, Linux, Yocto, Buildroot, Git, GitLab
3w
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ADC Engineer I, Non-Relational Database Services, DBS Non Relational
Denver, Colorado, United States
$91k-$152k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
1+ YOEActive TS/SCI clearance required; 1+ years systems administration (Linux/Windows); experience in 24x7 operational environments; strong Linux fundamentals; troubleshooting and automation skills; high school or equivalent or related certs.
Linux, UNIX, Windows
2mo
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Software Engineer Principal
Dallas or Strongsville or Phoenix or Denver or Pittsburgh
$65k-$166k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
5+ YOELead enterprise platform engineering; strong Linux/Windows, PowerShell and Python; drift management; mentor team.
Linux, Windows Server, PowerShell, Python, Elastic, Dynatrace, AWS, Azure