831 linux jobs at 240 companies in Thornton, CO

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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
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$160k-$303k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
8+ YOEBachelors/Masters in CS or related; 8+ years systems/kernel development; expert C and deep Linux kernel internals; experience with kernel debugging tools and distributed storage; technical leadership and collaboration skills.
Linux kernel, C, crash, perf, ftrace, tracepoints, Lustre, Ceph, DAOS, RDMA, InfiniBand, CI/CD
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
8+ YOE8+ years systems/kernel development experience, expert C, deep Linux kernel internals, kernel debugging (crash, perf, ftrace, tracepoints), distributed storage experience, technical leadership, strong communication.
C, Linux kernel, crash, perf, ftrace, tracepoints, Lustre, Ceph, DAOS, RDMA, InfiniBand, CI/CD
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$160k-$303k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
8+ YOEBachelor's or Master's in CS/CE, 8+ years systems/kernel development, expert C, deep Linux kernel internals, kernel debugging (crash, perf, ftrace, tracepoints), distributed storage experience, technical leadership and collaboration skills.
Linux kernel, C, crash, perf, ftrace, tracepoints, Lustre, Ceph, DAOS, RDMA, InfiniBand, CI/CD
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Staff Linux Software Engineer (Multiple Locations)
San Diego or Boulder
$135k-$202k/yr OnsiteFull Time
Qualcomm
QualcommNASDAQ: QCOM: Designs and manufactures semiconductors and wireless telecommunications products.
2+ YOEExperience developing Linux system software and drivers in C/C++; strong understanding of Linux internals, multi-threading, API design, SoC architecture; proficiency with git and debugging tools.
Linux, C, C++, Java, Python, git, KVM, Docker, SR‑IOV, gtest, PCIe, UML
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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 graphics processing units and artificial intelligence hardware.
4+ YOEBachelor's or equivalent,4+ years software development with Linux system-level focus, experience with package managers and repositories, scripting in Python or Bash, strong debugging and collaboration skills.
Nix, dpkg, RPM, yum, apt, zypper, Python, Bash, Docker, Kubernetes
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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
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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
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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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Software Engineer - Embedded Linux (C++)
Boulder, Colorado, United States
$110k-$150k/yr OnsiteFull Time
Shotover Systems
Shotover Systems: Manufacturer of gyro-stabilized airborne camera systems and AR software.
3+ YOE3+ years C++ in embedded Linux; Linux kernel/driver experience; embedded systems; Git/CMake; STIGs; problem solving.
C++, Linux, Git, Make, CMake, Ubuntu, systemd, ARM, Nvidia Jetson, Linux kernel, device drivers, device trees, Deb packaging
2mo
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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
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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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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
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Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
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
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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
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