1mo
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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
1mo
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$160k-$303k/yr HybridFull Time
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
1mo
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$152k-$349k/yr HybridFull Time
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
1mo
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Principal Linux Kernel Developer
Fort Collins or Colorado or Minnesota or United States
$160k-$303k/yr HybridFull Time
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
3d
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Staff Linux Software Engineer (Multiple Locations)
San Diego or Boulder
$135k-$202k/yr OnsiteFull Time
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
1w
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Engineer Principal – Linux Systems Integration
Westminster, Colorado, United States
OnsiteFull Time
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
1mo
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Advisory Linux Systems Software Engineer
Boulder, Colorado, United States
$93k-$100k/yr HybridFull Time
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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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
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
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
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
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
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
3mo
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Software Engineer - Embedded Linux (C++)
Boulder, Colorado, United States
$110k-$150k/yr OnsiteFull Time
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
3mo
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Product Test Developer I
Niwot, Colorado, United States
$20-$25/hr HybridFull Time
Basic electrical engineering knowledge; KiCad; Arduino; Windows basics; Git; Python; Linux testing.
KiCad, Arduino, Git, GitHub, Python, Windows, Linux, Raspberry Pi, Eagle, AVR Studio, Arduino IDE
1mo
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Data Scientist | AI | ML
Boulder, Colorado, United States
$154k-$220k/yr OnsiteFull Time
5+ YOEAdvanced Python, PyTorch, ML model development, data preprocessing, Unix/Linux, ETL, strong problem solving.
Python, PyTorch, Unix/Linux, ETL, SQL
3mo
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Design Verification (DV) Engineer
Austin or Boulder or Chicago or London or New York City
$175k-$250k/yr OnsiteFull Time
2+ YOE2+ years RTL verification for FPGA/ASIC; SystemVerilog/UVM; Python; Linux; Verilator; Cocotb; C++ is a plus.
SystemVerilog, UVM, Python, Verilator, Cocotb, Linux, C++
3mo
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Senior Product Quality Engineer
Longmont, Colorado, United States
$89k-$189k/yr OnsiteFull Time
6+ YOEBachelor’s or Master’s in Electrical/Electronics or Computer Engineering; 6+ years; Python/C; embedded systems; Windows/Linux; qualification planning and data analysis.
Python, C, oscilloscopes, protocol analysers, lab_tools, Windows, Linux
2mo
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Embedded C++ Software Engineer (5262) (Broomfield, CO)
Broomfield, Colorado, United States
$160k-$210k/yr OnsiteFull Time
8+ YOE8+ years in high-performance C++ in Linux; Secret clearance; BS in CS/CE; embedded systems knowledge; Git; able to work independently.
C++, Linux, Git, Vitis, Vivado, VHDL, Verilog, Python, Java, JavaScript, CI/CD, Versal ACAP
2mo
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Senior Software Engineer - Data Path
Louisville or Houston
OnsiteFull Time
4+ YOE4-8 years software engineering experience; strong C/C++; knowledge of storage protocols; CI tools; VMware; Agile; Linux networking.
C/C++, Jenkins, VMware, Linux, IP networking
2w
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Systems Integration Engineer Principal – High Performance Computing (HPC)
Westminster, Colorado, United States
OnsiteFull Time
6+ YOEBS in engineering plus 6+ years experience, Top Secret clearance, Linux sysadmin and HPC scheduler experience, strong problem-solving and communication skills.
Linux, NVIDIA Bright Cluster Manager/Base Command Manage, OpenPBS, PBS Pro, LSF, Slurm, Ansys, Matlab, Nastran, Vivad, DELL servers
2mo
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Senior Azure Infrastructure Engineer
Loveland or Fountain Valley
$97k-$127k/yr HybridFull Time
7+ YOE7+ years in Azure cloud infrastructure; AZ-104; IaC (Terraform/Bicep); DevOps tools; Palo Alto firewalls; Linux; hybrid/cloud migrations.
Terraform, Bicep, PowerShell, Azure CLI, ARM templates, Azure DevOps, GitHub Actions, Jenkins, Palo Alto, Linux