309 linux systems engineer jobs at 91 companies in Castle Rock, CO
2d
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Advisory Linux Systems 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; Linux internals, system bring-up, debugging, and hardware/software integration.
C, C++, Python, Bash, GitLab, JIRA, Claude Code
2w
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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
1w
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Systems Engineer 4 - Linux / Cloud
Centennial, Colorado, United States
$121k-$202k/yr OnsiteFull Time
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
1mo
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Systems Engineer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
5+ YOERequires TS/SCI with Polygraph, bachelor’s degree or equivalent, 5+ years systems engineering experience, expertise in systems engineering concepts, experience with Jira/Confluence/Zephyr and Linux; Security+ and C++ desirable.
Jira, Confluence, Zephyr, Linux, C++
1mo
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Systems Engineer
Denver, Colorado, United States
$90k-$190k/yr OnsiteFull Time
5+ YOERequires TS/SCI with Polygraph, bachelor’s degree or equivalent, 5+ years systems engineering experience, expertise in systems engineering lifecycle, Atlassian (Jira, Confluence, Zephyr), Linux, strong communication and problem-solving skills.
Jira, Confluence, Zephyr, Linux, C++
3w
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Sr Systems Engineer
Colorado Springs or Chantilly
$121k-$161k/yr OnsiteFull Time
5+ YOESystems engineering experience, Linux/Windows/Oracle/SQL knowledge, Agile familiarity, satellite operations experience, Top Secret/SCI with polygraph preferred, bachelor's degree with experience required.
Linux, Windows, Oracle, SQL
6d
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Senior Systems Engineer
Atlanta or Austin or Denver or Seattle or Washington
$168k-$254k/yr HybridFull Time
8+ YOE8+ years building and operating Linux systems and distributed control planes; strong Rust/Go/TypeScript skills; deep Linux networking and security judgment; experience with fleet-scale device management and observability.
Rust, Go, TypeScript, IPsec, MASQUE, eBPF, Linux, WireGuard, GRE, Buildroot, Yocto, RAUC, UEFI Secure Boot, TPM, VMware, KVM, AWS, Azure, Google Cloud, Kubernetes, Prometheus, Grafana, ClickHouse, OpenTelemetry
3d
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Systems Engineer
Colorado Springs, Colorado, United States
$95k-$140k/yr OnsiteFull Time
2+ YOEActive TS/SCI clearance, U.S. citizenship, DoD 8140 IAT Level II, bachelor\u0002s degree in a relevant field, 2+ years DoD network engineering, Windows AD, Windows/Linux, VMware and VxRail experience, defensive cyber tools.
Windows Active Directory, Windows, Linux, VMware, Dell VxRail, Terraform, Ansible
2mo
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Systems Engineer - Sustainment
Colorado Springs, Colorado, United States
$86k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree with 2+ years of relevant experience; TS/SCI eligibility; DoD/aerospace experience; systems engineering foundation; Windows/Linux experience; ability to collaborate across teams.
Windows, Linux, MBSE, RMF, NIST
2mo
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Systems Engineer
Aurora, Colorado, United States
$145k-$225k/yr OnsiteFull Time
5+ YOEBachelor's in a related technical field; 5+ years systems engineering experience; US citizenship; Top Secret / SCI clearance; experience in aerospace/defense; strong communication.
Jira, Confluence, Bitbucket, Git, DOORS, Cameo Systems Modeler, Python, Bash, Linux, Unix, Cloud
2mo
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Systems Engineer - Sustainment
Colorado Springs, Colorado, United States
$86k-$138k/yr OnsiteFull Time
2+ YOEBachelor’s degree with 2+ years of experience; TS/SCI clearance eligibility; DoD/aerospace experience; Windows and/or Linux troubleshooting; collaboration across engineering and cybersecurity teams.
Windows, Linux, MBSE, Model-Based Systems Engineering, Agile, RMF, NIST
1w
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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
2mo
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Senior Engineer II - Systems Design (Integration, Linux + Programming)
Colorado Springs or Home Office
$70k-$205k/yr RemoteFull Time
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
3w
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Systems Engineer 2/3
Aurora, Colorado, United States
$92k-$138k/yr OnsiteFull Time
2+ YOEActive U.S. Top Secret/SCI clearance required; Bachelor's in a STEM field; 2–5+ years systems engineering experience; experience with Linux, Windows, Docker, test plan development, data collection/instrumentation, and troubleshooting; ability to travel up to ~20% including OCONUS.
Linux, Windows, Docker, Microsoft Project, Microsoft PowerPoint, Microsoft Excel, Microsoft Word, Confluence, Jira, Kubernetes
2w
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Jr. Systems Engineer - Boulder, Colorado
Boulder, Colorado, United States
$90k-$100k/yr OnsiteFull Time
0+ YOEBS in STEM +2yrs or MS in STEM (0yrs); active DoD Secret clearance; 1+ year software experience with Python and/or C++; Linux and utilities experience; SysML/MBSE experience; requirements and systems engineering skills.
Python, C++, Linux, grep, awk, cat, head, Cameo Enterprise Architecture, Rhapsody, MagicDraw, DOORS, Jira, Confluence, AFSIM, SysML, MBSE
4w
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Systems Engineer - Clearance Required
Littleton, Colorado, United States
$70k-$124k/yr OnsiteFull Time
Ability to obtain DoD Secret and TS/SCI, experience with Windows/Linux, VM/hypervisor, network configuration, system integration/testing, Java or Python development, and hardware/networking for cross-domain solutions.
Red Hat Linux, Puppet, Docker, Kubernetes, Ansible, Java, Python, Visio
1mo
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Systems Engineer, Battlespace
Broomfield or Waltham
$146k-$194k/yr OnsiteFull Time
2+ YOE2+ years hardware/software systems engineering, degree in engineering/physics/robotics/math, MBSE experience, familiarity with JAMA/Cameo/MATLAB/Simulink/AFSIM, Python proficiency, statistics/AI/ML skills, eligible for U.S. Secret clearance, up to 25% travel.
JAMA, Cameo, MATLAB, Simulink, AFSIM, Python, Linux, C, C++, Rust
5d
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Staff Systems Engineer – Systems Analyst (26-348)
Colorado Springs, Colorado, United States
$161k-$241k/yr OnsiteFull Time
12+ YOEActive DoD Secret clearance, STEM degree with extensive experience (8–12+ years), expertise in systems analysis, software verification, MATLAB/Python, Linux/Bash, CI/CD, and ability to brief senior DoD leaders.
MATLAB, Python, NumPy, Pandas, Matplotlib, Linux, Bash, GitLab, Jenkins, JIRA, Confluence, Java, Plotly, D3.js, SQL, NoSQL
2w
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Senior Systems Engineer (Onsite)
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
5+ YOEActive transferable TS/SCI with CI Poly clearance, U.S. citizenship, Bachelor's in STEM and 5+ years engineering experience; experience with Cshell, PERL, HTML, Linux, Microsoft Office, Confluence and Jira.
Cshell, PERL, HTML, Linux, Microsoft Office, Confluence, Jira
1w
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Senior Systems Engineer
Colorado Springs, Colorado, United States
$90k-$115k/yr OnsiteFull Time
Experience with Unix/Linux, Docker, automated test development, Agile processes, ability to obtain U.S. SECRET clearance, strong communication and teamwork skills.
Unix, Linux, Docker, Jira, Confluence, Maven, Jenkins, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Wideband Global SATCOM (WGS)
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