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292 linux engineer jobs at 93 companies in Decatur, AL

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2w
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Linux Kernel and Containerization SME
Huntsville, Alabama, United States
OnsiteFull Time
PeopleTec
PeopleTec: Provides technical services and solutions to defense agencies.
6+ YOE6+ years experience with Linux kernel customization, RHEL 7-10, containerization and container orchestration; Linux+ and Security+ certifications; active DoD Secret clearance and U.S. citizenship required.
RHEL 7-10, Linux, Multi-Factor Authentication (MFA), Cloud Development Environments (CDE)
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3w
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Ansible/Linux Automation Engineer - Huntsville, Alabama
Huntsville, Alabama, United States
OnsiteFull Time
Davidson Technologies
Davidson Technologies: Delivers engineering and technology solutions for national security missions.
2+ YOEExperience building Ansible automation, 2+ years Linux administration (RHEL/CentOS/Ubuntu), Bash/Posix scripting, Git, complex infrastructure troubleshooting, CI/CD integration, and active DoD Secret clearance.
Ansible, Linux, RHEL, CentOS, Ubuntu, Bash/Posix, Git, CI/CD, Dev-Ops, DecSecOps, Windows Server, PowerShell
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2mo
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Senior Software Developer (Linux) (Hybrid)
Huntsville, Alabama, United States
HybridFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Proficient in C/C++ and Linux; strong debugging, kernel/driver development, and system internals knowledge; build systems with Make/CMake; scripting (bash); experience delivering software to government or commercial clients.
C/C++, bash, Linux, Make, CMake, Kernel/Driver, TPM, Secure Boot, Docker, Kubernetes, QEMU, VMware, ARM, RTOS, Cryptography
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1mo
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Linux Kernel and Containerization Subject Matter Expert (SME)
Huntsville or Redstone Arsenal
OnsiteFull Time
Torch Technologies
Torch Technologies: Provides research and engineering services to the defense industry.
6+ YOEUS citizen with active Secret clearance, 6+ years related experience, Associate's or Bachelor's in CS or equivalent experience, advanced RHEL (7-10) and Linux kernel customization, containerization and container orchestration expertise, OS automation, programming proficiency, and strong oral/written communication.
Linux, RHEL 7-10, Cloud Development Environments (CDE), Multi-Factor Authentication (MFA), THAAD Hardware-in-the-loop (HWIL)
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2mo
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System Engineer III
Huntsville, Alabama, United States
OnsiteFull Time
Data Intelligence
Data Intelligence: Provides engineering and cybersecurity solutions for federal government clients.
5+ YOEBachelor's in engineering, CS, math, or physics; 5-7 years systems engineering; real-time systems; DOORS; Linux/Agile; programming/scripting; on-site in Huntsville; active security clearance (Secret or higher).
MATLAB, DOORS, Linux, Scripting, Real-time systems
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1w
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Systems Engineer
Huntsville, Alabama, United States
$90k-$125k/yr OnsiteFull Time
Outpost Technologies
Outpost Technologies: Defense and space engineering and manufacturing solutions provider.
5+ YOEU.S. citizen able to obtain DoD Secret clearance, Bachelor\u0002s in a technical field or equivalent experience, 5+ years systems engineering experience, Windows/Linux administration, virtualization, networking, and integration skills.
Windows Server, Linux, VMware, Hyper-V, Active Directory, DNS, DHCP, Group Policy, VDI, NAS/SAN, Python, PowerShell, Bash, REST APIs, JSON, DISA STIGs, RMF
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4d
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GNC Navigation Engineer
Mooresville or Huntsville
OnsiteFull Time
Corvid Technologies
Corvid Technologies: Provides high-fidelity physics simulation and engineering design services.
10+ YOEUS citizen eligible for Secret clearance, Bachelor's in engineering required, 10+ years navigation systems experience, proficiency with C++, Python, Linux, Git, and experience with Kalman filtering and sensor integration.
C++, Python, Linux, Git
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3w
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Field Engineer (AHT)
Huntsville, Alabama, United States
$72k-$109k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive Secret clearance, FAAD operator knowledge, experience in integration/field support of communications systems, knowledge of Red Hat Linux and Windows, travel up to 10%, bachelor's in engineering (or equivalent experience).
Red Hat Linux, Windows, Microsoft Word, FAAD
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1mo
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1217 - HWIL Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Monte Sano Research
Monte Sano Research: Provides defense engineering and missile research for government clients.
2+ YOEBachelor's in engineering (ABET) required; 2+ years 6-DOF simulation or HWIL testing; C++ in Linux experience; U.S. citizenship and ability to maintain an active security clearance required; Master's degree desired.
C++, Linux
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3w
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Field Engineer (AHT)
Huntsville, Alabama, United States
$72k-$109k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive Secret clearance, knowledge of FAAD operations, experience in integration/field support of communications systems, Red Hat Linux and Windows familiarity, technical writing and training development, travel up to 10%, Bachelor's in engineering +2 years or 6 years' experience.
Red Hat Linux, Windows, Microsoft Word
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1w
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CFD Analysis Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Mclaurin Aerospace
Mclaurin Aerospace: Provides specialized aerospace engineering, research, and technical advisory services.
0+ YOEExperience in CFD mesh generation and high-fidelity simulation, Python/FORTRAN/MATLAB skills, Linux familiarity, BS/MS in engineering preferred, US citizenship and ability to pass a security background investigation required.
Python, FORTRAN, MATLAB, Linux, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Teams, Microsoft Outlook
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6d
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UAS Computer Engineer- JSIL - TB- July 2026
Huntsville, Alabama, United States
OnsiteFull Time
HigherEchelon
HigherEchelon: Provides leadership development, coaching, and IT consulting services.
6+ YOEBachelor\u0002s in engineering and 6+ years related experience; U.S. citizenship and ability to obtain Secret clearance; experience with Linux/Windows, virtualization, containerization, networking, and C/C++/C# development.
Linux, Windows, vSphere, KVM, VMWare Workstation, Docker, Podman, Cisco Systems, Bash, PowerShell, Java, Python, C, C++, C#, Kubernetes
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1mo
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Senior Avionics Software Engineer (Engines)
Huntsville or Seattle
$198k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEB.S. in engineering/CS or related, 8+ years developing/testing real-time embedded systems, experience with bare metal/RTOS/Linux kernel, C/C++, Python, device drivers, git/JIRA/Confluence, SDLC, TCP/IP, and verification/validation.
C, C++, Python, git, JIRA, Confluence, RTOS, Linux kernel, TCP/IP, DO-178, NPR 7150, Rust, UML
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2mo
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Electronic Design Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Sanmina
SanminaNASDAQ: SANM: Designs and manufactures complex electronics and mechanical systems.
8+ YOEBSEE; 8-10 years design experience; ECAD/Cadence PCB layout; Linux, Bluetooth, WiFi; various ICs and interconnects; thermal/environmental considerations.
ECAD, Cadence, Altium Designer, Linux, Bluetooth, WiFi, PCB Layout, Schematic Analysis
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4w
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Systems Integration Engineer
Huntsville, Alabama, United States
$100k-$140k/yr OnsiteFull Time
Summit TRC
Summit TRC: Provides engineering and software services for defense and aerospace.
Bachelor's degree, active Secret clearance, strong Linux/RHEL and command-line proficiency, virtualization and container experience, scripting with Bash/Python/Ansible, and systems-level troubleshooting.
RHEL, Linux, Virtual Machines, VMWare, Hyper-V, Containers, Bash, Python, Ansible
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1mo
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Test Engineer - Secret Clearance
Colorado Springs or Huntsville
$70k-$124k/yr OnsiteFull Time, Contract
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
DoD Final Secret clearance required; experience with Linux/RedHat, bash scripting, test case architectures, run log analysis, authoring/executing test procedures, and working independently or on distributed teams.
Linux, RedHat, bash
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2mo
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Signal Processing Engineer
Huntsville, Alabama, United States
OnsiteFull Time
Aviation & Missile Solutions
Aviation & Missile Solutions: Provides engineering and technical services for defense systems.
5+ YOEMS or BS in EE/CE/Physics/CS/Math; 5+ years experience; proficient in MATLAB, Python, C/C++, Linux, Simulink; digital signal processing, modeling; strong communication.
MATLAB, Python, C/C++, Simulink, Linux, VHDL
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1w
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Senior Systems Engineer / Chief Systems Engineer
Huntsville, Alabama, United States
OnsiteFull Time
IronMountain Solutions
IronMountain Solutions: Engineering and technical services for defense and government projects.
10+ YOEActive Top Secret/SCI clearance, BS in engineering (MS preferred),10+ years DoD systems engineering experience, MBSE/Agile SE, IPT leadership, proficiency with DOORS, Cameo, Rhapsody, Python/C++/MATLAB.
Cameo Enterprise Architect, DOORS, IBM Rhapsody, Jira, Confluence, Python, C++, MATLAB, Git, Linux
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2mo
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Senior Flight Embedded Software Engineer
Huntsville, Alabama, United States
$116k-$209k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOEUS citizen able to obtain DoD Secret; bachelor\u0002s in electrical/computer engineering required; strong embedded software discipline with Embedded C/C++; experience with custom hardware; RTOS/ARM/I2C/SPI/Ethernet/Linux desirable; technical communication skills.
Embedded C/C++, RTOS, ARM, I2C, SPI, Ethernet, Linux, Visual Studio IDE
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2mo
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Systems Integration Engineer
Huntsville, Alabama, United States
OnsiteFull Time
PeopleTec
PeopleTec: Employee-owned defense contractor providing technical and engineering solutions.
8+ YOE8+ years in systems integration and virtualization; VMware vCenter, Terraform, GitLab, Ansible; Docker/Podman; Red Hat Linux/Windows Server; scripting; SSH/SSL; container deployments; AD/Directory/Keycloak; networking; travel; US citizen; TS/SCI clearance.
VMware vCenter, Terraform, GitLab, Ansible, Docker, Podman, Red Hat Linux, Windows Server, Linux shell, Python, SSH, SSL, Keycloak, Active Directory, DNS, DHCP, TLS, Syslog, PCAP
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