58 principal software engineer jobs at 9 companies in Trinity, AL
3mo
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Principal Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
8+ YOEBachelor’s degree or higher and 8-10 years of software development experience; ability to obtain secret clearance; Java/C++/Python; Agile; Linux/UNIX; UML; IDEs; test environments.
Java, C++, Python, Linux, UNIX, Eclipse, IDE, UML, Test frameworks, XUnit, JUnit, CPPUnitLite, Version Control, Clearcase, JIRA
2w
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Principal/Sr Principal Software Engineer
Huntsville, Alabama, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEActive Secret clearance, STEM degree, 5+ years (Principal) or 9+ years (Sr Principal) relevant software experience; familiarity with Kalman filters and radar tracking; strong analytical and communication skills.
C, C++, MATLAB, Java, Python, MBSE (Cameo), Integrated Battle Command System, Joint Track Management Capability Bridge
2w
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Principal/Sr Principal Software Engineer
Huntsville, Alabama, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEDesign and maintain sensor registration algorithms; familiarity with Kalman filters and radar tracking; active Secret clearance; Principal (≈5+ yrs) or Sr Principal (≈9+ yrs) level experience in STEM; proficiency in C/C++ and MATLAB.
C/C++, MATLAB, Java, Python, MBSE (Cameo), Integrated Battle Command System, Joint Track Management Capability Bridge
3w
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Senior Principal Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
4+ YOEActive DoD Secret clearance, STEM degree with relevant experience (8/6/4 years depending on degree), recent C++/Java/Ada development, strong communication, able to work onsite, travel up to 10%.
C++, Java, Ada, Linux, MATLAB, Python, Jira, Confluence, Jenkins, Ansible, Git, Gitlab, CI/CD
3d
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Principal Engineer, Actuation Systems Embedded Software
Tucson or Huntsville or Portsmouth
$108k-$205k/yr OnsiteFull Time
8+ YOESTEM university degree and 8+ years of relevant experience, or advanced degree and 5+ years. Requires embedded C/C++, MATLAB/Simulink, systems engineering, and documented software development experience.
C, C++, MATLAB, Simulink, FPGA, VHDL, UART, SPI, I2C, GIT, Subversion, MISRA-C
1w
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Principal Software Engineer
Huntsville, Alabama, United States
OnsiteFull Time
10+ YOEBachelor's in computer science or STEM with 10+ years, or master's with 5+ years. Requires software development, integration, APIs, programming, Git, U.S. citizenship, and Secret clearance.
Jira, Java, C, C++, MATLAB, Python, GIT, GitLab, DevOps, Linux, Windows, Microsoft Office, Docker Compose, Kubernetes, SecDevOps, Continuous Integration/Continuous Development
4d
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Principal Software Engineer
Huntsville or Atlanta or Fort Worth or Denver
$160k-$200k/yr OnsiteFull Time
8+ YOEBachelor's degree in STEM, 8+ years embedded software development, C/C++, integration and test, full lifecycle development, Linux and Windows, communication skills, and active Secret clearance.
C, C++, Linux, Windows, Confluence, JIRA, Bitbucket, Python, Cameo, AADL, DO-178C
4w
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Principal Software Developer
Madison, Alabama, United States
HybridFull Time
7+ YOEBachelor's or commensurate experience, 7+ years software development, public safety workflow experience preferred, strong communication and critical thinking, experience with C#, C++, XML/XSL, JSON, SQL, HTTP/REST, REACT, WCF, GIT and Azure DevOps.
C#, C++, XML/XSL, JSON, SQL, HTTP/REST, REACT, WCF, GIT, Microsoft Azure DevOps, Microsoft Azure Cloud Services
2mo
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Principal Software Engineer, Manufacturing Test
Huntsville, Alabama, United States
OnsiteFull Time
7+ YOEBachelor’s in CS/Software/EE/Robotics; 7+ years in software engineering/manufacturing automation; Python plus Bash/PowerShell/C/C++; automated test systems; Linux admin; CM/CI/CD; hardware interfaces; robotics/embedded systems; ability to obtain US security clearance.
Python, Bash, PowerShell, C/C++, Linux, Git, CI/CD
3w
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Principal Software Engineer – Seeker Market Expansion
Huntsville, Alabama, United States
$136k-$231k/yr OnsiteFull Time
10+ YOEBachelor's in CS/CE/EE (Master's preferred), 10+ years embedded systems experience, experience with Xilinx SoC FPGAs, proficiency in C/C++, ability to obtain Secret clearance, RTOS/FreeRTOS/VxWorks experience preferred.
Xilinx System-on-Chip (SoC), System-on-a-Module (SOM), ARM, FreeRTOS, VxWorks, C, C++, Agile, CI/CD, static code analysis, agentic workflows
1mo
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Principal Software Engineer – Seeker Market Expansion
Huntsville, Alabama, United States
$107k-$183k/yr OnsiteFull Time
6+ YOEBachelor's in CS/CE/EE (Master's preferred), ability to obtain Secret clearance, 6+ years embedded systems experience, Xilinx SoC FPGA experience, proficiency in C/C++, RTOS/FreeRTOS/VxWorks or bare metal, EM/CI practices.
Xilinx System-on-Chip (SoC) FPGAs, ARM, FreeRTOS, VxWorks, C, C++, Agile, CI/CD
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