> Markdown version of [/jobs/ext/1967281-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/1967281-principal-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Software Engineer - **Company:** Insight Global - **Location:** Los Angeles, CA, United States - **Salary:** $124,800.0 - $228,800.0 - **Contract:** Temporary contract - **Skills:** Testing (Software), C (Programming Language), Agile Methodology, JIRA, IBM Rational ClearCase, Static Program Analysis, Communications Protocols, Software Debugging, Dynamical Systems, Global Positioning Systems (GPS), GPS Navigation Devices, IBM Rational Clearquest, Python (Programming Language), MATLAB, Requirements Management, Sensor Fusion, Simulink, Software Engineering, Software Requirements Analysis, Systems Integration, Workflow Management Systems, Software Verification, Git, SC Clearance, DO-178B, Software Version Control, PolySpace, Data Generation - **Published:** August 7, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9081037/principal-software-engineer ## About the Role * Bachelor's degree in STEM with 5+ years of software development experience, Master's with 3+ years, or PhD with 1+ year * Experience developing software using MATLAB and Simulink * Proficiency in C and Python programming * Experience with source control and workflow tools such as Git, ClearCase, ClearQuest, and/or Jira * Strong MATLAB experience for data creation, analysis, processing, and visualization * Experience modeling dynamic systems using Simulink * Expertise with Navigation Systems and INS/GPS Kalman filter design * Experience defining software requirements for navigation systems * Ability to work effectively in a collaborative development environment * U.S. Citizenship required * Ability to obtain and maintain a U.S. Government Secret Clearance * Ability to work onsite full-time Nice to Have Experience: * Active U.S. Government Secret Clearance * Software test development, execution, and performance evaluation experience * Experience using DOORS for requirements management * Sensor fusion expertise using IMU, GPS, barometers, and related sensors * Advanced knowledge of INS mechanization techniques * Embedded INS/GPS navigation systems experience * Experience translating formal software requirements into software design solutions * Experience defining software requirements for INS/GPS systems * Familiarity with mission-critical and safety-critical software development standards such as DO-178B/C * MATLAB-based simulation and navigation system performance analysis experience * Experience with communication protocols including MIL-STD-1553, ARINC-429, and RS-422 * Experience with code analysis and software verification tools such as Polyspace, LDRA, and VectorCast ## Description The Principal Software Engineer will develop, test, debug, and integrate software for advanced navigation systems. This role works closely with a high-performing engineering team to design innovative solutions, support system integration activities, and contribute to the development of next-generation navigation capabilities in an Agile environment., Develop, test, and debug software for advanced navigation systems. -Design and implement software solutions using MATLAB, Simulink, C, and Python. -Perform software and system integration activities on navigation hardware platforms. -Apply Model-Based Engineering (MBE) methodologies to system and software development. -Design and evaluate INS/GPS navigation algorithms and Kalman filters. -Analyze, process, and visualize system performance data using MATLAB. -Translate software requirements into functional software designs and implementations. -Collaborate with cross-functional engineering teams in an Agile development environment. -Support software verification, validation, certification, and release activities. -Contribute to continuous improvement initiatives and technical innovation efforts. -Maintain strong relationships with internal and external stakeholders through effective communication and teamwork. -Uphold high standards of ethics, integrity, and technical excellence while delivering mission-critical solutions. ## Related Videos - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) ## Related Articles - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)