> Markdown version of [/jobs/ext/2105973-principal-engineer-actuation-systems-embedded-software](https://www.wearedevelopers.com/jobs/ext/2105973-principal-engineer-actuation-systems-embedded-software). 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 Engineer, Actuation Systems Embedded Software - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Contract - **Skills:** Testing (Software), Data Analysis, Systems Engineering, C++ (Programming Language), Static Program Analysis, Code Coverage, Embedded Software, Firmware, Field-Programmable Gate Array (FPGA), MATLAB, MISRA C (C Programming Language), Serial Communications, Subversion, Systems Integration, Test Case, Universal Asynchronous Receiver/Transmitter, VHSIC Hardware Description Language (VHDL), Serial Peripheral Interface, PIC Microcontroller, Git, Infrastructure Automation Frameworks, Information Technology - **Published:** August 18, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-M10--3360-E-Hemisphere-Loop--BLDG-M10/Principal-Engineer--Actuation-Systems-Embedded-Software_01867680 ## About the Role Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Requires a University Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience or an advanced degree and a minimum of 5 years of prior relevant experience * Experience with systems engineering design and/or development or experience working in a disciplined, controlled manner, fully documenting work; extensively commenting code, test benches and test software. * Experience with C/C++ development on embedded hardware platforms or similar. * Experience with model development and/or data analysis in MATLAB/Simulink., * Advanced degree in Aerospace Engineering, Control Systems Engineering, Mechanical Engineering, Electrical Engineering, Physics or Computer Science * Experience developing firmware or software for safety significant environments including requirements development and traceability, design decomposition and documentation, static code analysis, design to safety critical coding standards such as MISRA-C, test case development, code coverage including modified decision/code coverage (MC/DC), code coverage analysis and formal qualification testing. * A working understanding of configurable logic (FPGA firmware) and VHDL). * Experience implementing digital control algorithms in hardware including embedded microcontrollers, digital signal processors, FPGAs and a working understanding of serial communication interfaces, analog to digital converters, and PWM generators. * Experience working with and integrating hardware. * Knowledge of actuation communication busses; UART, SPI, and I2C protocols; electromechanical actuators (using gears, ballscrews, leadscrews etc); position sensors; electronic controllers and power amplifiers; test equipment * Basic understanding of modeling and controls of electric motors and solid background in PMSM motor fundamentals * Digital and analog signal electronics design, development and verification. * Use of software/firmware configuration management tools such as GIT, Subversion or similar tools * Ability to work hands-on in teams and to articulate, in both oral and written form, to technical, non-technical and management audiences * Motivation to continue developing and learning on-the-job skills ## Description * You will help specify, design, verify, and integrate motor control embedded firmware for current and future precision control actuation systems. * You will implement digital control algorithms in C/C++ in conjunction with the Controls and Algorithms team. * Day-to-day the candidate will be expected to apply sound engineering practices to address technical problems while collaborating with a team including electrical engineering, mechanical engineering, control systems engineering, test engineering, systems safety engineering, and others. What You Will Learn * Hands-on opportunity with firmware integration and verification testing in a laboratory environment is plentiful, thus enabling firsthand knowledge of system function and performance. * The position will rely on fundamental understanding of C/C++, MATLAB/Simulink, and working with electrical and mechanical hardware. ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [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) - [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) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [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) - [How to develop an autonomous car end-to-end: Robotic Drive and the mobility revolution](https://www.wearedevelopers.com/videos/22-how-to-develop-an-autonomous-car-end-to-end-robotic-drive-and-the-mobility-revolution) ## Related Articles - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)