Sr. Engineer, Actuation Systems Embedded Software

Prattwhitney; Tucson (AZ); On-site; USD 87,000 - 165,000; Full time

Job summary

RTX is seeking a highly skilled engineer to specify, design, verify, and integrate motor control firmware for precision actuation systems. You will develop digital control algorithms in C/C++ and collaborate across electronics, mechanics, control systems, and test teams to ensure robust hardware-software integration.

The role emphasizes hands-on firmware integration, verification in a lab, and familiarity with MATLAB/Simulink modeling.

Qualifications

• Requires a STEM degree and 5+ years of experience or an advanced degree with 3+ years experience.
• Experience with C/C++ on embedded hardware and documented development practices.
• Model development and/or MATLAB/Simulink data analysis experience.

Responsibilities

• Specify, design, verify, and integrate motor control embedded firmware.
• Implement digital control algorithms in C/C++ with the Controls and Algorithms team.
• Collaborate with electrical, mechanical, test, and safety engineers; document work.

Skills

C/C++ development

Embedded firmware

Team collaboration

Hands-on hardware experience

Problem solving

Education

University Degree in STEM

Advanced degree in Aerospace/Control Systems/EE/CS

Tools

GIT / Subversion

VHDL

FPGA firmware

Job description

Date Posted: 2026-08-18 Country: United States of America Location: US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world

What You Will Do

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.

Qualifications

Requires a University Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an advanced degree and minimum of 3 years of prior relevant experience. 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 working with and integrating hardware. Basic understanding of field-oriented control techniques and experience with various PWM schemes such as space vector modulation. 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‑job skills.

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Eligibility

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on‑site, hybrid or remote.

Salary and Benefits

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement. Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S. based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.