Senior Software Engineer at RTX

Compensation · Listed in posting

$86,800 – $165,200/yr

Setup: Hybrid
Location: Rockford, Illinois
Type: Full-time
Level: senior
Posted: Aug 12, 2026

Description

RTX is hiring a Senior Software Engineer in Rockford, Illinois, to develop and certify real-time embedded software for aerospace electric power systems. The role covers the full software development lifecycle, including C programming, architecture, testing, verification, certification, hardware integration, and documentation, with a hybrid work arrangement. Candidates need a STEM degree and at least five years of relevant experience, or an advanced degree with at least three years of experience, along with embedded software and C expertise. The salary range is 86,800 USD to 165,200 USD, and the role offers medical, dental, vision, retirement, and other benefits.

Required Skills

Embedded software
C programming
Software architecture
DO-178C
Lab testing
Hardware integration
MATLAB/Simulink
RTOS
ARINC 429
TMS320F2812 DSPs

Additional Information

Minimum Education: Degree in Science, Technology, Engineering, or Mathematics (STEM)
Required Previous Experiences: At least 5 years of prior relevant experience
Experience with the full embedded software development lifecycle, including requirements decomposition, design, implementation, verification, and certification
Hands-on experience with embedded lab testing using oscilloscopes, in-circuit emulators, and target debuggers
Preferred Qualifications: Experience developing and verifying embedded software in compliance with DO-178 or similar industry standards
Proficiency in Assembly, Python, and Tcl/Tk programming languages
Familiarity with Model-Based Development using MATLAB/Simulink
Experience with real-time embedded operating systems and low-level platform integration
Knowledge of Built-In Test development, module self-test, and system protection
Experience with configuration and requirements management tools
Understanding of ARINC, CAN, and Ethernet communication protocols
Experience with TMS320F2812 DSPs and Freescale PowerPC microcontrollers
Knowledge of generator control systems and hardware/software integration
Experience leading technical teams and mentoring engineers
Understanding of software quality assurance and the software development lifecycle
Excellent interpersonal, collaboration, and communication skills

About RTX

RTX

aerospace and defenseArlington, USA, VA

RTX connects our world through the power of flight and protects it with defense technologies. It designs, builds and supports innovations that keep people flying safely and protect nations. RTX accelerates the design and manufacture of complex systems using advanced digital tools, scalable design approaches and manufacturing-ready thinking from the start. Its three businesses are Collins Aerospace, Pratt & Whitney and Raytheon.

Open roles: 1,898
New in 30 days: 1,618

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Additional Information

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