Senior Software Engineer (Hybrid)
RTXAbout the role
Date Posted:
2025-08-12Country:
United States of AmericaLocation:
A01: Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 USAPosition Role Type:
HybridU.S. Citizen, U.S. Person, or Immigration Status Requirements:
This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62Security Clearance:
None/Not RequiredDo you want to be part of a global business creating innovative solutions for the aerospace industry’s biggest customers? That’s what we do every day in the Electric, Environmental & Engine Systems (ES) business. Our major product lines are on-board virtually every aircraft flying today. From keeping passengers safe with emergency power systems, to enhancing the in-flight experience with quieter engines and precise cabin pressure controls, ES is committed to delivering best-in-class performance for our customers.
We’re looking for a Senior Software Engineer to join our Electric Power Systems team. If you thrive in solving complex challenges, enjoy collaborating with top industry experts, and want to help shape the future of aerospace, this is your opportunity to take flight with us.
What You Will Do
Lead embedded software development for aerospace electric power systems, including full life-cycle responsibilities: planning, design, coding, verification, and certification.
Collaborate in a team environment (both local and remote) to translate system-level requirements into high-level and low-level software specifications.
Design and implement robust architectures in C for safety-critical applications certified to DO-178 standards (Levels A–C).
Conduct rigorous verification activities including unit tests, integration tests, and system-level testing to ensure compliance with aerospace certification requirements.
Work hands-on in lab environments, using oscilloscopes, emulators, test stands, and debugging tools to validate embedded software functionality.
Support continuous improvement of software development processes, ensuring high reliability, maintainability, and quality across all projects.
Mentor junior engineers and provide technical guidance in software design, coding practices, and certification documentation.
Partner with cross-functional teams in hardware, systems, and test engineering to deliver integrated, customer-ready solutions.
Qualifications You Must Have
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
Qualifications We Prefer
Experience with embedded software development and verification with industry standards (DO-178 or equivalent)
Strong knowledge of C programming and real-time embedded systems
Experience across the full software life cycle, from requirements through certification
Experience with Model-Based Development (e.g., MATLAB/Simulink)
Familiarity with real-time operating systems and board support package integration
Understanding of aerospace communication protocols (ARINC 429, CAN, Ethernet, etc.)
What We Offer
Some of our competitive benefits package includes:
- Medical, dental, and vision insurance
- Three weeks of vacation for newly hired employees
- Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
- Tuition reimbursement program
- Student Loan Repayment Program
- Life insurance and disability coverage
- Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
- Birth, adoption, parental leave benefits
- Ovia Health, fertility, and family planning
- Adoption Assistance
- Autism Benefit
- Employee Assistance Plan, including up to 10 free counseling sessions
- Healthy You
Apply for this role
Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.
Apply Now →Generate Application KitFree account required — sign up in 30s