Senior Software Engineer (Hybrid)

Date Posted : 2025-08-12

Country :

United States of America

Location :

A01 : Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 USA

Position Role Type : Hybrid

U.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 :

Security Clearance :

None / Not Required

Do 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 Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

May be eligible for relocation

We make modern flight possible for millions of travelers and our military every second. Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. Join us as we take flight!

Role type definition :

Hybrid : Employees who are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other propel us all higher, again and again.

The salary range for this role is 82,000 USD - 164,000 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.