Senior Software Engineer (Hybrid)

RTX; Chicago (IL); Hybrid; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

401(k) plan with employer matching

Job summary

Collins Aerospace is seeking a Senior Software Engineer to develop embedded flight software for electric power distribution and conversion systems. You will work through the full software lifecycle, from requirements to certification, ensuring safety-critical software complies with DO-178B/C and Design Assurance Levels A–C.

The role involves collaborating with cross-functional and distributed teams, performing timing/memory/stack analyses, and contributing to software reviews and audits while

Qualifications

• Typically requires a STEM degree and 5+ years of relevant experience or an advanced degree with 3+ years of experience.
• In the absence of a degree, 9 years of relevant experience may be considered.
• Experience across full life-cycle software development from requirements to testing and certification.

Responsibilities

• Develop embedded flight software for electric power distribution and conversion systems.
• Perform timing, memory, and stack-usage analyses to meet DO-178B/C objectives.
• Support certification activities and audits (SOI, reviews) with cross-functional teams.
• Lead and participate in design, reviews, and multi-discipline research with hardware and software teams.
• Collaborate with distributed teams to ensure compliant software development practices.

Skills

Strong communication

Independent work

Troubleshooting

Documentation

Education

STEM degree

Tools

Polarion

SVN

Telelogic Synergy

Telelogic Rational DOORS

MATLAB

Job description

Date Posted: 2026-09-17 Country: United States of America Location: US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6 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: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62 Security Clearance Type: None/Not Required Security Clearance Status: Not Required

Collins Aerospace is seeking a Senior Software Engineer to support the development of embedded flight software for electric power distribution and conversion systems. This role is responsible for the full software development life cycle, including requirements, architecture and design, implementation, integration, testing, verification, and certification support. The position involves working closely with cross-functional and geographically distributed teams to develop safety-critical aerospace software, primarily in C, while supporting compliance with DO-178B/C and Design Assurance Levels A–C. The engineer will also contribute to software reviews, certification activities, SOI audits, process improvement, and technical analysis involving timing, memory, and stack usage. The ideal candidate is a strong communicator who can work independently and collaboratively, document technical work clearly, troubleshoot complex software issues, and communicate effectively during internal and external technical reviews.

What You Will Do

Work in a team environment, including with remote team members, engaging in full life-cycle development (planning, requirements, design, verification, and certification/qualification) of electric power distribution and conversion systems, typically developed in C and certified to aerospace standards such as DO-178B/C and Design Assurance Levels A through C. Participate in the Software Discipline Council to improve and adapt standard work and department practices. Participate in and/or assist the Software Lead with Stage of Involvement (SOI) audits. Measure and analyze software designs for equipment and products to ensure current and future business needs are met. Build and implement procedures that support hardware and software product development and functions. Operate equipment and computer systems for testing and software design purposes to facilitate operations and ensure established objectives are achieved. Design, develop, document, test, and debug control and diagnostic systems that incorporate logical and mathematical solutions. Work with the Software Lead to conduct multidisciplinary research and collaborate with equipment designers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software. Perform timing, memory, and stack-usage analyses. Determine end-user needs by analyzing system capabilities and resolving issues related to program intent, output requirements, and input data acquisition. Ensure hardware and software standards are met. Design and implement procedures that support hardware and software product development and use. May develop software configuration standards for company-wide use.

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 or in absence of a degree, 9 years of relevant experience Qualifications We Prefer Full life-cycle software development experience, from requirements analysis through hardware/software integration and testing. Knowledge of software development processes. Knowledge of Collins secondary power distribution products. Knowledge of Collins products and suppliers is a plus. Experience with Polarion, SVN, Telelogic Synergy, Telelogic Rational DOORS, and MATLAB. Ability to work independently with minimal supervision. Strong presentation and communication skills, with experience delivering information to leadership and cross-functional teams. Demonstrated ability to work independently and manage priorities in a fast-paced, dynamic environment.

What We Offer Benefits

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!

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!

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

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.

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.

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.

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.

Privacy Policy and Terms: 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.