Software Engineer 1 - Core Systems & Libraries (Onsite)

Date Posted:

2026-06-04



Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-124 ~ 400 Collins Rd NE ~ BLDG 124

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops, and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. 

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Design the Foundation of Next-Generation Avionics by joining the growing Collins Aerospace Core Systems and Libraries team and play a key role in shaping the software foundation that powers modern aircraft. We are seeking an Associate Software Engineer who thrives on solving complex technical challenges and driving high-impact solutions across safety-critical systems.

In this entry level role, you will help create the architecture and development of core software components, libraries, and tools that enable scalable, certifiable avionics platforms. You’ll work across the full software lifecycle, partnering with cross-functional teams to deliver high-quality solutions aligned with civil and military certification standards.

This is a unique opportunity to influence system-level design, advance open architecture initiatives, and contribute to technologies that define the future of aerospace. This role is onsite, in Cedar Rapids, Iowa. This role may be eligible for relocation.

What You Will Do:

• You will develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements.
• You will work with technical direction and execution across development and verification activities for safety-critical software (DO-178).
• You will develop software requirements, decomposition, and traceability across complex systems and develop and verify software using modern C++ and object-oriented design principles.
• You will develop DO-178 certification artifacts, including DAL-A deliverables.
• You will perform certification efforts, including engagement with customers and regulatory. authorities.
• You will conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle.
• You will collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives.
• You will be willing and able to travel as required (domestic and international <10%). 

What You Will Learn:

• Gain hands-on experience with cutting-edge and emerging technologies that are shaping the future of avionics and aerospace systems.
• Build end-to-end expertise across the full product lifecycle, from requirements and design through verification and delivery of safety-critical systems.
• Develop a deep understanding of software certification (DO-178) and how world-class avionics products meet rigorous regulatory standards.
• Learn how to design, scale, and sustain software product lines that support a wide range of platforms and global customers.

Qualifications You Must Have:

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) obtained prior to start.
• U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.
• Experience with C++.

** Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer:

• A degree in Computer Engineering, Electrical Engineering, Software Engineering, Computer Science or similar.
• Experience writing High-Level and Low-Level Requirements.
• Experience writing Test Cases and Automated Test Procedures.
• Experience with Civil Certification DO-178 – DAL A preferred.
• Experience with design and development of Flight Management Systems, Software, Aircraft Applications or Middleware.
• Familiar with revision control concepts and tools (e.g. GIT, Subversion, JIRA).

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!  

Learn More and Apply Now!

Collins Aerospace, a RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Our Avionics team advances flight deck solutions, airborne communications, vision systems, sensors and fire protection for commercial and military customers around the world. That means we’re helping people reach their destination safely and keeping pilots, passengers, flight crews, airlines, airports and military personnel connected and informed. And we’re providing industry-leading fire protection and safety systems that our customers can count on when it matters most. Are you ready to learn from the most knowledgeable experts in the industry, develop the technologies of tomorrow and reach new heights in your career? Join our Avionics team today.

WE ARE REDEFINING AEROSPACE.

* Please consider the following role type definition as you apply for this role.

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.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

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.

Apply now and be part of the team that’s redefining aerospace, every day.

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 57,200 USD - 108,800 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.

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