Senior Software Engineer - Avionics System Tools (Onsite)

Prattwhitney; Cedar Rapids (IA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) with matching

Tuition reimbursement

Student Loan Repayment

Life insurance and disability

Parental leave benefits

Pet insurance options

Job summary

RTX's Collins Aerospace Avionics Software Tools Team in Cedar Rapids, IA is seeking a Software Engineer to develop and maintain tools for avionics software development, verification and production.

You will work on simulation tools, CI infrastructure, and cross-platform software across Linux and Windows environments, using C/C++, Python, Java and related DevOps practices.

Qualifications

• A STEM degree with 5+ years of relevant experience, or an advanced degree with 3+ years.
• Experience leading small technical projects or processes.
• Proficiency in C/C++/C#, Python, or Java.
• Linux and Windows 11 proficiency on desktop/server environments.

Responsibilities

• Code, test, and support simulation and configuration tools for avionics.
• Develop DevOps processes to automate avionics software production.
• Build and test infrastructure for automated builds and CI across Linux/Windows.
• Collaborate with teams using Git, GitMR, Artifactory, Jama, Grafana, Docker.

Skills

C/C++/C#

Python

Java

Project leadership

Linux

Windows 11

Education

STEM degree

Advanced degree

Tools

Git

DevOps tooling

Job description

Date Posted: 2026-10-09 Country: United States of America Location: US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106 Position Role Type: Onsite 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

At RTX, the world's 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. We are seeking a Software Engineer for our Avionics Software Tools Team based in Cedar Rapids, Iowa. The software engineer will join a team of software and systems engineers driving solutions for many avionics teams. The team supports Avionics development teams and simulations across Commercial Business Jets, Air Transport aircraft and Mission Systems aircraft programs. Our tools are used to develop features in avionics products, test avionics systems and produce Avionics software configuration files for products. These tools are used by engineers across Collins Aerospace and by our Aircraft manufacturing customers and aircraft operators. We produce a continuum of technologies and tools to provide desktop and cloud Avionics environments, enable Avionics test stands, flight deck system integration facilities and DO-330 qualified tools that produce and verify configuration files for Avionics products. We serve and support a broad range of Avionics products within Collins. This is a great role in getting experience across the entire breadth of our Avionics organization.

What You Will Do:

• Work in a team focused on innovation and production of software tools that enable Avionics airborne software development, verification and production.
• Code, test, and provide ongoing support for simulation software and Avionics configuration tools to meet technical and customer requirements.
• Implement DevOps tools and processes in Avionics engineering and apply technologies to automate and streamline avionics software production.
• Develop tools and testing infrastructures that support automated build and continuous integration, and test using a variety of languages including C/C++, Python, Java and Robot Framework.
• Collaborate using software configuration management tools and DevOps tools such as Git, GitMR, Artifactory, Jama, Grafana and Docker in a cross-platform environment including Linux and Windows.

What You Will Learn:

• You will gain experience in Cert DevOps, developing and contributing to new methods, technologies and techniques to automate software testing and verification.
• You will be part of a team that integrates virtual Avionics environments on desktop PCs and AWS to enable continuous test and integration, that are used in flight deck design, product creation, and customer demonstrations that show what Collins Avionics products are capable of.
• Entry into embedded safety critical software development through developing unqualified and DO-330 qualified software tools that are used to test airborne software, produce configuration files for airborne software, avionics network switches, and end systems.
• You will work on aircraft that span across the industry—business jets, commercial aircraft, and military aircraft, gain exposure to different teams and departments, broadening your skillset and expand your professional network.
• You will learn how current generation Avionics test rigs are designed and built and contribute to the design of next generation of test rigs that will incorporate new technologies, new challenges and serve new customers.

Qualifications You Must Have:

• Degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or An Advanced Degree in a related field and minimum 3 years of experience.
• Experience leading small technical projects or processes.
• Experience using one or more of the following programming languages: C/C++/C#, Python, or Java.
• Linux and Microsoft Windows 11 experience and familiarity with operating and using software on Windows PCs.

Qualifications We Prefer:

• Ability to work in a team and make sound ethical decisions that drive results.
• Ability and aptitude to learn programming languages on the job as technologies evolve.
• Use of formal configuration management tools such as Git.
• Familiarity with automated testing of software, through unit tests, functional testing and/or high-level tests.

What We Offer:

The salary range for this role is 86,800 USD - 165,200 USD.

• 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 illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Carrot Health to hormonal health, fertility, and family building
• 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!

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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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.

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. 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 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.