Software Engineer II - Avionics System Tools (AST) (Onsite)

Date Posted: 2026-08-28 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. 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 II to join our Avionics System Tools (AST) team based in Cedar Rapids, Iowa. Our team develops and supports software tools, simulation environments, test infrastructure, and DevOps capabilities used across Collins Aerospace avionics programs. These technologies enable engineers to develop airborne software, test avionics systems, integrate flight-deck capabilities, automate software production, and generate/verify avionics configuration data. You will work with software and systems engineers across commercial, business, and military avionics programs while gaining exposure to a broad range of products, technologies, and customers. What You Will Do: Design, develop, test, and support software tools used for avionics development, simulation, integration, verification, and production. Develop software using languages such as C, C++, C#, Python, Java, and Robot Framework based on project needs. Develop and maintain automated test infrastructure supporting continuous integration, software verification, and repeatable engineering workflows. Implement and support DevOps tools and processes that improve automation, efficiency, and consistency across avionics development environments. Develop software requirements, designs, code, test cases, and other engineering artifacts throughout the software lifecycle. Investigate software issues, perform root-cause analysis, and implement robust solutions with support from experienced technical leads when needed. Participate in peer reviews of requirements, designs, source code, and verification artifacts to ensure software quality and maintainability. Support integration of software tools with desktop, laboratory, virtual, and cloud-based avionics environments. Collaborate with engineers, technical leads, program teams, and internal customers to understand technical needs and deliver effective solutions. Use software configuration management and engineering tools such as Git, Jira, Artifactory, Jama, Grafana, Docker in a cross-platform environment including Linux and Windows. Contribute ideas that improve software architecture, development processes, automated testing, and overall engineering efficiency. Support development and verification activities for unqualified and DO-330 qualified software tools, as applicable. What You Will Learn: Build end-to-end experience across software requirements, design, implementation, integration, verification, and delivery. Gain experience developing software tools that support safety-critical avionics products and certification activities. Develop knowledge of DO-330 tool qualification, Cert DevOps, and automation approaches used in avionics software development and verification. Gain hands-on experience with desktop, Linux, cloud, simulation, and avionics test environments. Learn how avionics test stands, system integration facilities, simulation environments, and next-generation development platforms are designed and used. Work across business, commercial, and military programs, providing a broad exposure to Collins Aerospace technologies and engineering organizations. Grow your technical depth while taking on increasing ownership of software components, engineering problems, and customer needs. Qualifications You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 2 years of prior relevant experience or an Advanced Degree in a related field. Software development experience using one or more programming languages such as C, C++, C#, Python, or Java. Experience developing, testing, debugging, or supporting software applications or engineering tools. Working knowledge of software development lifecycle activities, including requirements, design, implementation, testing, and peer review. Experience working with software configuration management or revision-control tools such as Git or Subversion. Experience with Microsoft Windows and/or Linux software development environments. Qualifications We Prefer: Experience developing or supporting software tools used by engineering teams. Experience writing software requirements, test cases, or automated test procedures. Familiarity with automated software testing, including unit, functional, integration, or system-level testing. Experience with object-oriented software development and modular software design. Familiarity with DevOps and continuous integration/continuous delivery concepts. Experience with technologies such as Docker, Kubernetes, Ansible, Artifactory, Grafana, AWS, or Robot Framework. Familiarity with software debugging, root-cause analysis, and troubleshooting of integrated software/hardware environments. Exposure to avionics, embedded systems, simulation, test systems, or safety-critical software development. Familiarity with DO-178, DO-330, DO-200 or other regulated software development environments. Ability to work effectively in a collaborative engineering team, communicate technical issues clearly, and take increasing ownership of assigned work. Demonstrated curiosity and ability to learn new programming languages, technologies, and engineering domains as project needs evolve 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! This role may be eligible for relocation. Learn More & Apply Now! Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs). Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn’t shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies. Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way – the right way – to achieve what others can only dream of. 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. 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 68,900 USD - 131,100 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: Click on this link to read the Policy and Terms