Senior Software Engineer (Onsite)

Date Posted: 2026-09-15

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:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required on day 1

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.

The Collins Test Solutions Engineering team within Mission Systems seeks a Software Engineer with the desire to learn, grow, and lead a talented team of engineers. The Software Engineer engages in all phases of a program life cycle, from pursuit, bidding, and program planning, to execution, delivery, and project close-out. Throughout a program, the Software Engineer performs the roles of customer and/or engineering advocate, internal/external point of contact, technical leader, cost account manager, schedule planner, risk and opportunity facilitator, and program reporter.

Our Test Engineering team designs, builds, and deploys sophisticated testing solutions for product engineering, manufacturing, and repair depots, both internal to Collins and to external domestic and international customers. We work with a vast array of complex products so designing a multi-rack test solution blends creativity with technology to ensure end-product integrity before customer delivery. Testing these products can require leading edge equipment with high-speed connectivity for rapid, efficient, complete, and automated test execution. Every type of engineering that goes into end products applies to test engineering development.

What You Will Do:

• Design, create, and integrate the software components of hardware test stations for factory and engineering labs which include:
• Work hands on, with test hardware equipment to develop software which tests military communication hardware products during the build and manufacturing process
• Analyze and understand requirements to ensure testability
• Develop clear and concise test objectives that guide the testing process and ensure comprehensive coverage
• Write software for both manual and automated test cases, with an objective to detect manufacturing defects, improve product quality and increase manufacturing yields
• Analyze test results for failures and discrepancies
• Work closely with other test engineers and product developers to verify product hardware is built correctly
• Coordinate and collaborate with Systems, Electrical and Mechanical engineering disciplines

Qualifications You Must Have:

• Active and transferable Secret U.S. government issued security clearance is required prior to start date. ​
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
• Experience programming in C# and Python languages
• Experience in validation, verification, testing, and requirements analysis
• Experience with manual use or automation of test equipment such as oscilloscopes, network analyzers, and other equipment

Qualifications We Prefer:

• Experience using SCPI commands
• Knowledge of software testing methodologies (functional, integration, regression, performance, etc.) and best practices
• Experience with bug tracking and test management tools.
• Attention to detail to identify and document any anomalies or inconsistencies in software performance.
• Strive to consistently produce superior results, keeping project milestones on schedule and contributing to a positive work environment
• Experience with configuration management tools such as GIT or SubVersion (SVN)
• Experience in networking fundamentals (TCP, UDP, Telnet, etc...)
• Experience in embedded communication protocols (I2C, SPI, UART, etc...)
• Work in an agile environment (SAFe)
• Experience with Atlassian tools suite
• Knowledge and\or experience in multi-threaded embedded application software engineering development and integration
• Comfortable working with languages such as C, C++, and Java
• Experience working in a Linux development environment
• Strong written and verbal communication skills
• Strong analytical and problem-solving skills to effectively diagnose and address issues

What We Offer ​

• 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!  

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Learn More & Apply Now!​

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today. ​

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

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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. ​

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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 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.

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