Senior Software Engineer (ONSITE)

Job ID: 01859313Posted: Posted YesterdayStart Date: 2026-09-23Location: US-IA-CEDAR RAPIDS-105 ~ 400 Collins Rd NE ~ BLDG 105Country: United States of AmericaTime Type: Full timeDate Posted:2026-09-23 Country:United States of America Location:US-IA-CEDAR RAPIDS-105 ~ 400 Collins Rd NE ~ BLDG 105 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:The company will offer immigration sponsorship for this position, if needed.​ The company will not seek an export authorization for this role. Security Clearance Type: None/Not Required Security Clearance Status: Not RequiredAt 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.Collins Aerospace is looking for a Senior Software Engineer with a passion for engineering and the desire to be part of a team of engineers responsible for designing, developing and testing industry-leading avionics products. Our team develops Flight Display Application software and is a part of the Collins Aerospace state-of-the-art flight deck solution. As a key member of the Flight Display Application team, you will be developing and integrating software. The Collins Aerospace flight deck solution is a continuous evolving set of products which consist of different technologies. This position offers various growth and learning opportunities in an exciting field. Join the Flight Display Application team and make a difference!This is an onsite position based in Cedar Rapids, Iowa.What You Will Do:As an experienced C/C++ developer, you will develop, test and integrate flight deck application software and flight management software.You will be responsible for providing high quality solutions to internal and external customers.You will typically be involved in the following development phases: Scope Planning, Architecture and Design, System and Software Requirements, Implementation, Integration and Testing/Verification as well as Certification.You will master the technical aspects of flight deck applications, and you are actively involved in the development aspects.You will build, deliver, and integrate software and configuration on test fixtures and rigs for various aircraft types and perform various analyses such as footprint testing.You will support the successful execution of projects throughout the development life cycle (planning, development, and certification).You will use CI/CD tools to build and integrate software in a fast paced Agile development environmentYou will coordinate and communicate with direct team members, technical project managers, systems engineers, and product managers.You will understand the certification aspects of the flight deck applications to successfully certify the product.You will understand and follow processes, and you will always be learning and continuously looking for improvements.What You Will Learn:You will learn about Collins Aerospace state-of-the-art flight deck solutions.You will learn about new industry leading development methodologies, i.e. DevOps, AI/ML assisted development and test automation and a modern tool chain.Qualifications You Must Have: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.At least three to five years of strong C software programming and application development. You need to be able to demonstrate proficiency in C software design, implementation, debugging and optimizing C based software.Knowledge of Python is required.Test and Integration and code debugging experience is required.The successful candidate will also be expected to:Be able to learn new programming languages and technologies quickly.Enjoy working with people and is a great communicator and contributing to a positive work environment.Be motivated and a self-starter.Be a quick learner and able to work with minimal supervision.Be able to handle multiple projects at once.Possess excellent communication and presentation skills and being a team player.Qualifications We Prefer:Experience with additional programming or scripting languages (i.e. C++, Perl, Java) is desired.Experience with embedded development is desired.Experience with CI/CD and related tools is desired.Experience with Git, Gitlab, Visual Studio Code, Jama, Jira is desired.Experience with networking technologies (i.e. Ethernet, TCP/IP, Wireshark) is desired.Experience with model-based development (i.e. Matlab/Simulink) is a plus.Experience in Avionics and Avionics Certification is a plus.Experience with Agile, scrum master, project management is a plus.What We Offer:Medical, dental, and vision insuranceThree weeks of vacation for newly hired employeesGenerous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy optionTuition reimbursement programStudent Loan Repayment ProgramLife insurance and disability coverageOptional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protectionBirth, adoption, parental leave benefitsOvia Health, fertility, and family planningAdoption Assistance Autism BenefitEmployee Assistance Plan, including up to 10 free counseling sessionsHealthy You Incentives, wellness rewards programDoctor on Demand, virtual doctor visitsBright Horizons, child and elder care servicesTeladoc Medical Experts, second opinion programAnd more! Learn More & Apply Now! Avionics delivers advanced cockpit displays, vision systems, and comprehensive digital solutions for global government, commercial and business aviation customers. We provide connectivity and managed data services to ensure safety and seamless communication for passengers, crews, and militaries, from aircraft and airports to air traffic management. Join us in creating solutions that connect the world, one flight at a time. Start your application today.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 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:Click on this link to read the Policy and Terms