Principal Software Engineer (ONSITE)

Date Posted:2026-06-10 Country:United States of AmericaLocation:US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150APosition Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required after day 1At Collins Aerospace, an RTX company, we are advancing the future of aerospace and defense through innovative technologies and mission-critical solutions. Our teams develop capabilities that help connect, protect, and enable customer missions around the world.We are seeking a Principal Software Engineer to join our engineering organization and help deliver innovative software solutions that support critical aerospace and defense missions. In this role, you will have the opportunity to apply your technical expertise to complex challenges while contributing to technologies that make a meaningful impact.This position may support technologies and capabilities including secure communications, mission systems, cybersecurity, autonomous systems, embedded software, software modernization, DevSecOps, and other advanced aerospace and defense solutions.This position may be located onsite in one of the following locations: Cedar Rapids IA, Fort Wayne IN, Richardson TX or Largo FL.Sign-on Bonus EligibleWhat You Will DoApply advanced technical knowledge and expertise to solve complex challenges and deliver innovative software solutions that support customer and business objectives.Lead and execute software engineering activities throughout the software lifecycle, including requirements analysis, architecture, design, development, integration, testing, deployment, modernization, sustainment, and/or related engineering efforts.Develop, implement, and support software solutions, technologies, products, systems, and/or capabilities across a variety of mission areas.Collaborate with multidisciplinary teams, customers, stakeholders, and/or engineering disciplines to define requirements, solve technical challenges, and deliver mission-critical capabilities.Support the development of scalable, maintainable, reusable, and/or secure software solutions that meet program, customer, and operational requirements.Contribute to system integration, verification, validation, troubleshooting, test, and/or deployment activities to ensure high-quality software performance, functionality, and reliability.Influence technical approaches, engineering solutions, and program outcomes through the application of software engineering expertise.May manage moderately sized projects, initiatives, and/or technical efforts and serve as a subject matter expert within their disciplineQualifications You Must HaveExperience developing software applications, systems, or solutions using programming languages such as C/C++, Java, or similar languages.The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.Qualifications We PreferActive and transferable Secret or Top Secret U.S. government issued security clearance.Experience developing, integrating, testing, deploying, sustaining, and/or supporting software-based products, systems, platforms, and/or capabilities.Experience with Linux, embedded software, real-time operating systems, DevSecOps, CI/CD pipelines, Agile development methodologies (e.g., Scrum, SAFe), automated testing frameworks, and/or related software development environments.Knowledge of cybersecurity principles, secure software development practices, software assurance methodologies, requirements analysis and decomposition, systems integration, verification and validation, and/or related engineering disciplines.Experience with Model-Based Systems Engineering (MBSE), UML, SysML, software architecture and design, requirements-driven development methodologies, and/or related systems engineering practices.Experience supporting mission-critical, safety-critical, and/or regulated software development environments (e.g., DO-178 or similar standards).What We OfferSome 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!  Eligible for relocationLearn 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.