Principal Software Engineer (ONSITE)

Principal Software Engineer – Collins Aerospace Location: 1010 Production Rd, BLDG 150A, Fort Wayne, IN. Date Posted: 2026-06-10 Job Overview At Collins Aerospace, an RTX company, 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. What You Will Do Apply 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 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 engineering disciplines to define requirements, solve technical challenges, and deliver mission‑critical capabilities. Support the development of scalable, maintainable, reusable, and secure software solutions that meet program, customer, and operational requirements. Contribute to system integration, verification, validation, troubleshooting, and 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 technical efforts and serve as a subject matter expert within the discipline. Qualifications You Must Have Experience 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. Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10years of prior relevant experience or an advanced degree in a related field and minimum 7years of experience. Qualifications We Prefer Active and transferable Secret or Top Secret U.S. government issued security clearance. Experience developing, integrating, testing, deploying, sustaining, and 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, automated testing frameworks, and 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 related engineering disciplines. Experience with Model‑Based Systems Engineering (MBSE), UML, SysML, software architecture and design, requirements‑driven development methodologies, and related systems engineering practices. Experience supporting mission‑critical, safety‑critical, and/or regulated software development environments (e.g., DO‑178 or similar standards). Benefits Medical, dental, and vision insurance Three weeks of vacation for newly hired employees Generous 401(k) plan with employer matching and a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Additional optional coverages (pet, home and auto, etc.) Birth, adoption, parental leave benefits Additional wellness and health benefits Relocation Eligible for relocation. Equal Opportunity Employer 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. #J-18808-Ljbffr