Senior Principal Software Engineer (ONSITE)

Location: US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A Job Title: Senior Principal Software Engineer Security Clearance: DoD Clearance: Secret We are seeking a Senior Principal Software Engineer to join our engineering organization and help deliver innovative software solutions that support critical aerospace and defense missions. Responsibilities Lead 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 enhance software solutions, technologies, products, systems, processes, standards, and capabilities across a variety of mission areas. Collaborate with multidisciplinary teams, customers, stakeholders, vendors, and other engineering disciplines to define requirements, solve technical challenges, and deliver mission‑critical capabilities. Apply expert technical knowledge and domain expertise to solve highly complex challenges and deliver innovative software solutions that support customer and business objectives. Support the development of scalable, maintainable, reusable, and secure software solutions that meet program, customer, and operational requirements. Drive system integration, verification, validation, troubleshooting, test, deployment, and operational support activities to ensure high‑quality software performance, functionality, and reliability. Influence technical direction, engineering strategies, software architectures, and program outcomes through the application of deep software engineering expertise. Communicate technical concepts, recommendations, risks, and program status to audiences ranging from engineering teams to customers and executive leadership. Lead significant technical efforts, initiatives, and projects while serving as a subject matter expert and technical authority 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, 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 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 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 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 funds and a Lifetime Income Strategy option Tuition reimbursement program Student Loan Repayment Program Life insurance and disability coverage Optional coverages including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, and parental leave benefits Ovia Health, fertility, and family planning services Adoption Assistance Autism Benefit Employee Assistance Program with up to 10 free counseling sessions Healthy You Incentives and wellness rewards program Doctor on Demand and virtual doctor visits Bright Horizons child and elder care services Teladoc Medical Experts second opinion program Eligible for relocation Employment Type 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. Equal Opportunity Employment 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 Collins Aerospace