Software Engineer II (Onsite)

Software Engineer Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. As a Software Engineer, you'll leverage the latest in AI-driven development to build the precision, safety, and intelligence behind tomorrow's commercial, business, and military Flight Decks. You won't just be supporting technology; you'll be shaping it—engineering avionics solutions trusted in the most demanding environments on the planet. Our Next Generation engineering team is redefining what's possible in modern avionics, building next-generation flight technologies that push the boundaries of speed, safety, autonomy, and intelligence. From advanced flight-management software and high-performance embedded systems to intelligent sensor fusion, real-time avionics networks, and autonomous mission platforms, we design the systems that power the aircraft of the future. Our technology sits at the crossroads of aerospace, AI, and high-reliability computing—turning bold ideas into dependable systems trusted in the sky every day. We're a team of engineers, innovators, and aviation enthusiasts who thrive on solving complex problems with elegant, high-impact solutions. Our culture blends deep technical rigor with a startup-like energy—rapid iteration, hands-on experimentation, and a passion for building things that fly. If you want to work on sleek, modern avionics products, experiment with cutting-edge technologies, and help shape the future of intelligent flight systems, this is the place to do it. What You Will Learn Develop and optimize embedded flight-software for safety-critical systems used in commercial aircraft and military platforms. Write high-performance, deterministic code and conduct debugging and validation using simulation tools. Collaborate closely with systems engineers, hardware teams, AI/ML specialists, and flight-test personnel to deliver integrated avionics solutions that meet stringent aviation safety, performance, and certification requirements. Implement and support AI-assisted onboard features such as intelligent sensor fusion, anomaly detection, and autonomous control logic. Conduct debugging and validation using oscilloscopes, logic analyzers, hardware debuggers, simulation and hardware-in-the-loop (HIL) environments. Ensure compliance with aviation safety standards such as DO-178, and adherence to secure coding and cyber-resilience practices. Participate in flight-test operations, lab testing, and simulation runs to evaluate system performance under real-world and mission-critical conditions. Qualifications You Must Have Master's degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date. Experience may be obtained through on-the-job experience, research, coursework, or projects. Qualifications We Prefer Prior RTX internship, co-op, or work experience. Experience in high level programming languages (e.g. C, Python, C++ programming), Git, DevOps An emphasis on strong collaboration and communication skills, with a desire to achieve world class abilities to work within dynamic teams to solve challenging problems. Basic understanding of aircraft operational fundamentals is desirable, as the role involves executing flight test scenarios to validate system functionality and performance. This hands-on work will enable the candidate to directly contribute to the advancement of next-generation aerospace technologies. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility Learn More & Apply Now! Please consider the following role type definition as you apply for 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. 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 68,900 USD - 131,100 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. Raytheon