Senior Software Engineer - Embedded

Date Posted: 2026-07-14 Country: United States of America Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA. At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. We have an exciting opportunity for a Senior Software Engineer – Embedded to join our Electro-Optical & Infrared (EO/IR) Solutions Engineering Team in McKinney, TX, which is part of our Advanced Products & Solutions group. The Advanced Product and Solutions organization at RTX provides the joint warfighter with actionable information from an unblinking eye across the battlespace. By joining the APS Engineering team you’ll have the opportunity to design, develop and test product capabilities for Active Electronically Scanned Array (AESA) radars, integrated sensor suites, precision targeting, multispectral EO/IR targeting systems, Pilot Situational Awareness, Special mission aircraft and Strategic and tactical ISR Systems. But more than anything, we are innovators, creators and strategists drawing inspiration from each other every day. We collaborate, iterate, and execute with an eye toward the company mission and personal career growth. Explore our opportunities today and join us! What You Will Do Supports all aspects of a software development life cycle as members of a multi-disciplined team. This would include supporting new and legacy military and commercial programs from concept and requirements, to design, development, integration, test, and potentially subsequent maintenance tasking. Uses and provides creative solutions to complex technical system and software integration problems. Works closely with Systems Engineers to design ideal solutions with the end user and operational needs in mind. The ability to obtain and maintain a Secret U.S. government issued security clearance and a Special Access Program security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Work onsite at McKinney, TX [relocation eligible] This position will require occasional business-related travel. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations. Development experience on Linux, VxWorks, or other Real Time Operating Systems. Experience using object-oriented programming and C++ design paradigms. Experience in developing, testing, and integrating real-time software applications written in C++. Additional experience in coding using C, C#, Java or closely related software languages. Working knowledge in computer scripting language such as Shell/Perl/Python. Experience working with multi-discipline team(s). Active and transferable U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer Experience working in lab environments with physical hardware (e.g., test benches, simulators). Ability to quickly understand and navigate complex systems and established code bases. Experience with product development utilizing the Scrum techniques of the Agile software development process. Experience with DevSecOps pipeline implementation and utilization, including Static Code Analysis, Automated Build, and Automated Test techniques using continuous integration/continuous delivery with Test-Driven Development approach. Hands-on experience with Git for version control and GitLab for repository management. Ability to manage multiple priorities. Experienced in developing in CUDA to accelerate compute-intensive workloads on Nvidia GPUs. 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, Innovation, and Safety. Learn More & Apply Now! 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. Clearance Information: This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: 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 Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class. RTX