> Markdown version of [/jobs/ext/3933137-principal-embedded-software-engineer-radar-onsite](https://www.wearedevelopers.com/jobs/ext/3933137-principal-embedded-software-engineer-radar-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Embedded Software Engineer - Radar, Onsite - **Company:** RTX - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $118,300.0 - $224,900.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Algorithm Design, Software Applications, C++ (Programming Language), Continuous Integration, Data Structures, Software Debugging, Embedded Software, Integrated Development Environments, Python (Programming Language), Object-Oriented Software Development, Software Engineering, Systems Integration, Scripting, SC Clearance, Solid Principles, Modeling and Simulation - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467210187&tx=JR5347FFF&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) AND a minimum of 8 years of prior relevant experience. * Experience with software development, test, and/or integration using C, C++ Experience with Scripting languages like Python. * Experience with System and Software blended skills including:: * a) Optimization and Analysis * b) System of Systems Resource Management * c) Modeling and Simulation - kill chain analysis * d) Tracking Software Integration, output analysis, and algorithm development * 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., * Bench support, familiarity with platform engineering tools * Clearly communicate plans, status, and issues to teammates and program leadership * Ensure the successful integration of software components into delivered products * Experience in Object Oriented and scripting languages * Ability to work in a fast paced, dynamic environment with time-critical requirements * Experience contributing to a team environment for the purpose of developing creative solutions to difficult technical problems * Experience working in a Continuous Integration/Continuous Development environment; experience with CI/CD pipelines * Experience with developing, testing, and integrating software using C / C++ or modern software development language * Experience with data structures, algorithms, and software design principles * Software development lifecycle experience * Excellent communications skills and team collaboration skills * Self-motivated * Proven ability and desire to facilitate career growth and knowledge transfer * Proven ability to develop technical solutions to complex issues ## Description * Design, develop, and test software based on software trouble reports in an agile, collaborative environment, delivering builds * Demonstrate critical thinking skills, the ability to thrive in small, empowered teams, and an intense desire to directly enable our customers' success * Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments * Write and maintain comprehensive documentation for software applications, including system architecture and design specifications * Participate in agile execution and continuous improvement * Work collaboratively with multiple engineering disciplines to analyze, implement, and test system modification requests to the existing system baseline, * 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. * This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA , 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: https://www.state.gov/m/ds/clearances/c10978.htm 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.