Job Description
Date Posted: 2026-05-08 Country: United States of America Location: US-CA-GOLETA-H03 ~ 6380 Hollister Ave ~ BLDG H03 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: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Software Department team in Goleta, Santa Barbara County, CA is seeking a highly motivated, experienced Senior Principal Software Engineer to be part of their team supporting Electronic Warfare (EW) programs. What You Will Do Technical leadership and participation on collaborative, cross-disciplined integrated product teams, often employing agile system and software development operations to plan, specify, design, test, and integrate complex software and systems solutions. Responsibilities include inventions and innovations of new products and technologies, from architecture and design, through integration, lab test and field test. Collaborating effectively with other disciplines and senior technical staff, in addition to producing planning and technical work products for internal customers to form original solutions to complex problems. Developing software requirements and FPGA level interface requirements derived from system level requirements, developing associated architectures, performing simulations and analysis and testing of the software in a laboratory setting. Work in an advanced product development team environment with systems, firmware, electrical and software engineers. Think out-of-the box to root-cause issues and develop creative resolutions. Handle fast pace and dynamic product development environment including engagement with Systems' and Electrical Engineers This position will require occasional business-related travel. Qualifications You Must Have: Typically requires a Bachelor’s in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience unless prohibited by local laws/regulations. Experience in software design, development, integration and test utilizing C / C++ and Ada, and software algorithm development. Experience with embedded microprocessors, system on a chip software design, FPGAs, high-speed transceivers, DDR, flash memories, block diagrams, signal analyses and signal generation, or similar. Experience as technical / project lead. 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: Lab experience in product testing using logic analyzers, high-speed oscilloscopes, signal generators, and system-on-chip debugging tools. Experience developing real-time applications on embedded platforms, such as embedded Linux, VxWorks or Windows environments. Electronic Warfare Electronic Attack/Electronic Support (EA/ES), Radar, or Secure Communications technology knowledge. Tool familiarity: Visual Studio, Code Composer, ClearCase, Vitis, Git, Jira, Collaborator. Experience with interfaces and bus standards such as:1553, PCI/PCIe, Gb Ethernet, Experience in software lifecycle phases from architecture to system integration, and post-delivery maintenance. Experienced in Agile development processes. Experience with machine learning. 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. Learn More &