Senior Software Engineer - RDPL - Onsite

At RTX, the world's 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.

We are seeking a motivated Senior Software Engineer to join our team. In this role, you will have the opportunity to work on cutting‑edge technology solutions, grow your expertise in the radar domain, and engage in potential travel to support radar site operations. This position offers a dynamic and collaborative environment where you can make a meaningful impact. This role will be 100% on‑site in Fullerton, California.

• Collaborate with Scrum teams to design, develop, and maintain embedded C++ DSP software for tactical radar systems across high‑performance CPU and GPU platforms.
• Translate complex radar system requirements and mathematical models into robust, real‑time software within embedded Linux environments.
• Execute Software Integration Testing (SWIT), troubleshoot hard‑to‑reproduce defects using Jenkins logs and debugging tools, and drive root‑cause analysis.
• Develop automation scripts (Python, Bash, or Perl) for testing pipelines, log analysis, and system integration tasks.
• Mentor junior engineers and guide technical planning, code reviews, and architectural decisions.

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience.
• 5+ years of software engineering experience, focused on real‑time Digital Signal Processing (DSP) for radar or similar RF domains.
• Proficiency in C++ and Object‑Oriented Design (OOD).
• Deep understanding of radar signal processing theory, math, and numerical libraries (e.g., I/Q data, filtering, FFTs, MKL, CUDA).
• Experience with Linux development environments, Dev Sec Ops  tools (Jenkins, Jira, Git), and scripting (Python, Perl, or Bash) for automation.
• Self‑motivated problem solver with proven success debugging complex software issues.
• The ability to obtain and maintain a U.S. government issued Secret security clearance is required.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Technical leadership experience with software development teams.
• Advanced knowledge of data structures, algorithms, and system software design.
• Experience with MATLAB for data analysis and test run visualization.
• Familiarity with container technologies (Docker, Kubernetes, Podman) for build and test environments.
• Demonstrated desire to explore new technologies and grow into a Software Architect role.

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Relocation Offered Based On Eligibility.

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,…