Senior Principal Software Engineer

Date Posted:

Country:
United States of America

Location:

US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2

Position Role Type:
Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1

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.

This is your opportunity to join the Receiver Exciter and Processing Architecture Department as a Senior Principle Software Engineer. The team’s primary goal is to design, architect, and implement signal processing algorithms on a variety of high-performance processing platforms – including CPUs, FPGAs and GPUs, on COTS and semi-custom hardware platforms, for next generation radar systems deployed on land and sea.

This is your opportunity to join the Receiver, Exciter & Processing Architecture (REPA) Department as a Senior Principal Software Engineer. The team’s primary goal is to design, architect, and implement signal processing algorithms on a variety of high-performance processing platforms – including CPUs, FPGAs and GPUs, on COTS and semi-custom hardware platforms, for next generation radar systems deployed on land and sea.

• Investigate and implement on-prem LLM and agentic harness in a sandboxed environment
• Investigate moving the following activities to an AI agentic workflow:
• Develop real-time C++ and/or Cuda implementations of signal processing algorithms or control functions for sensor systems running on a distributed Linux backend.
• Write unit tests and integration tests to satisfy requirements.
• Analyze numerical correctness and runtime latency.
• Maintain high code quality by supporting code reviews and continuous integration.
• This 1st shift role will be 100% onsite and based in Marlborough, MA.

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
• C++ software development experience in Linux environments.
• Experience deploying on-prem LLM and agentic AI.
• 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.

• Experience developing GPU software - particularly with Nvidia Cuda - is highly desirable.
• Real-time software development experience.
• Experience with developer tools (Git, Cmake, Google test, gdb, profiler, Jenkins, Jira).
• Experience with scripting (Python, shell, bash).
• Experience with Agile methodologies (Scrum, Kanban).
• Radar or DSP knowledge.
• Active / Existing Secret. U.S. Security Clearance.

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At…