Principal Software Engineer -Algorithms Software

Date Posted:

2026-04-15

Country:

United States of America

Location:

US-TX-PLANO-465 ~ 465 Independence Pkwy ~ INDEPENDENCE

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 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.

The Software organization develops software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems.  Our precision software and firmware integrate operating systems, device drivers, networking, and control software to bring together sensor, guidance, and flight control processing features to complete the mission.  The Software org is made up of several Centers located across the country, responsible for all aspects of the software development lifecycle.  Our 4000+ software engineers design, develop, and build innovative solutions for our customers.  Join our fast-paced agile teams on the leading edge of technology. 

As a Principal Algorithms Software Engineer, your role will encompass a wide range of responsibilities – from implementing system-level architecture updates to optimizing low-level code to maximize performance efficiency. This position is for a Software Engineer who has professional experience leading teams through the development and implementation of algorithm software for both large-scale HPC environments and highly optimized and performant real-time applications.

What You Will Do

• Lead a cross-discipline team to define, refine, and improve product concept, implementation, testability, and guaranteed, measurable quality.

• Optimize software for performance, including parallel processing and leveraging GPUs and other processing accelerators.

• Utilize expertise in mathematics and physics to achieve optimal performance.

• Evolve algorithms originating in Python and MATLAB into optimized C, C++, and CUDA code.

• Model and test new algorithms in high-performance computing (HPC) environments.

• Architect, design, implement, test, and debug integrated real-time software within heterogenous systems.

• Contribute to proposals as well as preliminary and critical design reviews.

• Opportunity to travel for customer collaboration.

• This job is onsite in Plano, TX; applicants must be in the area or willing to relocate to it.

Qualifications You Must Have

• Typically requires a Bachelor’s degree in Computer Science, Engineering or other STEM related field and a minimum of 8 years of relevant experience.

• Experience in developing, testing, and integrating real-time software applications written in C, C++ or closely related software languages.

• Development experience on Linux-based systems.

• Experience leading teams focused on product development utilizing the Scrum techniques of the Agile software development process, including prior Build Manager and/or Product Owner roles

• 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

• Extensive background in mathematics and signal processing concepts.

• Ability to quickly understand and navigate complex systems and established code bases.

• Experience working with massively parallel code streams.

• Experience with optimized CUDA programming for Nvidia accelerators.

• Prior work in HPC environments.

• Experience with MATLAB, Python, and other analysis tools.

• Active and transferable U.S. government issued Top Secret security clearance.

Learn More & Apply Now

• Please consider the following role type definition as you apply for this role:

  • Onsite: Employees who are wor