Jobs and Careers
RT

Senior Software Engineer - Algorithms Software (Onsite)

RTX
United Statesfull_timeVerifiedPosted 18 May 2026
💰 $165,200/yr($86,800/yr$165,200/yr)

About the role

Date Posted:

2026-05-18

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 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.

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 an Algorithms Senior 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 in 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

  • Work alongside scientists (physicists, mathematicians, signal processing experts, and more) to understand algorithm goals and limitations.

  • 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.

  • Scale processing implementations to run extensive tests and simulations using hundreds to thousands of processing cores.

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

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

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

  • Opportunity to travel for customer collaboration.

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

  • While in the process of obtaining DoD Top Secret clearance, you will utilize your Secret clearance to support meaningful unclassified and collateral tasks.

  • 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 5 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.

  • Active and transferable Secret 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.

<

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

RTX

View company profile →