RTX

Aerospace and Defense

PrincipalSoftwareEngineer

$175–250k ~AI est. McKinney, Texas, United States FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Principal Software Engineer at RTX. Skills: Software Development, DevSecOps, Agile Methods. Develop robust and scalable software in C++. Run Linux operating systems”

Industry & Context.

Aerospace and Defense
Problems you'll solve

Problem solvers

Eligibility Requirements

Active U. S. government issued security clearance, U. S. citizenship required

What They're Looking For.

Must Have

Bachelors in Science, Technology, Engineering, Mathematics, or STEM degree and a minimum of 8 years of relevant experience OR an Advanced Degree and 5 years of relevant experience, C++ application code development and Linux/Unix experience, DevSecOps tooling and culture experience, Software development in a team environment experience, Active and transferable Secret U. S. government issued security clearance, U. S. citizenship

Nice to Have

Radar domain knowledge, Embedded software development knowledge, Modeling and Simulation knowledge, ASIC and/or Firmware development experience, Real-time, multi-threaded software development experience, Agile development methods experience, Scrum Master or Product Owner experience, Breadth of software tools familiarity, Problem-solving ability, Excellent oral and written communication skills

What You'll Do.

Develop robust and scalable software in C++

Run Linux operating systems

Lead by example within a team

Oversee work of others

Review work of others

Develop DevSecOps tooling

Maintain DevSecOps tooling

Participate on cross-functional team

Perform analysis of radar data

Plan work of a small team

Provide feedback to team members

Support software integration

Lead software integration

Support verification activities

Lead verification activities

Participate in brainstorming sessions

Contribute ideas to technology

Contribute ideas to algorithms

Contribute ideas to products

Contribute ideas to teaming

Work in a team environment

Understand end-user requirements

Translate requirements into technical solution

How You'll Work.

Team & Collaboration

Cross-functional team; Product teams; Design teams

Communication Scope

Oral communication; Written communication

Process & Methodology

Agile development methods, Scrum, Automated testing, Continuous integration

Full Job Description

**Date Posted:** 2026-06-05 **Country:** United States of America **Location:** US-TX-MCKINNEY-513WH ~ 2501 W University Dr ~ WING H BLDG **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:** Secret - Current **Security Clearance Status:** Active and existing security clearance required on 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. As part of the Software Engineering Space and Air Center team, you will be an integral part of helping Raytheon further our vision to be the global leader in core and next-generation defense and security solutions. By any measure, Raytheon is an exciting and rewarding place to work. We pride ourselves on developing mission-driven, world-class talent. The result is a workforce that takes pride in the company and consistently delivers superior solutions. Raytheon has an opportunity for a **Principal Software Engineer** to join our **Surveillance Sensor Radio Frequency (RF) Solutions Engineering Team** in the **Dallas****area

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