Principal Software Engineer

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. We encourage curious, creative problem solvers to join our team of bright, dedicated software craftspeople in designing and implementing highly innovative systems. You will learn advanced software engineering practices and apply new technologies to develop next generation capabilities that help keep our country safe.

As a Principal Software Engineer, you are ready to perform as a key contributor, or seasoned leader, within a major software development program.  You may also oversee, plan, or review the work of others.

What You Will Do

• Develop robust and scalable software in C++ running Linux operating systems on a variety of computing platforms using Agile development methods.

• Leading by example within a team of 3-8 people.

• Oversee, plan, or review the work of others.

• Work autonomously.

• Develop or maintain DevSecOps tooling such as build pipelines, test automation, deployment processes, and configuration management.

• Participate on a cross-functional team performing analysis of radar data.

• Plan work of a small team in support of management.

• Provide feedback to other team members based up a review of their work.

• Support or lead software integration and verification activities.

• Participate in brainstorming sessions and contribute ideas to our technology, algorithms, products, and teaming.

• Work in a team environment with the product and design teams to understand end-user requirements, formulate use cases, and translate these into a pragmatic and effective technical solution.

• This job is onsite in McKinney, TX (TX190); applicants must be in the area or willing to relocate to it.

Qualifications You Must Have

• Typically requires a 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.

• Experience with C++ application code development and Linux/Unix.

• Experience with DevSecOps tooling and culture.

• Experience developing software in a team or group development environment.

• 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

Qualifications We Prefer

• Radar domain knowledge.

• Embedded software development knowledge.

• Modeling and Simulation knowledge.

• ASIC and/or Firmware development experience

• Real-time, multi-threaded software development experience.

• Experience in Agile development methods including Scrum, automated testing, and continuous integration.

• Experience leading a Scrum team as Scrum Master or Product Owner

• Familiarity with a breadth of software tools, such as git, CMake, Eclipse, Atlassian Suite, Rational Team Concert, Jenkins, Google Test, Qt, etc.

• Strong problem-solving ability.

• Excellent oral and written communication skills

What We Offer

• 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

Learn More & Apply Now!

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

  • Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

  • Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 

  • Location Information: This position is onsite at our campus in beautiful McKinney, TX. https://careers.rtx.com/global/en/raytheon-north-texas-location

• We Are RTX

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

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, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms