2026 Full-time - Embedded Software Engineer 1 - Onsite (CA)

Software Integration Engineer

Assist in software integration and testing under the guidance of senior engineers.

Conduct basic software integration, system testing, and debugging in lab environments.

Execute test plans, procedures, and scripts to validate software functionality and performance.

Participate in Agile software development practices and contribute to smaller tasks.

Analyze and resolve software/hardware interface issues during software integration.

Document integration processes, test results, and troubleshooting steps to ensure knowledge transfer and system traceability.

Learn and apply programming and scripting skills in a controlled setting.

Acquire domain specific knowledge in areas such as signal processing, resource management, hardware/software integration procedures, or electro-optical infrared systems.

Qualifications you must have:

Bachelor's degree in Software Engineering, Computer Science, Electrical Engineering, or a related field (STEM)

This position requires 12 months or less of professional experience (excluding internships).

Knowledge of high-level programming languages such as C++ or Java.

Knowledge of scripting languages such as Python, Perl, or bash.

Familiarity with Linux and the command line interface.

Familiarity with version control systems like Git or Rational Clearcase.

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.

Qualifications we prefer:

Demonstrated problem-solving skills and ability to work collaboratively in a team environment.

Experience with build systems such as Cmake

Familiarity with software debugging and troubleshooting tools (e.g. gdb, Wireshark, tcpdump).

What we offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, Innovation, and Safety.

Learn more & apply now!

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

Employees who are working in Onsite roles will work primarily onsite. This includes all production employees, as they are essential to the development of our products. This position involves direct support of manufacturing activities and requires spending significant amounts of time in and around factory areas.

Additional details:

Please upload a copy of your most recent resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.

The salary range for this role is 62,900 USD - 119,700 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.