EOIR Advanced Products and Solutions- Software Engineer I (Onsite)
RTX (Raytheon)
- Location
- US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG
- Work model
- On-Site
- Level
- Mid
- Posted
- Sep 8, 2026
Skills
About this role
Location: US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG

 Position Role Type: Onsite

 U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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

 Security Clearance Type: DoD Clearance: Secret

 Security Clearance Status: Active and existing security clearance required after day 1 Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.
What You Will Do
The Advanced Products and Solutions (APS) business unit focuses on developing state-of-the-art Electro-Optical/Infrared (EO/IR) technologies and systems for a variety of mission-critical applications. We are at the forefront of innovation, providing advanced solutions that enhance situational awareness and operational effectiveness. We are seeking a highly motivated Software Engineer I with experience in C++ and Linux to join our team in the Advanced Products and Solutions (APS) business unit, supporting EO/IR programs. In this role, you will contribute to the design, development, testing, and integration of software solutions that power next-generation EO/IR systems for critical aerospace and defense applications. This is an entry-level role ideal for those passionate about software engineering and eager to grow their skills in a challenging and rewarding environment This position is an onsite role at our McKinney, TX facility. Deliverables include but not limited to: Design, develop, and debug software in C++ for real-time systems running on Linux platforms. Collaborate with cross-functional teams, including systems engineering, electrical engineering and test, to ensure seamless integration of software. Implement and optimize software algorithms to meet performance, reliability, and scalability requirements of mission-critical applications. Perform integration testing hardware, ensuring seamless operation and compliance with system requirements. Write and maintain software documentation, including design specifications, technical reports, and user manuals. Work onsite at McKinney, TX Support Formal Qualification Test events Conduct unit testing and software integration testing to verify functionality and compliance with system requirements. Troubleshoot and resolve software issues, ensuring timely delivery of high-quality solutions. Adhere to industry best practices, coding standards, and security guidelines specific to aerospace and defense applications. Participate in code reviews, providing constructive feedback to peers and ensuring adherence to program standards. Able to obtain and maintain a Secret U.S. security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Qualifications
You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and less than 2 years of relevant prior experience Experience in C++ programming and familiarity with object-oriented design principles. Experience working with Linux operating systems, including shell scripting and command-line tools. Experience working effectively in a collaborative, team-oriented environment.
Qualifications
We Prefer: Experience with hardware-software integration and debugging. Understanding of pipeline implementation and utilization, including Static Code Analysis, Automated Build, and Automated Test techniques using continuous integration/continuous