2026 Raytheon Full Time-Software Engineer I – EOIR Advanced Products and Solutions (Onsite)

Us-Tx-Mckinney-513wc ~ 2501 W University Dr ~ Wing C Bldgmid

Software EngineerSoftware Engineering

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Quick Summary

Key Responsibilities

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,

Requirements Summary

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S.

Technical Tools

Software EngineerSoftware Engineering

2026-09-14

United States of America

US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDG

Onsite

Requirements

~1 min read

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

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM).
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.

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 delivery with Test-Driven Development approach.
Ability to manage multiple priorities.
Effective verbal and written communication skills.
Ability to fly on flight test aircraft in support of system platform testing.

DoD Clearance: Secret

Active and existing security clearance required after day 1

Job Description

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

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.

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.

Responsibilities

~1 min read

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Deliverables include but not limited to:
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  Design, develop, and debug software in C++ for real-time systems running on Linux platforms.
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  Collaborate with cross-functional teams, including systems engineering, electrical engineering and test, to ensure seamless integration of software.
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  Implement and optimize software algorithms to meet performance, reliability, and scalability requirements of mission-critical applications.
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  Perform integration testing hardware, ensuring seamless operation and compliance with system requirements.
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Write and maintain software documentation, including design specifications, technical reports, and user manuals.
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Work onsite at McKinney, TX
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Support Formal Qualification Test events
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Conduct unit testing and software integration testing to verify functionality and compliance with system requirements.
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Troubleshoot and resolve software issues, ensuring timely delivery of high-quality solutions.
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Adhere to industry best practices, coding standards, and security guidelines specific to aerospace and defense applications.
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Participate in code reviews, providing constructive feedback to peers and ensuring adherence to program standards.
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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.

Click on this link to read the Policy and Terms

What We Offer

~1 min read

✓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

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.