Senior Systems Engineer – EO/IR

Date Posted:

2026-06-29

Country:

United States of America

Location:

US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D 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

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. 

Raytheon’s Systems Engineering and Test Capabilities (SE&TC) organization is advancing the next generation of optical systems, and we’re looking for a Senior Systems Engineer (P3) to join our team. This role is an opportunity to work hands‑on with innovative electro‑optical (EO) technologies while contributing to complex system development efforts.

As an Electro‑Optical Test Engineer, you will design, develop, and execute test plans for EO systems and components, focusing on evaluating performance, quality, and reliability in both laboratory and production environments. You will analyze test data, troubleshoot technical issues, prepare clear reports, and collaborate closely with design, manufacturing, and systems engineering teams to ensure products meet all requirements and standards.

This position plays a key role in integration, testing, and issue resolution across multidisciplinary teams. You will work both independently and collaboratively, applying your technical expertise to make informed decisions that drive successful project outcomes. The role offers exposure to multiple aspects of system design and operation, providing a broad, system‑level perspective and the opportunity to help ensure all components operate together seamlessly.  This is an onsite position at Raytheon in McKinney, Texas.

What You Will Do

• Work effectively in a team environment and interface with customers, program management, and cross‑functional partners
• Create and decompose requirements, define system interfaces, and support development of validation and verification methods
• Support system performance analysis, integration, and testing activities
• Conduct testing of optical, electrical, and integrated systems; collect and analyze test data to support performance optimization
• Identify and resolve issues during testing, support design updates, troubleshooting, and calibration for ongoing and specialized programs
• Communicate technical information to program management, functional teams, vendors, and customers
• Perform integration, verification, and validation testing and prepare associated reports to confirm compliance with specifications and requirements.
• Document test results and prepare comprehensive test reports for stakeholders
• Analyze system behavior and define use cases
• Provide engineering support for execution of assigned test program activities, including test processes, baseline definition, and test architecture development
•  Participate in technical reviews and technical interchange meetings
• Conduct system performance evaluations and detailed analysis to identify opportunities for functional improvements and system enhancements
• Present analytical and technical information in formal settings
• The role will require domestic and international travel (up to 25%)

Qualifications You Must Have

• Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience with systems engineering experience, to include work with ConOps development, requirements definition and management, functional analysis, interface definition/control, and system software, hardware, requirements, or testing
• The ability to obtain and maintain a U.S. government issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
   

Qualifications We Prefer

• Experience supporting systems engineering on a government contract
• MATLAB, Python, or other programming languages
• Digital engineering