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 tools such as DOORS/DNG, Rhapsody, Cameo, or similar
• System integration and verification tasks in an integration lab, test facility, or field environment
• Experience leading or coordinating test events
• Conduct Monte Carlo simulations for system modeling or analysis
• Perform root‑cause analysis, implementing corrective actions, and documenting preventative actions
• Agile‑related systems engineering activities (e.g., Scrum ceremonies, Agile tools)
• Experience developing test procedures, writing test reports, and troubleshooting complex systems

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, and Innovation
  Relocation Eligible – Relocation assistance is available

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.
• McKinney, Texas: Raytheon North Texas Location

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 86,800 USD - 165,200 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.

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