Senior Systems Engineer (EOIR)

Location: US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG Date Posted: 2026-06-16 Country: United States of America 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) Systems Engineers are interested in developing and testing next generation of optical systems. We are seeking a highly qualified Senior Systems Engineer - P3 to join our SE&TC Systems Engineering Team. An Electro Optical Test engineer designs, develops, and executes test plans for electro-optical (EO) systems and components, focusing on evaluating performance, quality, and reliability through hands‑on testing in laboratories and production environments. Key responsibilities include analyzing test data, troubleshooting issues, creating reports, and collaborating with design and manufacturing teams to ensure products meet specifications and standards. This role includes responsibility for engineering activities such as integration, testing and troubleshooting. In addition, the responsible engineer needs to be an effective communicator, decision maker, and a strong advocate for system engineering, integration, and test. You'll be expected to collaborate across disciplines and partner to implement solutions while working autonomously with limited oversight. In this role, you'll get to know a little bit about every aspect of the system and have a direct hand in making it all work together, supporting teams of engineers engaged in integration and test efforts. This position requires technical expertise and the ability to make decisions independently to drive the success of complex projects. This is an onsite position at Raytheon in McKinney, Texas. What You Will Do Work in a team environment and directly interface with customers and management across multiple disciplines. Create and decompose requirements, define system interfaces and help determine how requirements will be validated and verified by the test team. Support system performance analysis, integration and test. Conduct tests on optical and electrical components and integrated systems, collect test data, and analyze results to optimize performance. Identify and resolve issues during testing, support system design enhancements, and provide troubleshooting and calibration for ongoing and specialized programs. Communicate with program management, functional teams, vendors, and customers. Perform integration, verification, and validation testing/reporting to ensure the system under test performs according to specifications/requirements. Document test results by creating and presenting comprehensive test reports to various stakeholders. Analyze and define how the system works by creating use cases. Provide engineering support for the execution of a portion of the program’s test program including test processes and baseline definition and test architecture design. Support and attend technical reviews and technical interchanges in support of the program. Perform system performance evaluations and in‑depth analysis to identify opportunities for new functionality and system enhancements. 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. 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. Experience presenting analytical and technical presentations. Experience with systems engineering, lifecycle, roles and functions, with specific experience in one or more of the following areas: Concept of Operations (ConOps) development, requirements definition and management, functional analysis or interface definition and control. Experience with system software, system hardware, system requirements and/or test. Qualifications We Prefer Willing to travel, both domestic and international, to support customer events, with an expected travel requirement not exceeding 25%. Experience in a rapidly paced and dynamic test environment. Experience on a government contract with experience in systems engineering. Experience with MATLAB, Python, and/or other programming languages. Experience with DOORS, Doors Next Gen (DNG), Rhapsody, Cameo, and/or other digital engineering tools. Ability to analyze and solve problems in real time. Experience working in an integration lab, test facility, or field environment supporting integration and/or verification to ensure the system under test performs according to specifications/requirements. Experience presenting technical findings, analyses, and solutions to leadership and customers. Ability to lead dynamic test events. Experience using Monte Carlo simulations to model system performance, analyze outcomes, and enhance testing strategies. Experience with identifying root causes of system failures through detailed diagnostics, implementing timely fixes to restore functionality, and developing preventative measures to avoid recurrence. Experience with Agile principles, including Agile systems engineering practices and understanding of Agile roles. Experience in developing testing procedures, reports, and troubleshooting complex systems. Good oral and written communication skills as well as good collaboration skills and the ability to work in a team environment. 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 available for this position. 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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the U.S. Department of State government website: 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. Click on this link to read the Policy and Terms. #J-18808-Ljbffr Raytheon