Senior Systems Engineer - EO/IR

Location: 2501 W University Dr, McKinney, Texas, United States Date Posted: 2026-06-29 At Raytheon, our foundation is rooted in the values of Trust, Respect, Accountability, Collaboration, and Innovation. We bring more than 100 years of experience and renowned engineering expertise to tackle today’s missions and stay ahead of tomorrow’s threats. As part of the Systems Engineering and Test Capabilities (SE&TC) organization, we are advancing the next generation of optical systems and seek a Senior Systems Engineer (P3) to join our team. Security Clearance: 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. Responsibilities 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, troubleshoot, and calibrate 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 requires domestic and international travel up to 25%. Qualifications Must Have A bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of relevant systems engineering experience, including work with ConOps development, requirements definition and management, functional analysis, interface definition/control, and system software, hardware, or testing. The ability to obtain and maintain a U.S. government‑issued Secret security clearance is required; U.S. citizenship is required. Preferred Qualifications Experience supporting systems engineering on a government contract. Proficiency in MATLAB, Python, or other programming languages. Experience with digital engineering tools such as DOORS/DNG, Rhapsody, Cameo, or similar. Experience in system integration and verification tasks in an integration lab, test facility, or field environment. Experience leading or coordinating test events. Conducting Monte Carlo simulations for system modeling or analysis. Performing 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. Benefits Relocation assistance is available. Compensation Salary range: 86,800 USD – 165,200 USD, based on experience and qualifications. Eligible for health, dental, vision, life insurance, short‑term and 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. Additional benefits depend on the business unit and collective‑bargaining agreements. Eligible for annual short‑term and/or long‑term incentive compensation programs, subject to performance and company goals. Role is U.S.-based; pay structure and benefits apply to U.S. territories as appropriate. Application Window Application window is approximately 40 days from posting date, subject to change. Commitment to a Secure Hiring Process 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 the role designation. EEO Statement 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 Veteran Era Veterans’ Readjustment Assistance Act. #J-18808-Ljbffr Raytheon