Principal Engineer, E&E Engrg

Date Posted: 2026-10-19 Country: United States of America Location: US-TX-MCKINNEY-513WM ~ 2501 W University Dr ~ WING M 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. We are seeking an experienced Radar Cross Section (RCS) Engineer to support the testing, measurement, analysis, and signature‑reduction efforts for advanced aerospace and defense systems. The ideal candidate will have a strong background in RCS chamber operations, data processing, scattering analysis, and a solid understanding of radar system fundamentals. This role requires hands-on technical capability, strong analytical skills, and the ability to collaborate within a multidisciplinary team in a secure environment. This is an onsite role, located in McKinney, Texas. What You Will Do: RCS Test Execution and Chamber Configuration Configure the RCS chamber, measurement system, and associated data acquisition tools to support program requirements. Install and/or prepare test articles to ensure measurement integrity and eliminate unintended scattering sources. Configure radar systems to collect requested data in accordance with design engineer specifications. Prepare and optimize the chamber environment to minimize unwanted scattering effects. Perform system calibration using standard calibration targets such as squat cylinders. Data Processing and Analysis Utilize processing codes and tools to extract critical results including PCUMs and multiple plot formats. Validate collected data to confirm accuracy, repeatability, and reliability. Analyze ISAR images and other data products to identify and interpret scattering mechanisms and source locations. Radar System Knowledge and Specialized Experience Demonstrate solid understanding of pulsed IF radar system operation and associated signal characteristics. Apply knowledge of scattering physics and materials/treatments used to reduce target signature. System Troubleshooting and Technical Support Diagnose, isolate, and resolve measurement system anomalies or failures. Team & Security Environment Work collaboratively within a team of engineers, technicians, and program stakeholders. Operate within a classified environment, including Special Access Program Facilities (SAPF). Interface with external partners, vendors, and government customers as required. Utilize MS Office tools for reporting, documentation, and communication. Qualifications You Must Have: Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree or a minimum of 8 years’ prior relevant experience, to include any combination of the following: Experience with chamber setup, radar configuration, and RCS data collection. Experience with scattering phenomena and radar measurement systems. Experience in classified environments Experience with processing software such as Knowbell, MATLAB, and SABER. Experience operating or maintaining robotic positioning systems. Experience with Resonant Adaptable Zonal Radar (RAZR) systems. Qualifications We Prefer: Master’s degree in Engineering or related field. Knowledge of signature-reduction materials and application techniques. Experience with robotic systems used in RCS measurement environments. Familiarity with RAZR systems or advanced radar test architectures. Ability to obtain and maintain a Top Secret clearance with Special Access Program (SAP) eligibility. Experience in defense, aerospace, or government-regulated environments. 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. This position offers relocation based on candidate eligibility. Learn More & Apply Now! 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 US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 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 107,500 USD - 204,500 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms