RF Systems Engineer II (Onsite)

Date Posted: 2026-10-14 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 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 Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. Join the Advanced Products & Solutions (APS) Mission Area within the Systems Engineering Center at Raytheon, where we design and develop advanced radar and early-warning sensor systems for the warfighter. We are seeking Radar Systems Engineers who thrive in a fast-paced environment, enjoy solving complex technical problems, and are eager to support innovative sensor and radar programs. What You Will Do You will work alongside experienced engineers to define system architecture, develop and verify system requirements, perform analysis and modeling, and support integration, testing, and flight activities across the full product lifecycle. Support development, analysis, documentation, and verification of system requirements using DOORS. Generate system CONOPS and system architectures. Assist with radar mode requirement development and system performance assessments. Conduct modeling, simulation, and data analysis using tools such as MATLAB, Python, and C++. Participate in hardware/software integration, troubleshooting, and hands-on laboratory testing. Support verification, validation, flight test, production, and post-deployment activities. Perform trade studies, functional/physical analyses, and MBSE-based system design. Prepare and present technical reports, findings, and briefings to internal and external stakeholders. Prepare and present technical reports, findings, and briefings to internal and external stakeholders. Qualifications You Must Have: Master's degree in Science, Technology, Engineering or Mathematics (STEM) obtained by start date Experience with RF fundamentals: link budget analysis, modulation schemes, noise figure, gain, bandwidth, filtering, or wave propagation Experience with RF test equipment (spectrum analyzers, VNAs, signal generators) through coursework, internships, or lab work Experience using MATLAB for data analysis Experience may be obtained through job experience, research, coursework, or projects Qualifications We Prefer: Internship or project experience related to RF, wireless, radar, SDR, or satellite communication Knowledge of systems engineering architecture and design, integration and test, and verification and validation approaches Experience with programming using C++ or scripting/automation tools like Python or LabVIEW Hands-on experience with antennas or PCB layout for RF circuits Exposure to digital signal processing concepts 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 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 the ability to obtain 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 75,800 USD - 144,200 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms