Radar Senior Systems Engineer (On-Site)

Date Posted: 2026-09-17 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ 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: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.  Join the Advanced Products & Solutions (APS) Mission Area within the Systems Engineering Center, where we design and develop advanced radar and early-warning sensor systems that support the military around the world. 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. You will work alongside experienced engineers to define system architecture, develop requirements, perform analysis and modeling, and support integration, testing, and flight activities across the full product lifecycle. This role is on site in El Segundo, California. What You Will Do Contribute to all phases of the systems engineering lifecycle, including trade studies, development of CONOPS, system architecture, requirements definition and allocation, traceability, integration, verification, and qualification Support development, analysis, documentation, and verification of system requirements using DOORS Radar mode algorithm development and system performance assessments. Conduct modeling, simulation, and data analysis using MATLAB, Python, and C++ Perform daily tasks in a classified and controlled lab environment 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 Travel up to 10% Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) discipline (preferably Electrical Engineering, Aerospace Engineering, Computer Engineering, Computer Science, Mechanical Engineering, Applied Mathematics, Physics) and a minimum of 5 years of prior relevant experience in Systems Engineering with radar algorithm design, requirements development, software/hardware integration, data analysis using Matlab, and configuration management 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 Qualifications We Prefer  Active DoD Secret clearance Advanced degree in Science, Technology, Engineering or Mathematics (STEM) discipline (preferably Electrical Engineering, Aerospace Engineering, Computer Engineering, Computer Science, Mechanical Engineering, Applied Mathematics, Physics) Knowledge of radar fundamentals. Programming experience in Python and MATLAB Experience troubleshooting electronic or system-level issues, signal processing, control theory, statistics, information theory, and detection methods, Imaging/pattern recognition, Data filtering (Kalman, batch, optimal estimation)  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. El Segundo, CA: https://careers.rtx.com/global/en/raytheon-el-segundo-ca-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 95,500 USD - 181,700 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 guarante