Senior RF & Microwave Engineer

RTX (Raytheon); El Segundo (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) matching

Flexible schedules

Paid time off + holidays

Job summary

RTX in El Segundo, CA is seeking a Senior RF & Microwave Engineer to join our Airborne Radar Electronics Hardware Engineering organization onsite. You will help develop advanced Transmit/Receive modules and AESA antenna subsystems, supporting RF/microwave sub‑components from design through testing.

The role requires a BS in a STEM field and at least 5 years of RF engineering experience, with hands-on experience in Keysight ADS, MATLAB Simulink, CST or HFSS, and the ability to obtain a DoD Secret

Qualifications

• Bachelor’s degree in a STEM field required.
• Minimum 5 years of RF/microwave, T/R module or antenna experience.
• Experience with Keysight ADS or MATLAB Simulink.
• Experience with RF modeling tools CST or Ansys HFSS.
• U.S. citizenship and ability to obtain DoD Secret clearance within ~1 year.

Responsibilities

• Support the development of state-of-the-art Transmit/Receive modules and antenna subsystems.
• Perform analysis, verification, troubleshooting, and testing of RF/microwave sub-components used in phased array antennas.
• Present technical content to peers, leadership, and customers, and contribute to technical strategy and path-forward planning.

Skills

RF/Microwave design

Transmit/Receive modules

Team presentation

Education

Bachelor of Science in Electrical Engineering or STEM

Tools

Keysight ADS

MATLAB Simulink

CST

Ansys HFSS

Job description

Date Posted: 2026-10-19

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: 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 a Senior RF & Microwave Engineer within our Airborne Radar Electronics Hardware Engineering organization. This is an on‑site position located in El Segundo, California.

What You Will Do

• Support the development of state‑of‑the‑art Transmit/Receive (T/R) Modules and antenna subsystems.
• Perform analysis, verification, troubleshooting, and testing of RF/microwave sub‑components used in phased array antennas, including Active Electronically Scanned Arrays (AESAs).
• The position requires strong experience with microwave measurements, verification techniques, and familiarity with RF simulation tools and test equipment.
• The ideal candidate is comfortable presenting technical content to peers, program leadership, and customers, and contributing to technical strategy and path‑forward planning.

Qualifications You Must Have

• Typically requires a Bachelor of Science degree in a STEM field (Science, Technology, Engineering, Mathematics).
• A minimum of 5 years of experience simulating, testing, integrating, verifying, and/or validating RF/Microwave, T/R module, or antenna products
• Experience with Keysight ADS or MATLAB Simulink
• Experience with RF modeling tools such as CST or Ansys HFSS
• U.S. Citizenship required; must be able to obtain a DoD Secret clearance within one year of start date

Qualifications We Prefer

• Current DoD Secret or Top Secret Clearance
• M.S. or Ph.D. in Electrical Engineering with a concentration in RF/Microwave
• Design experience with one or more of the following: phased array antennas/AESAs, modules, radiators, beam formers, power splitters, feed networks, couplers, filters, circulators, RF assemblies
• Experience with microwave test equipment and calibration techniques, including network analyzers
• Experience with antenna near‑field or far‑field range testing
• Experience performing root cause and corrective action (RCCA) investigations
• Experience with requirement generation and verification processes
• Hardware experience at microwave and millimeter‑wave frequencies

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.

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 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,