Senior Antenna/Microwave Engineer

Prattwhitney; El Segundo (CA); On-site; USD 95,500 - 181,700; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Assistance Program

Job summary

RTX in El Segundo, CA, seeks a highly skilled RF/Microwave engineer to support development of Transmit/Receive modules and AESA subsystems. The role requires 5+ years of hands-on experience, strong microwave measurement skills, and proficiency with Keysight ADS, MATLAB Simulink, CST, or HFSS. U.S.

citizenship and ability to obtain DoD Secret clearance within a year are required. Onsite role offering competitive benefits, salary range 95,500–181,700 USD, and opportunities to influence technical

Qualifications

• Bachelor degree in STEM field; 5+ years RF/Microwave experience.
• Experience with RF/Microwave, T/R module, or antenna products.
• Proficiency with Keysight ADS or MATLAB Simulink.
• Experience with RF modeling tools CST or Ansys HFSS.

Responsibilities

• Support development of Transmit/Receive modules and antenna subsystems.
• Perform analysis, verification, troubleshooting, and testing of RF/microwave sub-components.
• Use microwave measurements, verification techniques, and RF simulation tools/test equipment.
• Present technical content to peers, program leadership, and customers, and contribute to technical strategy.

Skills

RF/Microwave

Antenna/Modules

RF measurement tools

Technical presentation

Education

Bachelor of Science in STEM

MS/PhD in Electrical Engineering (preferred)

Tools

Keysight ADS

MATLAB Simulink

CST

Ansys HFSS

Job description

Date Posted: 2026-07-28 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.

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).
• Use strong experience with microwave measurements, verification techniques, and familiarity with RF simulation tools and test equipment.
• Present technical content to peers, program leadership, and customers, and contribute 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.

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.
• 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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.