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Principal RF Engineer

June 29, 2026

Date Posted:2026-06-15Country:United States of AmericaLocation:US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01Position Role Type:HybridU.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 clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required on day 1At 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 more than 100 years of experience and renowned engineering expertise to meet today’s mission needs while staying ahead of tomorrow’s challenges. Our team tackles meaningful, complex problems to create a safer, more secure world.Job Summary:We are seeking a Principal RF Engineer within our Airborne Radar Electronics Design Hardware Engineering directorate. This role will be an on-site position located in El Segundo, California.You will work with a talented team on the development of next generation Receiver / Exciter technologies & provide production support for Airborne Radars. A successful candidate is someone who has experience working in a fast moving, high-octane environment with prior success and leadership in detailed design, analysis, test, trade studies, modelling /simulation of Microwave RF circuits, Radio Frequency Assemblies (RFAs), Microwave Integrated Circuits (MICs), Integrated Microwave Assemblies (IMAs), Circuit Card Assemblies (CCAs), RF Special Test Equipment (STE) & Production support. The candidate must be experienced using lab equipment, modelling tools/SW and CAD tools.Design and test experience in high frequency circuits ranging from baseband to millimeter wave is required. In-depth Module and Unit level experience along with a broad understanding of Receiver / Exciters and Systems level requirements is highly desirable.What You Will Do: <ul><li>The candidate will lead design and trade of various component selections including amplifiers, mixers, switches, resistors, diodes, as well as filters. They will design and conduct simulations in linear and EM simulators, develop schematics and layouts, develop Special Test equipment (including validation & certification), conduct testing and integration, and see the product from development through production & post-production technical support phases.</li><li>The successful candidate must be capable of taking RF hardware designs from development through support of production and taking ownership as an REA (Responsible Engineering Authority). In this role, the successful candidate will coordinate with test & production engineers, be responsible for production schedules/Line-of-Balance needs, resolve production issues & report status of production programs to higher management. The successful candidate will create and present technical data packages for program management during regularly scheduled meetings as well as various design reviews. They are also expected to create and manage documentation for hardware they design or work on.</li><li>The individual should be self-motivated, possess a proactive approach to problem solving, and be prepared to work with a focused team with an innovative mindset. The individual must have experience leading multi-disciplined engineers with diverse experience levels in design efforts and engineering investigations of production issues. The candidate must have a drive to learn and push the boundaries of technology while also mentoring less experienced engineers and sharing knowledge to strengthen the team.</li></ul>Qualifications You Must Have: <ul><li>Typically requires: A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience</li><li>Minimum of 8 years of technical experience related to Microwave RF circuits</li><li>Experience in design, analysis, development, bread‐boarding, troubleshooting, and testing of Microwave RF circuits</li><li>Experience in software tools including: Keysight ADS, National Instruments AWR Microwave Office, Sonnet EM, Ansys HFSS, AutoCAD or comparable</li><li>Experience in lab equipment including Special Test Equipment, Network Analyzers, Spectrum Analyzers, Signal Generators, and Power Meters</li><li>An active & transferable US security clearance. US citizenship is required as only US citizens are eligible for a security clearance.</li></ul>Qualifications We Prefer:<ul><li>Experience in system’s level software tools including Keysight Genesys or SystemVue</li><li>Experience working with Matlab, ADS, and HFSS, Mentor DxDesigner and eXpedition or similar schematic/layout tools experience</li><li>10+ years of technical experience related to Microwave RF circuits </li><li>Partial telecommuting is allowed. Expected to be on site or at designated suppliers regularly for hardware testing, classified discussions, and mentorship with senior and junior engineers.</li></ul>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 118,300 USD - 224,900 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 <a target="_blank" href="http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice">link</a> to read the Policy and Terms

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...

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