Modelling And Simulation Jobs in California (NOW HIRING)

Date Posted:

2026-03-18

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:

Active and existing security clearance required on 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. 

Job Summary:

Raytheon is looking for an individual with a track record in Microwave RF design & production support to work with our team of experts within the Airborne Radar Electronics Design (ARED) Group. You will work with a talented team on the development of next generation Receiver / Exciter technologies & provide production support for Airborne Radars.

What You Will Do:

• A successful candidate is someone who has experience working in a fast moving, high-octane environment with prior success 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. Module and Unit level experience along with a broad understanding of Receiver / Exciters and Systems level requirements is highly desirable.
• The candidate will be responsible for design and trades 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.
• The successful candidate must be capable of progressing from a design & development role to support production and lead the Production support role as a 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 individual should be self-motivated, possess a pro-active approach to problem solving, and be prepared to work with a focused team with an innovative mindset. The candidate must have a drive to learn and push the boundaries of technology.

Qualifications You Must Have:

• Typically requires a degree in Electrical Engineering or related Science,Technology, Engineering or Mathematics (STEM)
• A minimum of 5 years of prior relevant experience in Microwave RF circuits
• Experience in the design, analysis, development, bread‐boarding, troubleshooting, and testing of Microwave RF circuits
• Experience in software tools including: Keysight ADS, National Instruments AWR Microwave Office, Sonnet EM, Ansys HFSS, AutoCAD or comparable
• Experience in lab equipment including Special Test Equipment, Network Analyzers, Spectrum Analyzers, Signal Generators, and Power Meters
• An active & transferable US security clearance. US citizenship is required as only US citizens are eligible for a security clearance.

Qualifications We Prefer:

• Experience in system’s level software tools including Keysight Genesys or SystemVue
• Experience working with Matlab, ADS, and HFSS, Mentor DxDesigner and eXpedition or similar schematic/layout tools experience

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, 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.

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