RF Systems Engineer II (Onsite)

RTX; El Segundo (CA); On-site; USD 76,000 - 144,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) match

Flexible schedules

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee assistance program

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

Raytheon Technologies Corporation is seeking Radar Systems Engineers to join the Advanced Products & Solutions (APS) Mission Area. You will help define system architecture, verify requirements, and perform modeling and analysis across the product lifecycle.

The role requires a Master's in STEM and RF fundamentals experience, plus MATLAB and C++/Python skills. Onsite in El Segundo with competitive benefits and security clearances.

Qualifications

• Master's degree in STEM obtained by start date.
• Experience with RF fundamentals (link budget, noise figure, bandwidth).
• Experience with RF test equipment (spectrum analyzers, VNAs, signal generators).
• Proficiency in MATLAB for data analysis.

Responsibilities

• Define system architecture and develop and verify requirements.
• Perform modeling and data analysis using MATLAB and Python.
• Support integration, testing, and flight activities.
• Prepare technical reports and briefings for stakeholders.
• Conduct modeling, simulation, and data analysis using MATLAB, Python, and C++.
• Participate in hardware/software integration, troubleshooting, and lab testing.
• Support verification, validation, flight test, production, and post‑deployment activities.
• Prepare and present technical reports and briefings to internal and external stakeholders.

Skills

MATLAB

C++

Python

RF fundamentals

Scripting

Education

Master's degree in STEM

Tools

DOORS

Spectrum Analyzers

VNAs

Signal generators

Job description

Date Posted: 2026-10-14 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. Join the Advanced Products & Solutions (APS) Mission Area within the Systems Engineering Center at Raytheon, where we design and develop advanced radar and early-warning sensor systems for the warfighter. 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.

What You Will Do

• You will work alongside experienced engineers to define system architecture, develop and verify system requirements, perform analysis and modeling, and support integration, testing, and flight activities across the full product lifecycle.
• Support development, analysis, documentation, and verification of system requirements using DOORS.
• Generate system CONOPS and system architectures.
• Assist with radar mode requirement development and system performance assessments.
• Conduct modeling, simulation, and data analysis using tools such as MATLAB, Python, and C++.
• 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.
• Prepare and present technical reports, findings, and briefings to internal and external stakeholders.

Qualifications You Must Have

• Master's degree in Science, Technology, Engineering or Mathematics (STEM) obtained by start date
• Experience with RF fundamentals: link budget analysis, modulation schemes, noise figure, gain, bandwidth, filtering, or wave propagation
• Experience with RF test equipment (spectrum analyzers, VNAs, signal generators) through coursework, internships, or lab work
• Experience using MATLAB for data analysis
• Experience may be obtained through job experience, research, coursework, or projects

Qualifications We Prefer

• Internship or project experience related to RF, wireless, radar, SDR, or satellite communication
• Knowledge of systems engineering architecture and design, integration and test, and verification and validation approaches
• Experience with programming using C++ or scripting/automation tools like Python or LabVIEW
• Hands‑on experience with antennas or PCB layout for RF circuits
• Exposure to digital signal processing concepts

What We Offer

Relocation eligible

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.

• 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
• Holidays

The salary range for this role is 75,800 USD - 144,200 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.

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.

Please consider the following role type definition as you apply for this role.

More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

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.

DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.

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 as 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.