RF Systems Engineer I (Onsite)

RTX (Raytheon); El Segundo (CA); On-site; USD 63,000 - 120,000; Full time

Benefits offered by this job

Relocation eligible

Job summary

RTX (Raytheon) in El Segundo, CA is seeking an engineering professional to work with experienced engineers defining system architecture, developing and verifying requirements, and supporting integration and flight activities across the full product lifecycle.

You will use MATLAB, Python, and C++ to perform modeling, analysis, and data evaluation, while applying RF fundamentals and testing with spectrum analyzers and VNAs. A DoD security clearance is required for day-1 eligibility.

Qualifications

• Bachelor'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

Responsibilities

• Define system architecture and develop/verify system requirements across the full product lifecycle.
• Support integration, testing, and flight activities.
• 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 MATLAB, Python, and C++.
• Participate in hardware/software integration, troubleshooting, and hands-on lab testing.
• Prepare and present technical reports and briefs to internal and external stakeholders.

Skills

RF fundamentals

MATLAB for data analysis

Education

Bachelor's degree in STEM

Tools

MATLAB

Python

LabVIEW

Spectrum analyzers

Vector Network Analyzer

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.

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:

• Bachelor'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:

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.

• Relocation eligible

This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. 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

Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

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 62,900 USD - 119,700 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.