Senior RF Engineer

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. 

CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit www.chaosinc.com .

Role Overview:  

CHAOS is seeking a Senior RF Engineer to support the design, analysis, integration, and verification of high-reliability RF and microwave electronics for aerospace and defense applications. This role works as part of a cross-functional, agile development team and spans the full product lifecycle, from early architecture and component trade studies through detailed design, testing, production support, and post-production sustainment of mission-critical systems. 

This is a hands-on hardware role focused on translating system requirements into robust RF implementations, integrating and troubleshooting prototype hardware, and validating performance through lab and field experimentation. The ideal candidate is comfortable using simulation tools to guide decisions, but is strongest when working with real hardware, real measurements, and real system tradeoffs. This is a full-time, on-site position in Hawthorne, CA. 

  Responsibilities:  

Design, analyze, prototype, and tune RF circuit boards incorporating catalog MMICs, including LNAs, power amplifiers, baluns, filters, mixers, and associated bias and matching networks 

Perform architecture development and component trade studies to meet system-level RF performance requirements 

Plan and execute RF testing and characterization, including integration and troubleshooting at the board, module, and subsystem levels 

Contribute to the design and specification of RF test equipment, fixtures, and automation 

Collaborate with systems, power, digital, mechanical, and software engineers to ensure RF designs integrate cleanly within larger systems 

Serve as a technical contributor from development through production and post-production, including failure analysis and field support 

Support linear, nonlinear, and electromagnetic simulations using industry-standard tools (e.g., HFSS, ADS, AWR, or equivalent) 

Support design, analyze, prototype, and tune RF circuit boards incorporating catalog MMICs, including LNAs, power amplifiers, baluns, filters, mixers, and associated bias and matching networks 

Support PCB layout (Altium) and RF stack-up definition, including impedance control, grounding, shielding, and isolation techniques 

Minimum Requirements:  

Bachelor's degree in Electrical Engineering with 7+ years of progressively responsible RF engineering experience, or a Masters with 5+ years, or a PhD with 2+ years of relevant experience

Experience developing RF hardware for aerospace, defense, avionics, radar, EW, communications, or space systems 

Strong understanding of RF fundamentals and how they add to system-level performance, including gain, noise figure, linearity, phase noise, stability, and impedance matching 

Hands-on experience with RF test equipment (e.g., VNAs, spectrum analyzers, signal generators, power meters) 

Demonstrated ability to analyze, troubleshoot, and resolve complex RF circuit performance issues 

Strong attention to detail and ability to operate effectively in fast-paced, development-focused environments 

Ability to obtain and maintain a U.S. security clearance 

Preferred Requirements:  

Experience with radar, EW, remote sensing, or communications subsystem architecture and performance analysis.

Experience planning and executing …