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Role Overview: CHAOS is seeking a Senior Mechanical Engineer to support the hands-on design, development, packaging, integration, and qualification of ruggedized sensor systems, avionics, electronic hardware, and related mission-critical systems for dual-use aerospace and defense applications. Design challenges may include structures, enclosures, mechanisms, electromechanical hardware, thermal solutions, support equipment, and other systems deployed across land-, sea-, and air-based platforms.

YEAR

Chaos Inc

Senior Mechanical Engineer

Where you probably come from: Perception roles at defense companies, autonomy, perception-heavy robotics, or aerospace programs that put perception in front of real targets. We need a Senior Machine Learning Engineer to lead the perception stack for Archimedes — detection, tracking, classification, and sensor fusion across the targeting chain.

Aurelius Systems

Sr. ML Engineer, Perception

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.

Blue Origin

Principal mmWave IC Design Engineer - TeraWave

We are seeking a Senior RF Spectrum Policy Analyst/Engineer (Engineering Specialist or Senior Engineering Specialist - Communications Systems Engineering) to support multiple aspects of spectrum policy for the government customer, including evaluating potential impacts of proposed policies and advocating for policy positions that maintain customer access to spectrum. Evaluate national and international spectrum policy activities, including International Telecommunications Union (ITU), White House, Congress, Federal Communications Commission (FCC), and National Telecommunications and Information Administration (NTIA) actions, to determine impacts to the customer.

The Aerospace Corporation is a national nonprofit corporation that operates a federally funded research and development center and has more than 4,600 employees. With major locations in Chantilly, Virginia; El Segundo, California; Albuquerque, New Mexico; and Colorado Springs, Colorado, Aerospace addresses complex problems across the space enterprise and other areas of national and international significance through agility, innovation, and objective technical leadership. For more information, visit www.aerospace.org.

The Aerospace Corp

Senior RF Spectrum Policy Analyst/Engineer

Design experience with one or more of the following: phased array antennas/AESAs, modules, radiators, beam formers, power splitters, feed networks, couplers, filters, circulators, RF assemblies. You will perform analysis, verification, troubleshooting, and testing of RF/microwave sub‑components used in phased array antennas, including Active Electronically Scanned Arrays (AESAs).

Senior RF & Microwave Engineer

As an Associate Engineer, you will have an amazing opportunity to work on hard problems - we pride ourselves on giving everyone at Astranis a chance to do meaningful work on challenging projects, and our Associate Engineers work on projects that are of equal importance and difficulty to the projects we give our full-time employees. Astranis has raised over $1.2 billion from some of the world's best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs.

Astranis Space Technologies Corp

RF Hardware Associate Summer 2027

This role requires deep expertise in multi-layer, high-speed, RF, and mixed-signal PCB layout, strong ownership of stackup and via architecture decisions, and direct engagement with PCB fabrication and assembly partners to ensure manufacturability, reliability, and cost efficiency. Familiarity with advanced PCB fabrication technologies such as mSAP (Modified Semi-Additive Process) and SLP (Substrate-Like PCB), including fine-line routing, small via structures, and associated DFM constraints.

E-Space

Senior PCB Layout Engineer

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FULL_TIME

An opportunity to really make a difference • Sustainability at our core • Fair and honest workplace • Innovative thinking is encouraged • Competitive salaries • Continuous learning and development • Health and wellness care options • Financial solutions for the future • Optional legal services (US only) • Paid holidays • Paid time off . Design and qualify custom and COTS connectors for spacecraft applications including shielded/unshielded low-pin-count, board-to-board, coax, high-speed, and fiber-optic interfaces.

Staff Harness & Interconnect Engineer

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As a Senior Harness Design Engineer at Astranis, you will own the design of the wire harnesses that keep our spacecraft alive on orbit, translating electrical architecture into manufacturable, flight-reliable harness designs built to survive launch and the full mission life in geostationary orbit. Spacecraft charging expertise, familiar with surface charging, internal and deep-dielectric charging (dielectric penetration), and their effects on wire insulation, connector dielectrics, and shielding, per references such as NASA-HDBK-4002 and ECSS-E-ST-20-06.

Senior Harness Design Engineer

Circuit design skills, and experience performing analysis and simulation of both linear and non-linear circuits such as phase-locked loops, vector modulators/demodulators, oscillators, mixers, filters, low noise and power amplifiers. We are seeking a motivated, proactive, and intellectually curious RF/Analog IC engineer who will work alongside world-class cross-disciplinary teams (systems, firmware, architecture, design, validation, product engineering).

Space Exploration Technologies

Sr. Rfic Design Engineer (Rfic Engineering)

INTERN

You will apply your engineering domain knowledge to exercise the platform's capabilities, collaborating closely with software developers to refine APIs and evaluate emerging technologies (such as LLM integrations, Model Context Protocol servers, or automated design checks). Working primarily at the Python API and scripting level, you will build custom design automation solutions, validate API workflows, create reference extensions, and explore modern developer productivity tools.

Keysight Technologies, Inc.

R&D RF/Microwave Engineer Intern

[AW]-iCims

Through deep technical leadership, cross-functional influence, and a commitment to engineering excellence, you will shape RF innovation, strengthen organizational capability, and deliver differentiated solutions that drive customer and business outcomes. As a recognized technical authority, you will establish RF design direction, influence technology strategy, and ensure engineering rigor across the full product lifecycle-from concept through high-volume manufacturing and field performance.

From smartphones and tablets to wearables and automobiles, it’s hard to go more than a few hours without using a semiconductor-enabled device. The semiconductor industry touches nearly every person on the planet, and chipmakers continue to advance the technology that powers it all.    
As a trusted partner to the world’s leading semiconductor companies, we welcome challenges and we deliver. That’s why, today, nearly every advanced chip is built with Lam technology.   
Our innovative wafer fabrication equipment and services allow chipmakers to build smaller and better performing devices. We combine superior systems engineering, technology leadership, and a strong values-based culture, with an unwavering commitment to our customers.

Lam Research Corp

RF Engineer 6

You will design wireless platforms supporting technologies including 4G LTE, 5G NR, GNSS, Wi-Fi, ADS-B, UAT, Bluetooth, ISM radios, emerging Vehicle-to-Vehicle (V2V) communications, and future air-to-ground communication systems, all operating simultaneously within extremely space- and power-constrained platforms. Our aircraft, docks, droids, and logistics infrastructure integrate numerous simultaneously operating wireless systems across licensed and unlicensed spectrum while operating in dynamic airborne environments with demanding size, weight, power, reliability, and regulatory constraints.

Zipline International Inc

Senior RF Front-End Design Engineer

Active and existing security clearance required after day 1 At Collins Aerospace, our Multi-Domain Assured Navigation and Timing Applications (MANTA) organization is a growing business area in need of a qualified electrical engineer to support development and factory transition of state-of-the-art navigation products for the Government marketplace. Of course, that wouldn’t be possible without the capabilities and technologies of our organization, as well as our engineers – a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).

Senior Principal RF Design Engineer (Onsite)

Advance the characterization and analysis of RF MEMS devices including S-parameters, hot S-parameters, load-pull, IMD & harmonics generation, noise emissions, and advanced metrology systems such as acoustic vibrometers and thermal imagers. At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management, and the freedom to make meaningful contributions in a setting that encourages creative thinking.

Skyworks Solutions Inc

RF Validation Engineer - Staff

Experience in at least one of the following technical domains: - RF/Microwave Design & Measurement: Designing, fabricating, or bench-testing RF/microwave circuits or components (e.g., amplifiers, filters, mixers, couplers), including S-parameter or microwave measurements using network/spectrum analyzers. You may work across a broad range of technologies, including RF circuit card assemblies (CCAs) and modules for receivers, exciters, and transmitters; antennas and radomes; semiconductor devices; microwave and millimeter-wave integrated circuits (MMICs); and phased-array hardware.

RF / Microwave Electrical Engineer I - Onsite

As a RF Engineer at Lam, you play a crucial role in designing, building, and troubleshooting cutting-edge radio frequency (RF) solutions for power delivery and plasma generation in our Etch and Deposition products. Our hybrid roles combine the benefits of on-site collaboration with colleagues and the flexibility to work remotely and fall into two categories - On-site Flex and Virtual Flex.

RF Engineer 3

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. 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.

Software Engineer II - Space and RF Sensors

RF Electrical Engineer Intern (Summer 2027)(Onsite)

Key responsibilities include performing design analysis, verification, troubleshooting, and testing of circulators, radiators, Transmit/Receive (T/R) Modules, and RF/microwave subassemblies used in phased array antenna systems, including Active Electronically Scanned Arrays (AESAs). Design experience with (1) or more of the following: phased array antennas/AESAs, modules, radiators, beam formers, power splitters, feed networks, couplers, filters, circulators, and RF assemblies.

Radio Frequency Engineer Jobs in California

Senior Mechanical Engineer Chaos Inc

Sr. ML Engineer, Perception Aurelius Systems

Principal mmWave IC Design Engineer - TeraWave Blue Origin

Senior RF Spectrum Policy Analyst/Engineer The Aerospace Corp

Senior RF & Microwave Engineer RTX

RF Hardware Associate Summer 2027 Astranis Space Technologies Corp

Senior PCB Layout Engineer E-Space

Staff Harness & Interconnect Engineer E-Space

Senior Harness Design Engineer Astranis Space Technologies Corp

Sr. Rfic Design Engineer (Rfic Engineering) Space Exploration Technologies

R&D RF/Microwave Engineer Intern Keysight Technologies, Inc.

RF Engineer 6 Lam Research Corp

Senior RF Front-End Design Engineer Zipline International Inc

Senior Principal RF Design Engineer (Onsite) RTX

RF Validation Engineer - Staff Skyworks Solutions Inc

RF / Microwave Electrical Engineer I - Onsite RTX

RF Engineer 3 Lam Research Corp

Software Engineer II - Space and RF Sensors RTX

RF Electrical Engineer Intern (Summer 2027)(Onsite) RTX

Senior RF Design Engineer RTX

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