Join our team to develop cutting-edge wireless technologies for advanced consumer electronics products. As a Senior Radio Frequency Engineer specializing in Antenna Design , you'll be working onsite with our prestigious Silicon Valley client. You'll execute sophisticated RF characterizations, new antenna designs, automate test systems, and perform electromagnetic simulations to ensure optimal wireless performance in next-generation devices. Req.#[redacted] Responsibilities Coordinate and execute comprehensive RF characterization and test plans for advanced consumer electronics Design new small antenna for mobile use Develop automated test systems integrating signal generators, spectrum analyzers, and power amplifiers Perform electromagnetic (EM) and RF circuit simulations to analyze and optimize characterization platforms Conduct precise antenna measurements and collect RF parametric data supporting product development Collaborate with cross-functional teams to integrate multiple wireless technologies including cellular, GPS, WiFi, and NFC Create and maintain robust automation frameworks for executing complex RF testing sequences Requirements Proven experience in RF engineering with demonstrated hardware design expertise Experience with small antenna design Strong knowledge of wireless technology integration (cellular, GPS, WiFi, NFC) in consumer products Proficiency with electromagnetic/circuit simulation tools such as HFSS, CST, ADS, or Cadence Hands-on experience with RF lab instrumentation and advanced measurement techniques Programming skills in C/C++, Python, or shell scripting for test automation development Excellent communication abilities with capacity to work effectively in fast-paced collaborative environments Location: 100% onsite position in Cupertino, CA for a 6+ month engagement with possibility of extension