Senior RF Design Engineer

Job Overview We are seeking a hands-on Advanced RF/Antenna Engineer to design, develop, and debug board-level RF circuits and antenna systems from concept through production. The ideal candidate has strong industry experience in RF circuit design, antenna tuning, impedance matching, and product-level testing and validation.

Core Responsibilities Design and develop RF transmitters, receivers, antennas, and supporting circuits in the 800 MHz to 8 GHz range. Perform RF impedance matching, antenna tuning, and Smith Chart analysis. Design and troubleshoot Class A/AB power amplifiers up to 5W. Conduct RF simulation, prototyping, board bring-up, lab testing, and root-cause analysis.

Use RF lab equipment such as VNAs, spectrum analyzers, oscilloscopes, and RF power meters. Support product integration, factory bring-up, and production release. Troubleshoot and validate EMI/EMC and FCC compliance. Core Requirements Bachelor's degree with 5+ years of experience or Master's degree with 4+ years. 5–10 years of hands-on RF engineering experience in an industry/product development environment.

Strong board-level RF circuit design experience. Experience with RF transmitter, receiver, and antenna design. Strong understanding of RF impedance matching and Smith Chart analysis. Experience with Class A/AB power amplifiers up to 5W. Hands-on lab testing, debugging, soldering, and troubleshooting experience. Proficiency with RF lab equipment and RF simulation tools such as ADS or CST.

Preferred Qualifications

UHF RFID reader or RFID system design experience. RF system-level design experience involving RFID, UWB, or other wireless technologies. Experience with RF product validation and FCC/EMI/EMC/ESD compliance. Familiarity with power supply regulator design and PCB layout reviews.