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.