RF IC Design and System Simulation Engineer

Location: Seoul, South Korea

Company

hirify.global.

What you will do

• Perform Tx full-chain simulations integrating power amplifiers, switches, filters, and PCB elements to predict EVM, ACLR, noise, and efficiency.
• Develop and verify behavioral models for RF front-end module components for top-level system analysis.
• Analyze transceiver and FEM interactions, including impedance mismatch and non-linearity effects.
• Develop Python scripts and automation tools for simulation control, large-scale data processing, and regression testing.
• Correlate system simulation data with laboratory measurements to improve model accuracy.

Requirements

• MS degree or PhD with a strong focus on RF power amplifier or related RFIC circuit design.
• Solid understanding of transceiver architectures and complete RF front-end chains, including PA, LNA, switches, and filters.
• Proficiency with AI coding agents such as Claude Code.
• Strong problem-solving skills for debugging root causes of system issues and correlating simulation results with laboratory measurements.
• Expertise with ADS, Cadence Virtuoso, Dynamic Link, Golden Gate, and HFSS.

Nice to have

• Hands-on circuit design experience with power amplifiers, switches, or filters.
• Hands-on RF power amplifier circuit design experience.
• Experience with HFSS and other EM simulation tools, as well as thermal analysis.
• Proficiency with AI-driven development tools such as Claude Code and Cursor.

Culture & Benefits

• Equal opportunity employment.