RF/MMIC Design Engineer
We are seeking an experienced RF/MMIC Design Engineer supporting the development of advanced microwave and superconducting computing technologies. The ideal candidate will have extensive hands-on experience designing RF Monolithic Microwave Integrated Circuits (MMICs) , with particular emphasis on large-scale resonator circuits operating around 30 GHz . This engineer will be responsible for RF circuit design, electromagnetic simulation, optimization, and layout support for complex microwave resonator networks. The role requires a strong understanding of high-frequency circuit behavior, resonant structures, coupling mechanisms, and parasitic effects.
Key Responsibilities
Design, simulate, and optimize RF/MMIC circuits operating at approximately 30 GHz. Develop complex, large-scale microwave resonator circuits and coupled resonator networks. Perform RF circuit design and electromagnetic modeling using industry-standard EDA tools. Analyze resonator characteristics, including resonant frequency, quality factor (Q), coupling coefficients, bandwidth, insertion loss, and impedance matching. Design and optimize distributed microwave structures, transmission lines, resonators, filters, and passive RF networks. Perform full-wave electromagnetic simulations to evaluate parasitic coupling, electromagnetic interactions, and signal integrity. Support RF IC layout, parasitic extraction, design verification, and tapeout preparation. Collaborate with device physicists, IC designers, layout engineers, and test teams to optimize circuit performance. Analyze simulation and measurement results, troubleshoot performance discrepancies, and recommend design improvements. Support RF circuit integration into larger semiconductor or superconducting computing architectures. Required Qualifications 7+ years of hands-on RF, microwave, or MMIC design experience preferred. Strong experience designing MMICs or integrated microwave circuits at 30 GHz or higher. Direct experience designing resonator circuits, coupled resonator structures, or large-scale microwave resonator networks. Strong knowledge of microwave circuit theory, transmission lines, impedance matching, S-parameters, and electromagnetic coupling. Hands-on experience with RF/microwave design and simulation tools such as: Keysight ADS Ansys HFSS Cadence AWR Microwave Office CST Microwave Studio Cadence Virtuoso / Spectre RF Experience with EM/circuit co-simulation and layout-dependent RF parasitic effects. Experience taking RF/MMIC designs through simulation, physical implementation, and hardware validation. Ability to work independently on complex RF design challenges.
Preferred Qualifications
Experience with superconducting microwave circuits or cryogenic RF systems. Experience with high-Q resonators, resonator arrays, and strongly coupled microwave structures. Knowledge of Josephson junction-based circuits or superconducting electronics. Experience with RF circuit design for cryogenic temperatures near 4 Kelvin. Experience with advanced semiconductor fabrication processes and RF IC tapeouts. Familiarity with Python or MATLAB for RF modeling, analysis, and automation. Experience characterizing microwave circuits using vector network analyzers (VNAs) and other RF test equipment.