View opening : RFIC Design Engineer

BeRex; Santa Ana (CA); Remote; USD 120,000 - 180,000; Full time

Job summary

BeRex is seeking an embedded RF IC Design Engineer to lead hands-on design and verification of RF front-end blocks (Switches, PA, LNA, Bandgap) in CMOS/SOI/BiCMOS processes. You’ll model, simulate, and help optimize performance in collaboration with a team, with layout and post-layout responsibilities.

Experience across product cycles from concept to mass production is preferred. The role involves EM modeling for packaging/PCB and close work with design engineers to reach high-volume production

Qualifications

• Thorough knowledge of CMOS, SOI, and BiCMOS processes.
• Design experience in CMOS analog/RFIC blocks above 1GHz.
• Proficient with EDA tools on Linux/Unix.
• Product development experience from concept to mass production preferred.
• Solid fundamentals in PA, LNA, switches and related blocks.

Responsibilities

• Design and simulate RF frontend blocks (Switches, PA, LNA, Bandgap).
• Hands-on circuit design, modeling, and verification across CMOS/SOI/BiCMOS.
• Layout participation, DRC/LVS, and post-layout optimization.
• EM modeling for packaging and PCB at block and system levels.
• Collaborate to optimize LNA NF, PA efficiency, linearity, ACPR/EVM.
• Lead/participate in silicon evaluation towards high-volume production.

Skills

CMOS RF design

SOI/BiCMOS knowledge

LNA/PA design

RF front-end blocks

High-speed/BW op-amps

Education

MSEE or BSEE

PhD preferred

Tools

ADS

Momentum

HFSS

Cadence Spectre / SpectreRF / GoldenGate

Job description

Position Summary:

• Responsible for both small signal and large signal circuit design and simulation of RF Frontend blocks such as Switches, PA, LNA, Bandgap, and other circuits.
• Perform hands-on circuit design, modeling, and verification in either CMOS or SOI or SiGe HBT process. Responsible for corner, PVT, and Monte Carlo simulation.
• Participate in layout, DRC / LVS, and post-layout optimizations.
• Perform electro-magnetic (EM) modeling of circuits and block level and beyond including packaging and PCB.
• As member of RF IC design team, will work with other design engineers to optimize critical performances such as LNA NF and current, PA efficiency, linearity, and ACPR / EVM.
• Lead / Participate in evaluating, measuring, and debugging silicon until it reaches high volume production.

Required Technical Skills:

• Must have thorough knowledge of semiconductor process such as CMOS, SOI, and BiCMOS. Knowledge of III-V technologies is a plus.
• Must have proven design experience in CMOS analog/RFIC blocks above 1GHz.
• Must be proficient with EDA tools - ADS, Momentum, HFSS, Cadence Spectre / SpectreRF / GoldenGate under Linux / Unix.
• Direct product development experience (chip level and RF system level) through product definition to mass production is preferred.
• Must have solid fundamentals in PA, LNA, and switch. Prior design experience with high-speed / high-bandwidth op-amp, band-gap, current source, control logic, LDO, RF detector, coupler, and filter is a plus.
• SOI / CMOS mmWave IC Design with layout experience is a plus.

Experience and Education:

• MSEE thesis/PhD dissertation on Multi-GHz CMOS / SOI / BiCMOS wireless transceiver circuit blocks or front-end module are preferred.
• MSEE / BSEE with 5+ years of industry experience is preferred, fresh PhD is welcome to apply.
• Team player with a solid communication skill while achieving expected results, working remotely.