Junior Validation Engineer (San Diego)

About Axiro Semiconductor Axiro Semiconductor is a fabless semiconductor design company headquartered in Bengaluru, driving innovation in RF, wireless infrastructure, satellite communication (Satcom), and high-speed connectivity solutions. Backed by CG Power & Industrial Solutions Ltd. part of the 120-year-old Murugappa Group. Axiro represents India’s leap into the global semiconductor arena.

With millions of chips already powering global networks, a world-class team across India, the US, and Europe, and cutting-edge expertise spanning RF, mmWave, GaN, and next-generation communication technologies, Axiro is engineering the future of how the world connects, computes, and communicates. For more information, please visit: Job Description Lead RF post-silicon validation of LNAs, Driver amplifiers, RF switches, PAs, beamformers, and transceivers. Own characterization of key RF parameters including: S-parameters (Gain, Return Loss, Isolation), Smith chart, Noise Figure, IIP3 / OIP3, P1dB, Phase Noise, EVM, ACPR, Harmonics and Spurious emissions Perform CW, pulsed, modulated and timing validation where applicable.

Execute validation across voltage, temperature, and process corners. Drive silicon bring-up and perform deep root cause analysis of performance deviations. Develop automation frameworks using Python (PyVISA, SCPI) for scalable validation.

Support production, test handover and characterization correlation. Generate comprehensive validation reports and data summaries. Requirements A bachelor’s or master’s degree in Electrical engineering. 0-2 years of experience in RF Bench Validation and Characterization.

Strong understanding of RF fundamentals: impedance matching, stability Analysis, noise mechanisms, and linearity concepts. Hands-on experience with VNAs, spectrum/signal analysers, RF signal generators, power meters, and noise figure setups. Understanding of lab instruments like power supplies, DMMs, oscilloscopes, network analyzers, spectrum analyzers, PNAx, etc.

Preferred Exposure to automation-driven validation and large-scale characterization matrices. Experience in soldering small SMD components. Knowledge of communication protocols like SPI, I2C, I3C, SCPI, etc.

Knowledge of PCB design.