RF Test Technician

Ultimate Staffing is seeking an RF Test Technician to join a client in San Jose CA. This is a 6 month contract role with potential extenstion. The position is 100% onsite. Hours for the role are Monday - Friday 8:00 am - 5:00 pm. with some overtime.

Job Summary: Main Objectives of the Position

The RF Test Technician is responsible for performing functional electrical tuning, high-power RF characterization, and comprehensive final testing of RF matching networks used in semiconductor and plasma process equipment. This role operates high-voltage test cells, Vector Network Analyzers (VNAs), RF power generators, and automated test stations to calibrate impedance tuning ranges, verify RF power handling capability, and ensure product reliability prior to customer delivery.

Tasks and Duties (incl. percentages of tasks if applicable)

·Perform full functional RF testing, tuning, and calibration on production RF matching networks across standard frequency ranges (350kHz to 200MHz) at power levels exceeding 1kW-10kW+.

·Set up and operate RF test instrumentation, including Vector Network Analyzers (VNAs), Spectrum Analyzers, LCR meters, high-voltage oscilloscopes, directional couplers, and digital power meters.

·Tune vacuum variable capacitor (VVC) drives, stepper motor homing positions, and inductive coils to optimize match tuning trajectories, Smith chart response, and response times.

·Perform high-voltage electrical safety testing, including Hi-Pot dielectric withstand tests, insulation resistance checks, ground bonding continuity, and RF leakage verification.

·Connect, purge, and monitor liquid-cooling manifolds during high-power thermal burn-in cycles; verify flow rates, pressure drops, and thermal stability.

·Log test data, sweep plots, and calibration metrics into SAP and automated test data repositories; record test travelers with strict traceability.

·Perform troubleshooting, fault isolation, and component-level diagnosis on non-conforming units (e.g., failed match respon

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.