Staff Engineer, Wafer Probe and Final Test

Staff Engineer, Wafer Probe and Final Test at pSemi, A Murata Company

pSemi Corporation, a Murata company, is at the forefront of semiconductor integration, building on Peregrine Semiconductor’s 30-year legacy and robust IP portfolio. Our mission is to enhance Murata’s world-class capabilities with high-performance semiconductors. Specializing in RF integration, pSemi’s diverse product portfolio now encompasses power management, connected sensors, optical transceivers, antenna tuning, and RF frontends. These intelligent and efficient semiconductors are crucial for advanced modules in smartphones, base stations, personal computers, electric vehicles, data centers, IoT devices, and healthcare. Headquartered in San Diego with global offices, pSemi’s team is dedicated to innovating electronics that are smaller, thinner, faster, and better for our connected world.

The Staff Engineer, Wafer Probe and Final Test will be instrumental in developing, qualifying, documenting, implementing, monitoring, and improving pSemi’s Wafer Probe and Final Test processes conducted at various subcontractors across Asia. This pivotal role involves comprehensive oversight from development to day-to-day problem resolution, ensuring technical excellence and quality across the manufacturing supply chain.

Roles & Responsibilities

• Design, develop, and implement automatic test equipment and test programs for design verification and production testing at both wafer and packaged part levels.
• Sustain and support all on-site production test software and equipment.
• Support test development and characterization of pSemi’s RF, Boost, Buck, and Charge Pump products.
• Collaborate with Test Development, Design, and Characterization Engineers throughout the product development lifecycle.
• Coordinate with US Corporate Engineering to align manufacturing processes, transfer knowledge, and establish new test platforms.
• Ensure consistency in processing quality across multiple sites.
• Provide engineering support for wafer probe and final test processes, working with new product development teams, operations, and offshore suppliers.
• Analyze and qualify robust manufacturing processes to improve yield, cost, quality, cycle time, and capacity.
• Assist subcontractors with NPI-related activities and ensure monitoring and maintenance of process controls.
• Oversee subcontractor failure analysis, problem resolution, and disposition of discrepant material.
• Specify, implement, and monitor process control procedures to enhance production efficiency, yield, and capacity.
• Measure, analyze, and report incoming quality issues to subcontractors.
• Act as the central test resource during product transition from development to volume production.
• Define and support test and validation plans to achieve target test coverage and test time.
• Participate in new design troubleshooting and provide recommendations to development teams.
• Analyze test and characterization data and support test equipment automation, verification, and integration.
• Create and maintain test design documentation including instructions, specifications, verification plans, and standard operating procedures.
• Liaise with subcontractors to implement and support production testing.
• Manage time and resources to meet project goals.
• Represent Wafer Probe & Final Test Process Engineering in interdisciplinary teams.

Minimum Qualifications

• Minimum 8 years of experience in Wafer Probe and/or Final Test sustaining for RF & PMIC products, with solid knowledge of back-end semiconductor manufacturing processes.
• Strong understanding of analog/digital circuits, including RF, Boost, Buck, and Charge Pump operation and testing principles.
• Proficiency in statistical data analysis, including SPC, process capability studies, FMEA, Measurement System Analysis (Gage R&R), and Design of Experiments (DOE).
• Experience in process optimization, developing process flow diagrams, control plans, and work instructions.
• Skilled in schematic capture and PCB design for test fixtures.
• Proficient in Microsoft Office.
• Fluent in English, with effective written and verbal communication skills.
• Demonstrated ability to work independently and collaboratively in NPI and semiconductor supply chain environments.
• Strong project management and prioritization skills, with the ability to manage multiple projects under pressure.
• Experience working with offshore assembly and subcontract manufacturers.
• Ability to train production personnel, create clear documentation, and interpret complex technical publications.
• Willingness to travel up to 50%.

Preferred Qualifications

• Experience with RF Test Platforms, especially Teradyne ETS364, and test program/hardware development for production and characterization.
• Familiarity with I2C, PMBUS, and NI STS interfaces.
• Proficiency in tools such as Galaxy, C++, Visual Studio, and Eagle RAIDE.
• Strong understanding of the IC product development lifecycle.

Education Requirements

• Bachelor's degree in Electrical Engineering; Master’s preferred.

Key skills/competency

• Wafer Probe
• Final Test
• RF & PMIC Testing
• Semiconductor Manufacturing
• Statistical Data Analysis (SPC, FMEA, DOE)
• Process Optimization
• ATE Programming (Teradyne ETS364)
• Analog/Digital Circuits
• Project Management
• Offshore Subcontractor Management