Process Engineer - Implant / RTP

POSITION SUMMARY

We are seeking an experienced and driven Senior Process Engineer to support Ion Implantation and Rapid Thermal Processing (RTP) operations in our 200mm High-Volume Manufacturing fab. The Implant and RTP Process Engineer will work closely with Equipment Engineering to develop and sustain ion implant processes on our Axcelis GSD, VHE, and Purion M implanters, along with RTP processes on our AMAT RTP and AG RTP toolset. Additionally, the Implant & RTP process engineer will collaborate with engineers from other modules and our quality teams to identify and address defect and yield issues.

DUTIES & RESPONSIBILITIES

• Own, sustain, and continuously improve Ion Implantation and RTP processes in the 200mm fab.
• Maintain robust process control using SPC and statistical analysis to ensure stability and high equipment uptime.
• Lead yield improvement, cost reduction, and cycle time optimization efforts across assigned toolsets.
• Support process development, new product introductions (NPI), and engineering change implementations.
• Work cross-functionally with integration, equipment, quality, and production teams to resolve process-related issues.
• Dispositional of discrepant material, including troubleshooting / diagnosis of cause and implementation of preventative actions.
• Drive tool qualifications, recipe development, and parameter optimization across various implant species and annealing regimes.
• Interface with tool vendors for upgrades, troubleshooting, and technical evaluations.
• Mentor junior engineers and provide guidance on best-known methods (BKMs) and documentation.
• Cross-train in additional modules to provide backup coverage as needed.
• Other duties and responsibilities as assigned.

EDUCATION & EXPERIENCE

BS / MS / PhD in physics, electrical engineering, material science, chemical engineering, or related discipline.

5+ years of Ion Implantation and / or RTP experience required. Experience with Axcelis implanters, AMAT, and AG RTP toolsets. Knowledge of interaction with CMP is a plus.

Proven experience with device physics and implantation & RTP requirements. Experience with power MOSFET / Trench MOSFET is a plus.

Experience with SPC and automated data collection / analysis.

Hands-on experience with 200mm implant and RTP toolsets; Axcelis (GSD / VHE / Purion), Applied Materials RTP, and AG RTP.

Strong written and verbal communication skills.

Ability to work effectively both one-on-one and in team environments.

Strong analytical skills and familiarity with DOE, FMEA, 8D, and root cause analysis techniques.

Experience with MS Office; Minitab / JMP or other statistical software skills are a plus.

About Jireh Semiconductor :

BENEFITS SUMMARY :

COMPANY INFORMATION :

Alpha and Omega Semiconductor (AOS) is committed to excellence in design, manufacturing, and customer responsiveness through developing new technologies, products, and innovative solutions. We aim to meet our customers' specific needs with high-performance power management solutions. Our mission is to bring value to our customers, shareholders, and employees.

AOS integrates its discrete and IC semiconductor process technology, product design, and advanced packaging to develop high-volume applications such as portable computers, flat panel TVs, LED lighting, smartphones, battery packs, consumer and industrial motor controls, and power supplies for TVs, computers, servers, and telecommunications equipment.

Jireh Semiconductor, Inc., a wholly owned subsidiary of AOS, is located in Hillsboro, Oregon, serving as the in-house wafer fab.

EEO Statement :

Jireh Semiconductor prohibits discrimination based on race, color, religion, sex, age, national origin, veteran status, marital status, disability, gender identity or expression, or any other legally protected status.

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