Yield Engineer

Tower Semiconductor Ltd.; Newport Beach, Northern (CA, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Tower Semiconductor Ltd. is seeking an experienced engineer to sustain defectivity monitoring and improve wafer yields across 0.35–0.13um RFCMOS/SiGe BiCMOS processes. You’ll partner with Integration, Process, Equipment and R&D to meet performance, quality, and cycle-time goals.

You will analyze defect trends, investigate particulate contamination sources, and drive corrective actions with global teams to optimize fabrication efficiency and product quality.

Qualifications

• Bachelor’s degree in a relevant engineering or science field; Master preferred.
• 3–5 years of yield/process engineering experience.
• Copper CMP experience a plus.
• Strong understanding of process engineering principles and problem solving.

Responsibilities

• Sustain released semiconductor processing and monitor defectivity levels.
• Collaborate with Integration, Process, Equipment and R&D to meet performance targets.
• Troubleshoot, benchmark, and improve manufacturing processes with global teams.

Skills

Defectivity monitoring (RFCMOS/SiGe Bi

Photolithography

Etch

Diffusion

Thin-films

CMP/Hivac

Copper Damascene

Wet-cleans

KLA/AMAT defectivity tools

Optical/SEM microscopes

Particulate contamination control

Statistical process control (SPC)

Defectivity trend analysis

Education

Bachelor’s degree in Materials Science, Chemistry, Electrical Engineering, Microelectronic Engineering or Solid-State Physics; Master preferred

Tools

KLA/AMAT defectivity monitoring tools

Optical/SEM microscopes

Yield Analysis software

Job description

Looking for a career path in the high-tech industry? Become part of a team focused on delivering the most exciting semiconductor technology in the world! If you enjoy working with others in a dynamic, fast-paced environment and are looking for an opportunity to grow your career in this exciting industry, then Tower Semiconductor is the place to be!

Tower Semiconductor, the leading foundry of high-value analog semiconductor solutions, provides technology, development, and process platforms for analog integrated circuits to more than 300 customers worldwide across growing markets such as communications, mobile, infrastructure, consumer, industrial, automotive, medical, and aerospace and defense, among others.

Join Tower and become part of a dynamic organization with exceptionally talented and dedicated team members who work collaboratively to provide best-in-class technological solutions to our clients.

Job Description

You will be responsible for sustaining all released semiconductor-related processing and major areas of responsibilities include monitoring in-line defectivity levels, resolving in-line yield issues, creating inspection recipes on defect-inspection tools and providing feedback to other process engineers and management to improve the manufacturing process. You will partner with Integration, Process, Equipment and R&D to meet performance, quality and cycle-time requirements. You will also work with our global team to trouble-shoot, benchmark and improve our processes.

This Job Is for You If

• You have strong technical background to develop and sustain 0.35 to 0.13um RFCMOS/SiGe BiCMOS processes in Defectivity Monitoring, and one or more of Photolithography, Etch, Diffusion, Thin-films, CMP/Hivac, Copper Damascene and Wet-cleans
• You have experience in sustaining in-line defectivity monitoring tools such as KLA/AMAT defectivity monitoring tools and optical/SEM microscopes
• You are an expert in investigating, identifying, verifying, and containing sources of particulate contamination in semiconductor manufacturing
• You have experience in analyzing defect-trend data, dispositioning problem wafers/lots, correlating defectivity type/level to product yield, using statistical process control techniques to improve yields, and providing corrective action recommendations to solve defectivity issue
• You have the ability to work, and interface with Process Technicians to verify response to daily issues and assist with priority and held lots
• You have led major and minor projects involving particulate contamination and fab yield issues by working closely with device, integration, process, and other yield engineers
• You have designed and overseen experiments to enhance functional and fab yield through defect reduction
• You have experience in performing analysis of in-line defectivity, E-Test, and Probe data to analyze data from experiments or in-line data to identify and resolve problems
• You have strong understanding and experience in direct application of statistical process control
• You have experience utilizing advanced analytical tools/software and techniques to solve wafer fabrication problems
• You have experience in researching, analyzing and recommending capital equipment requirements for analytical tool purchases
• You are able to work with other teams and QA to deliver results to customers’ requirements

Job Requirements

• Minimum requirement is a bachelor’s degree in Materials Science, Chemistry, Electrical Engineering, Microelectronic Engineering, or Solid-State Physics - Master degree is preferred, New Grads with BSEE encouraged to apply
• Minimum 3-5 years yield/process engineering experience
• Experience in Copper CMP is a plus
• Demonstrated knowledge of principles, theories, concepts, and techniques of process engineering
• Ability to execute definable portions of a project or lead own small projects
• Ability to use knowledge to provide solutions to a variety of difficult problems
• Strong organizational skills; demonstrated ability to manage multiple tasks simultaneously and able to react to shifting priorities to meet business needs
• Demonstrated ability to work well within a global team or environment
• Six-Sigma certification is preferred
• Strong knowledge in using Yield Analysis software
• Strong knowledge in in-line automatic defect inspection tool (application, recipe setup, troubling shooting skill)
• Sustained ownership of day-to-day operations and mentoring technicians