FormFactor

Sr Principal Integration and Yield Engineer

FormFactor$115K — $151K *
Manufacturing & Automotive
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of relevant experience in semiconductor engineering, or equivalent education and experience.
  • Deep understanding of semiconductor unit processes and their interactions.
  • Proven track record in solving complex yield and defectivity challenges.
  • Experience with advanced analytics tools or scripting languages such as JMP, Python, or MATLAB.
  • Strong expertise in statistical methodologies like DOE and SPC and their applications.

Responsibilities

  • Lead integration strategy for high-yield process flows in semiconductor manufacturing.
  • Drive yield improvement initiatives by identifying and addressing major limiters.
  • Employ structured problem-solving methods to tackle yield excursions by analyzing inline data and test results.
  • Utilize inspection and metrology tools data to eliminate yield-limiting defects.
  • Collaborate with process engineering teams to enhance process performance and uniformity.
  • Conduct design of experiments and apply statistical control techniques for ongoing improvement.
  • Serve as a technical liaison across multiple teams to validate and implement process changes.

Benefits

  • Comprehensive health coverage including medical, dental, and vision benefits.
  • Life and disability insurance offerings for added security.
  • 401(k) plan with company matching contributions to support long-term savings.
  • Opportunities for employee stock purchase through ESPP.
  • Generous paid time off policy to promote work-life balance.
  • Eligibility for quarterly profit-sharing bonuses based on performance.
  • Flexible spending or savings accounts for health expenses.
Full Job Description
Shift:
The regular hours for this position are day shift.

Job Description:

We are seeking a highly skilled, hands-on Sr. Principal Integration & Yield Engineer to join our Production Engineering team. This role is critical in driving end-to-end process integration, yield improvement, and defect reduction for a unique semiconductor application.

You will act as a technical leader within the fab environment-owning complex yield challenges, leading data-driven problem-solving efforts, and influencing cross-functional teams. The ideal candidate brings deep semiconductor process expertise, strong analytical capability, and a proven track record of solving high-impact manufacturing problems.

Key Responsibilities:
  • Lead process integration strategy across the full process flow, ensuring seamless interaction of unit processes into robust, high-yielding module flows.
  • Own and drive yield improvement initiatives, identifying key yield limiters and implementing sustainable solutions.
  • Use structured problem-solving methodologies (e.g., 8D, DMAIC, root cause analysis) to resolve yield excursions using inline data, electrical test data, failure analysis, and direct fab observations.
  • Analyze and interpret data from defect inspection and metrology tools to identify, characterize, and eliminate yield-limiting defects.
  • Partner with process engineering teams to optimize process windows, improve uniformity, and enhance overall device performance.
  • Lead design of experiments (DOE) and leverage statistical process control (SPC) and advanced analytics to drive continuous process improvement.
  • Serve as a cross-functional technical leader, collaborating with fab operations, equipment engineering, test, and R&D to implement and validate process changes.
  • Own flying probe electrical test processes, including data analysis, reporting, and automation of test outputs.
  • Monitor rework trends and scrap drivers, implementing process improvements to reduce rework rates and improve cycle time.
  • Support technology transfer and ramp from R&D into high-volume manufacturing, ensuring stable yield and manufacturability.
  • Develop and maintain process integration documentation, including flows, specs, and control strategies.
  • Lead and mentor cross-functional teams in data-driven problem solving and best practices.


Preferred Qualifications:

  • Experience with advanced analytics tools or scripting (e.g., JMP, Python, MATLAB)
  • Familiarity with electrical test systems, including flying probe or wafer sort methodologies
  • Experience supporting new product introduction (NPI) and manufacturing ramp.
  • Knowledge of yield modeling, reliability analysis, and failure analysis techniques.
  • Proven experience solving complex yield and defectivity challenges in a high-volume fab environment.
  • Deep understanding of semiconductor unit processes (e.g., lithography, etch, deposition, CMP) and their interactions.
  • Strong expertise in data analysis, DOE, and SPC methodologies.
  • Hands-on experience with defect inspection and metrology tools.
  • Demonstrated ability to lead cross-functional technical teams and influence without authority.
  • Strong problem-solving, communication, and documentation skills.


Skills:
Critical Thinking, Data Analysis, Data Analytics, Failure Analysis, Integration Development, Problem Investigation, Problem Reporting, Problem Solving, Processing, Process Qualification

Education & Experience:
Minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with 3 years experience; or equivalent experience | Required

Pay Range:
$115,800.00 - $151,935.00

Pay Range Explained:
This role in Beaverton, Oregon pays between $115,800.00 and $151,935.00 per year, depending on your experience, skills, and background. Pay may vary in other locations. We offer a full benefits package, including medical, dental, vision, life insurance, disability coverage, a 401(k) with company match, employee stock purchase plan (ESPP), and paid time off. You'll also be eligible for quarterly profit-sharing bonuses and flexible spending or savings accounts.

About FormFactor

FormFactor, Inc. is a leading provider of essential test and measurement technologies along the full IC life cycle ? from characterization, modeling, reliability, and design de-bug, to qualification and production test. Semiconductor companies rely upon FormFactor?s products and services to accelerate profitability by optimizing device performance and advancing yield knowledge. The Company serves customers through its network of facilities in Asia, Europe, and North America. FormFactor is headquartered in Livermore, California with operations worldwide.
Learn more about FormFactor
Size
2,293 employees
Market Cap
$1.7 billion
Industry
Net Income
$78.5 million
Founded
1995
5 Year Trend
+14.9%
Revenue
$693.6 million
NASDAQ

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