Senior SMT Process Leader - High-Density PCB & Yield

FormFactor, Inc.; Livermore (CA); On-site; USD 136,000 - 179,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life insurance

Disability coverage

401(k) with company match

Employee stock purchase plan (ESPP)

Paid time off

Quarterly profit-sharing bonuses

Flexible spending or savings accounts

Job summary

FormFactor, Inc. in Livermore, CA is seeking a Sr Principal Process Development Engineer to own SMT processes for probe card PCB assembly, ensuring high-quality soldering, stable process capability, and consistent output across placement, reflow, and inspection stages.

You will provide technical leadership for SMT line performance, defect reduction, equipment improvements, and cross-functional integration with plating, lithography, and electrical test teams, while driving continuous improvement

Qualifications

• Bachelor’s degree in Electrical, Mechanical, Manufacturing, Materials Science, or related field.
• 3–7 years SMT/PCB assembly experience preferred.
• Strong understanding of solder paste, reflow, and defect mechanisms.
• Hands-on SMT equipment and inspection systems (SPI, AOI).
• Proficiency with SPC, FMEA, DOE, and root-cause problem solving.
• Experience with probe card, semiconductor test hardware, or high-precision PCB manufacturing.
• Lean/6σ Green Belt or Black Belt certification.
• Experience with MES systems and factory automation.

Responsibilities

• Develop, qualify, and maintain SMT processes, solder paste selection, injection, inspection, reflow profiling, and placement parameters.
• Own recipe creation and optimization for high-density advanced probe card PCBs.
• Drive process capability improvements (Cp/Cpk) and ensure stable production performance.
• Provide daily engineering support for SMT equipment; troubleshoot failures and maintenance.
• Lead cross-functional coordination with plating, lithography, mechanical assembly, and electrical test teams.
• Drive cycle time reduction, throughput improvements, and operator training.
• Lead Lean/6σ initiatives to reduce waste and improve robustness.

Skills

SMT Process Eng.

Equipment Ownership

Quality & Yield

Cross-Functional Collab

Continuous Improvement

Lean/6σ

DOE/FMEA

Education

Bachelor’s degree in EE/ME/Manufacturing/MSE or related field

Tools

SPI

AOI

SMT Equipment

Job description

FormFactor, Inc. in Livermore, CA is seeking a Sr Principal Process Development Engineer to own SMT processes for probe card PCB assembly, ensuring high-quality soldering, stable process capability, and consistent output across placement, reflow, and inspection stages.

You will provide technical leadership for SMT line performance, defect reduction, equipment improvements, and cross-functional integration with plating, lithography, and electrical test teams, while driving continuous improvement