Senior Optical Process Engineer - Wire Bond & Assembly

Doist; San Jose (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Lumilens in San Jose is seeking an experienced Process Engineer to own and optimize manufacturing processes for 800G and 1.6T transceivers, including die attach, wire bond, and active alignment. This hands-on role partners with contract manufacturers, suppliers, and design teams to drive yield, throughput, and quality in high-volume production.

You will develop process specs, control plans, and equipment algorithms, lead change control under QMS, and apply data analytics and SPC to root out

Qualifications

• Bachelor's degree in Electrical/Industrial/Mechanical Engineering or related field.
• 7+ years in high-volume optical transceiver and/or laser manufacturing.
• Hands-on experience with die attach, wire bond, and active alignment.
• Strong data analysis, SPC, and QMS understanding.

Responsibilities

• Define, develop, prove out, and deploy manufacturing processes across transceiver assembly.
• Own process documentation: specs, work instructions, control plans, FMEA.
• Lead or support equipment selection and new equipment introduction.
• Collaborate with design engineering and contract manufacturers to ensure DFM.
• Plan qualification, reliability, and burn-in testing for new products.
• Analyze yield data to identify root causes and drive CAPA actions.
• Automate processes to support scale-up and high-volume production.

Skills

Wire bond

Die attach

Active alignment

Process development

SPC

QA/QMS

Data analysis

Cross-functional

Education

Bachelor's degree in Electrical/Industrial/Mechanical Engineering

Tools

Statistical tools (SPC)

DFM guidelines

Quality management systems

Job description

Lumilens in San Jose is seeking an experienced Process Engineer to own and optimize manufacturing processes for 800G and 1.6T transceivers, including die attach, wire bond, and active alignment. This hands-on role partners with contract manufacturers, suppliers, and design teams to drive yield, throughput, and quality in high-volume production.

You will develop process specs, control plans, and equipment algorithms, lead change control under QMS, and apply data analytics and SPC to root out