Sr. Wafer Fab Engineer (Semiconductors)

TL;DR

Sr. Wafer Fab Engineer (Semiconductors): Developing and optimizing silicon-based MEMS fabrication processes for cavity laser filters with an accent on yield improvement and performance. Focus on leading compound semiconductor fabrication projects, implementing advanced wafer bonding techniques, and coordinating with external foundries.

Location: Onsite in Billerica, MA, US

Salary: $120,000 - $160,000 annually

Company

Global technology leader in photonics specializing in MEMS and micro-scale optical devices for biomedical, semiconductor, and aerospace sectors.

What you will do

• Develop and support wafer fabrication processes for MEMS, VCSELs, micro-optics, and PICs.
• Lead advanced fabrication R&D projects within the on-site cleanroom.
• Collaborate with Manufacturing to identify process improvements and reduce scrap.
• Track process capability and variation throughout the value stream to drive continuous improvement.
• Support Ni-electroplated microstructure production.
• Implement and maintain in-process routings, work instructions, and technical specifications.

Requirements

• BS in Electrical Engineering, Materials Science, or a related discipline.
• Experience with photolithography, dry etch, wet etch, metal PVD, and PECVD.
• Proficiency in metrology techniques including optical microscopy, profiling, and SEM.
• Knowledge of wafer bonding techniques, substrate constraints, and thermal budgets.
• Must be authorized to work in the US; visa sponsorship is not available.
• Compliance with International Traffic in Arms Regulations (ITAR) is required.

Nice to have

• Experience with MEMS device fabrication.
• Familiarity with Ni electroplating.
• Basic understanding of DOE and SPC concepts.

Culture & Benefits

• Work with cutting-edge photonic innovation and advanced MEMS technology.
• High-impact role contributing to both technology development and manufacturing strategy.
• Collaborative environment spanning silicon MEMS and III-V materials domains.