Senior Mechanical Engineer, Semiconductor Metrology

Onto Innovation; Milpitas (CA); On-site; USD 128,000 - 192,000; Full time

Benefits offered by this job

Health insurance

Dental & Vision

PTO

401(k) with match

ESPP

Life & disability insurance

Wellness program

Job summary

Onto Innovation in Milpitas, CA is seeking a Senior Mechanical Engineer to sustain released Metrology products, introduce new designs, and upgrade mechanical and opto‑mechanical subsystems across Manufacturing and Service environments.

You will design hardware components, integrate optical mounts, test fixtures, and ensure compliance with CE and UL standards, while collaborating with multiple engineering teams.

Qualifications

• B.S. in Mechanical Engineering or equivalent.
• 5+ years of mechanical engineering experience.
• Proficiency with SolidWorks.
• FEA capability.
• Experience designing semiconductor equipment preferred.
• Strong verbal and written communication.

Responsibilities

• Plans, designs and develops hardware components and systems for existing and new products.
• Designs mechanical interfaces including mounts, enclosures, frames, and motion control devices.
• Designs mechanical test fixturing for reliability testing and manufacturing support.
• Supports certification to CE and UL standards.
• Oversees build/test of new designs and prototypes.
• Generates procedures and documentation for assembly and manufacturing.
• Coordinates with cross-functional teams to integrate designs into broader systems.
• Collaborates with Supply Chain to ensure supplier conformance.

Skills

SolidWorks

FEA

First principles

Communication

Team collaboration

Education

B.S. in Mechanical Engineering

Job description

Onto Innovation in Milpitas, CA is seeking a Senior Mechanical Engineer to sustain released Metrology products, introduce new designs, and upgrade mechanical and opto‑mechanical subsystems across Manufacturing and Service environments.

You will design hardware components, integrate optical mounts, test fixtures, and ensure compliance with CE and UL standards, while collaborating with multiple engineering teams.