Mechanical Design Engineer

Job Title : Mechanical Design Engineer

Location : Sunnyvale, CA (100% On-site)

Experience : 2 4 Years

Duration : 12+ Months contract

Work Authorization : U.S. Citizen or Green Card only

Role Overview

This role focuses on designing and developing precision mechanical systems used for test and calibration of advanced optical and vision-based products. The work supports manufacturing and new product introduction for high-performance imaging systems such as optical assemblies, vision modules, and display-related hardware. The position is hands-on, highly collaborative, and rooted in real-world manufacturing environments.

Key Responsibilities

Design and develop mechanical assemblies and subsystems for test and calibration equipment

Create detailed 3D models, drawings, and assemblies using SolidWorks

Support development of opto-mechanical fixtures, alignment tools, and precision mechanisms

Collaborate closely with product design, test software, process engineering, and manufacturing teams

Translate product requirements into reliable, manufacturable equipment designs

Develop and maintain engineering documentation including specifications, BOMs, assembly procedures, and maintenance guides

Participate in design reviews, tolerance analysis, and failure investigations

Improve equipment performance related to accuracy, repeatability, reliability, and throughput

Support prototype builds, debugging, and validation testing in lab and factory environments

Assist with transition of equipment designs from development to production

Required Qualifications

2 4 years of hands-on experience in mechanical or equipment design

Strong proficiency in SolidWorks for part and assembly design

Bachelor's or Master's degree in Mechanical Engineering, Opto-Mechanical Engineering, Mechatronics, or a related discipline

Experience designing equipment for medium to high-volume manufacturing environments

Exposure to precision mechanical or opto-mechanical systems

Experience supporting new product development and production ramp activities

Strong documentation skills, including engineering specs, assembly instructions, and maintenance documentation

Preferred Experience

Background in optical, imaging, or vision-based systems

Experience with tolerance stack-ups, GD&T, and precision alignment mechanisms

Familiarity with test equipment development or calibration systems

Hands-on experience working in manufacturing or production support settings

Work Environment

100% on-site role in a lab and manufacturing-focused setting

Fast-paced, engineering-driven environment with close cross-functional collaboration

Direct involvement from concept design through deployment and production support