System Integration Engineer III (E3) (Semiconductor)

Location: Santa Clara, California, United States. The role includes hands-on laboratory and manufacturing work, on-site customer support, installation and qualification activities, and travel up to 25% of the time. Relocation eligible.

Salary: $138,000–$190,000 per year, plus potential bonus and stock awards.

Company

hirify.global develops materials science, engineering solutions, and semiconductor manufacturing equipment used in advanced chips and displays.

What you will do

• Assemble, integrate, and functionally test complex optical, opto-mechanical, and electro-mechanical subsystems.
• Own system test procedures, calibration routines, diagnostic protocols, and technical records.
• Troubleshoot system-level hardware issues, perform root-cause analysis, and communicate findings to engineering teams.
• Support design verification and validation, including design-for-build and design-for-test feedback.
• Develop build documentation, work instructions, and test procedures for manufacturing ramp.
• Provide technical guidance to junior engineers and lab technicians and support customer installation and qualification activities.

Requirements

• Bachelor’s degree in Physics, Electrical Engineering, Mechanical Engineering, Optical Engineering, or a related technical field.
• 3+ years of hands-on experience with complex optical, electro-mechanical, or opto-mechanical systems.
• Independent, methodical troubleshooting of system-level hardware issues.
• Ability to read engineering drawings, assembly schematics, and test procedures.
• Experience with interferometers, power meters, optical alignment tools, or similar test and measurement equipment.
• Experience with cleanroom environments, ESD, contamination control, data analysis, and technical documentation.

Nice to have

• Semiconductor capital equipment experience.
• Experience with optical instrumentation, laser-based systems, precision opto-mechanical equipment, calibration, system metrology, or optical alignment.
• Experience with manufacturing ramp, installation, field service, or multiple product development and production lifecycles.
• Proficiency in Python or MATLAB for test data analysis.

Culture & Benefits

• Supportive work culture focused on learning, development, and career growth.
• Comprehensive employee benefits supporting health and wellbeing.
• Potential eligibility for bonus and stock award programs.
• Regular travel of approximately 25% is part of the role.