System Integration Engineer, Optical III (E3) (Semiconductor)

Location: Santa Clara, CA, United States. On-site role with 25% domestic and international travel, flexible hours for lab builds and cross-timezone collaboration. Relocation is not eligible.

Salary: $138,000–$190,000 per year.

Company

hirify.global develops materials science and engineering solutions, equipment, and services for semiconductor chips and advanced displays.

What you will do

• Assemble, integrate, and functionally test complex optical 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.
• Create build documentation, work instructions, and test procedures for manufacturing ramp; improve reliability, build efficiency, and test coverage.
• Guide junior team members and lab technicians and support on-site customer installation and qualification activities.

Requirements

• Associate's degree or BS in Physics, Electrical Engineering, Mechanical Engineering, Optical Engineering, or a related technical field; equivalent technical training with extensive hands-on experience may be considered.
• 3+ years of hands-on experience with complex electro-mechanical or opto-mechanical systems; semiconductor equipment experience is strongly preferred.
• Ability to troubleshoot and resolve system-level hardware issues independently and methodically.
• Ability to read and interpret engineering drawings, assembly schematics, and test procedures.
• Familiarity with test and measurement equipment, including oscilloscopes, power meters, spectrometers, and alignment tools.
• Experience in or around cleanroom environments, with awareness of ESD and contamination-control practices.
• Data collection and analysis skills, plus strong written and verbal communication for documenting issues and resolutions.
• Experience supporting products through multiple development or production lifecycles is highly desirable.

Nice to have

• Optical instrumentation, laser-based systems, or precision imaging experience.
• Calibration procedures, system metrology, or optical alignment experience.
• Manufacturing ramp, installation, or field service experience.
• Experience with structured engineering teams, change control, and documentation systems.
• Knowledge of SECS/GEM automation or fab integration concepts.
• Python or MATLAB experience.
• Mandarin or Korean bilingual skills for customer-site collaboration.

Culture & Benefits

• Supportive environment focused on learning, professional development, and career growth.
• Health and wellbeing programs and a comprehensive benefits package.
• Regular employment with potential eligibility for bonus and stock awards, as applicable.
• Flexible hours are required to support lab builds, validation runs, and cross-timezone collaboration.