
At Lumilens, we are building the essential photonics infrastructure that will drive tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is ushering in a new era of computing that is faster, cooler, and dramatically more efficient. We’re a well-funded startup backed by Mayfield and led by veterans who have built and scaled some of the industry’s most transformative technologies.
We are looking for hands-on, detail-oriented Technicians to support 24/7 manufacturing operations at our Bulim facility. In this role, you will perform day-to-day equipment maintenance, line setups, basic troubleshooting, and real-time failure analysis to maximize line uptime and throughput.
Specialization Tracks
SMT Process Technician: Set up feeders, perform nozzle changes, conduct stencil inspections, and monitor solder paste/reflow processes.
Test Maintenance Technician: Perform preventive maintenance (PM) and first-line troubleshooting on test fixtures, cable harnesses, and pneumatic/electronic test stations.
Debug / FA Technician: Perform board-level diagnostics, schematic tracing, multimeter/oscilloscope measurements, and precision solder rework on non-conforming units.
Key Responsibilities
Perform shift-level equipment setup, calibration, and routine preventive maintenance to ensure high equipment availability.
Respond rapidly to line-down calls, clear equipment errors, and log error codes in the MES/maintenance tracking system.
Perform component-level touch-ups, fine-pitch soldering, and manual inspection following IPC standards.
Assist engineers in executing line qualifications, engineering runs, and yield improvement actions.
Adhere strictly to cleanroom, 5S, and Workplace Safety and Health (WSH) protocols.
Qualifications & Requirements
Diploma or Higher Nitec / Nitec in Mechanical, Electrical/Electronic, Mechatronics, or Manufacturing Technology.
1+ years of experience in a high-volume manufacturing, electronics assembly, or SMT plant environment.
Hands-on proficiency with basic hand tools, multimeters, oscilloscopes, and soldering/desoldering equipment.
Willingness to work rotating 12-hour shifts (Day/Night) on-site at the Bulim plant.
Competitive salary and benefits
Opportunities for career advancement
Work with a world-class team solving cutting-edge challenges
Collaborative and innovative work environment
Lumilens is committed to building a diverse and inclusive workplace. We are proud to be an equal opportunity employer.

Lumilens addresses the red hot market for AI data center infrastructure by designing, manufacturing and selling photonic interconnect solutions. We design and use custom robotics + AI in our factories to more efficiently build our products.
Lumilens is backed by top-tier venture capital investors including Mayfield and Spark Capital.