Principal Process Integration Engineer

Mojo Vision is pioneering a highly flexible, wafers-in, wafers-out micro-LED platform to unlock AI applications in multiple market segments. Built over nine years by our skilled engineers, our system-level process combines advanced 300mm silicon architecture with GaN-on Silicon emitters, proprietary quantum dots, and micro-lens arrays to solve conventional trade-offs in size, brightness, bandwidth density, and power. Our scalable, manufacturing-ready approach enables breakthrough products such as AI glasses and next generation optical interconnects.

At Mojo, our team includes talented professionals with expertise in product design, user experience, applied physics, hardware, software, optics, photonics, electronics, chemistry and vision science.

We are a startup founded by technology experts with decades of experience developing pioneering products and platforms backed by some of the world’s leading technology investors in Cupertino, CA.

You will help support the next-generation Data Communication Transceivers for AI infrastructure using Mojo’s unique technology.

Roles and Responsibilities:

This is a senior technical position with broad responsibilities across Mojo Vision’s core Micro-LED device development program. The role encompasses process flow development, process integration, coordination with external fabrication partners, and collaboration with upstream and downstream teams to enhance device performance.
As a fab-light company, Mojo Vision designs and fabricates devices through close partnerships with world-class fabrication, development, and equipment vendors, while executing select novel processes internally.
The successful candidate will play a key role in the development, fabrication, and characterization of Mojo Vision’s Micro-LED displays. Mojo Vision owns the device design and process flow and is accountable for supply and quality delivered to product customers.
The ideal candidate will have deep experience in semiconductor and optoelectronic processes, equipment, design, and materials, along with a strong track record of managing technical relationships with external suppliers. They must be able to communicate clearly and concisely, proactively identifying and addressing issues before they escalate

Required Qualifications:

PhD or 5+ years’ experience
Experience with characterization of GaN/Si optical devices, particularly at high power density.
Solid understanding of device physics and manufacturing processes related to GaN/Si epi and optical device fabrication and integration into systems.
Excellent interpersonal skills and demonstrated ability to work in a collaborative, innovative, high-energy environment with challenging schedules and technologies.
Proven hands-on experience in process development and integration within an industrial cleanroom environment.
Familiarity with a wide range of semiconductor process modules, including: Lithography, Dry and wet etch, Deposition, Metrology, Plating, Chemical Mechanical Planarization (CMP), Damascene processes
Proficient in using and analyzing data from process equipment.
Strong background in process control methodologies such as: Design of Experiments (DOE), Statistical Process Control (SPC) charts, Failure Mode and Effects Analysis (FMEA), Failure Analysis and Corrective Action (FACA)
Demonstrated ability to proactively identify fabrication issues, perform root cause analysis, and implement corrective actions.
Fabrication experience with III-V devices, specifically uLEDs is preferred.
Experience with layout tools, specifically dw-2000.
Excellent communication and interpersonal skills, with a track record of effective cross-functional and cross-cultural collaboration.
Proven ability to lead and manage multiple technical projects simultaneously.
Solid understanding of optoelectronic III-V devices, with the ability to provide technical assessments and guidance.
Willingness to travel domestically up to 15%, based on program needs.
Ph.D. preferred.
Master’s or Ph.D. in Materials Science, Electrical Engineering, or a related field.
5–10+ years of experience in optoelectronic and/or semiconductor device development.

Qualifications:

PhD or 5+ years’ experience
Experience with characterization of GaN/Si optical devices, particularly at high power density.
Solid understanding of device physics and manufacturing processes related to GaN/Si epi and optical device fabrication and integration into systems.
Excellent interpersonal skills and demonstrated ability to work in a collaborative, innovative, high-energy environment with challenging schedules and technologies.
Strong attention to detail with the ability to set and keep an aggressive timeline.

Based on Experience:

Level: Principal Engineer Salary Range: $188K to $225K

Level: Distinguished Engineer Salary Range: $217K to $265K

To apply, email your resume to careers@mojo.vision