Semiconductor Process Engineer

Quantum Computing Inc.; Wilmington (MA); On-site; USD 110,000 - 170,000; Full time

Job summary

Quantum Computing Inc. seeks a Semiconductor Process Engineer to join the Photonics division, focusing on wafer-based optoelectronic devices. You will develop and optimize III‑V avalanche photodetectors and laser diodes, guiding technicians and improving fabrication workflows.

You will work with in‑house wafer fabrication to advance device performance, ensure safety in the clean room, and support certification efforts for quality systems.

Qualifications

• BS or MS in Electrical Engineering or Materials Science.
• 4+ years hands-on experience with compound semiconductor device fabrication.
• Strong knowledge of semiconductor process technology and device physics.
• Ability to work independently with minimal supervision.
• Strong organizational, analytical, and problem‑solving skills.
• Proficiency with DOE and SPC concepts.
• Excellent documentation and written/oral communication skills.
• Experience with clean room processing techniques.
• Dexterity for handling wafers; safety in clean room.

Responsibilities

• Develop new fabrication processes and define new process flows.
• Continuously improve existing fabrication processes and process flows.
• Work with device designers to fabricate and optimize new photonic devices.
• Develop thin film deposition procedures required for new device structures.
• Develop thin film wet etching, RIE, and DRIE as required for device development.
• Perform photolithography mask CAD design and layout.
• Develop wafer diffusion processes for III‑V semiconductors.
• Implement, document, and maintain process run sheets and work instructions.
• Analyze correlations between process attributes and device performance.
• Track process variation and drive continuous improvement initiatives.
• Review new device specifications and analyze requirements against existing capabilities to estimate costs and yields.
• Support the fabrication facility in obtaining and maintaining industry‑standard certifications.

Skills

Semiconductor fabrication

Independent work

Analytical skills

Cleanroom techniques

Wafer handling

Safety

DOE and SPC

Documentation

Communication

Education

Bachelor’s or Master’s in Electrical Engineering or Materials Science

PhD in Electrical Engineering or Materials Science

Job description

Job Title: Semiconductor Process Engineer

Division: Photonics

Department: OptoGration, Inc

About Us

Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated photonics company that provides accessible and affordable quantum machines to the world today. QCi products are designed to operate at room temperature and low power at an affordable cost. The Company’s portfolio of core technology and products offer unique capabilities in the areas of high-performance computing, artificial intelligence, cyber security as well as remote sensing applications.

Position Description

The successful applicant will be part of a team that produces world-class sensors based on photodetectors, diode lasers, and other wafer-based optoelectronic devices for various applications including optical communications, remote sensing (e.g., lidar and laser rangefinding), quantum sensing, high-performance imaging, and photonic integrated circuits. Working collaboratively with the rest of our in‑house wafer fabrication team, the Semiconductor Process Engineer will oversee the development and production of state-of-the‑art III‑V avalanche photodetectors, laser diodes, and other optoelectronic devices. This individual will develop and optimize new device fabrication processes, guide process technicians to successfully complete these fabrication process, improve processing procedures, and identify processing issues. This engineer will also be responsible for the operation of all equipment used during fabrication processes that support both new product development and product manufacturing.

Duties and Responsibilities

• Develop new fabrication processes and define new process flows.
• Continuously improve existing fabrication processes and process flows.
• Work with device designers to fabricate and optimize new photonic devices.
• Develop thin film deposition procedures required for new device structures.
• Develop thin film wet etching, RIE, and DRIE as required for device development.
• Perform photolithography mask CAD design and layout.
• Develop wafer diffusion processes for III‑V semiconductors.
• Implement, document, and maintain process run sheets and work instructions.
• Analyze correlations between process attributes (e.g., metrology data, process conditions, process variation) and device performance (e.g., functional test results).
• Track process variation and drive continuous improvement initiatives.
• Review new device specifications and analyze requirements against existing capabilities to estimate costs and yields for new and existing products.
• Support the fabrication facility in obtaining and maintaining industry‑standard certifications.

Required Skills and Experience

• MS or BS in Electrical Engineering, Materials Science or a related discipline
• 4+ years of hands‑on experience with compound semiconductor device fabrication
• Significant experience with semiconductor process technology and understanding of semiconductor device physics.
• Must be able to work independently with minimal supervision.
• Strong organizational, analytical, and problem‑solving skills.
• Ability to perform critical clean room processing techniques.
• Excellent dexterity for handling semiconductor wafers.
• Comfortable and focused on safety while handling clean room chemicals.
• Proficiency with DOE and SPC concepts.
• Ability to document work and accurately update written procedures.
• Excellent communications skills, both written and oral.

Preferred Qualifications

• PhD in Electrical Engineering, Materials Science, or a related discipline
• Strong working knowledge of semiconductor photodetectors, laser diodes, and optoelectronic device fabrication.
• Experienced with electrical and electro‑optical testing, semiconductor device metrology, and data analysis tools.
• Comprehensive understanding of DOE and SPC concepts.

Quantum Computing Inc. (QCi) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Incumbent(s) in this position may be required to perform other duties and special assignments not specifically stated above. Statements outlined in this section are designated as essential job functions in accordance with the Americans with Disabilities Act of 1990.