Senior Design Engineer

II-VI UK, Ltd.; Fremont (CA); On-site; USD 130,000 - 190,000; Full time

Job summary

Coherent Corp. in Fremont, CA is seeking an engineer to design, simulate, and develop high-speed, high-sensitivity InGaAs/InP photodiodes for optical transceivers and next-generation optoelectronic applications.

You will collaborate with epitaxial growth and process engineers, lead device characterization, and coordinate reliability qualification with test teams to drive performance, yield, and reliability in manufacturing.

Qualifications

• Experience in optoelectronic device design and simulation.
• Familiarity with photodiodes.
• Epi materials growth and development.
• Wafer front-end and back-end process understanding.
• Testing and characterization of devices.
• Strong analytical and problem-solving abilities and cross-functional collaboration.
• Excellent written and verbal communication skills.

Responsibilities

• Design, simulate, and develop high-speed, high-sensitivity InGaAs/InP photodiodes for optical transceivers and related applications.
• Support product development from concept through qualification and manufacturing, ensuring performance and reliability.
• Collaborate with epitaxial growth and semiconductor process engineers to optimize device structures and fabrication processes.
• Coordinate reliability qualification activities with test and reliability engineers.
• Evaluate device performance through electrical and optical characterization and recommend design improvements.
• Partner with wafer fabrication teams and external manufacturers to advance manufacturing technologies.
• Analyze data, troubleshoot issues, and drive improvements in performance, manufacturability, and yield.
• Document methodologies, results, and findings for IP development and innovation.
• Stay current with emerging photodiode tech and III-V semiconductor trends.

Skills

Photodiode design

Epi structures

Wafer process flows

Device characterization

Product qualification

Job description

Responsibilities

Design, simulate, and develop high-speed, high-sensitivity InGaAs/InP photodiodes for optical transceivers and next-generation optoelectronic applications.

Support product development from concept through qualification and manufacturing, ensuring performance, quality, and reliability objectives are achieved.

Collaborate with epitaxial growth and semiconductor process engineers to define and optimize device structures, epitaxial designs, and fabrication processes.

Work closely with test and reliability engineers to develop characterization plans, analyze device performance, and coordinate reliability qualification activities.

Evaluate device performance through electrical and optical characterization and recommend design improvements based on test results.

Partner with internal wafer fabrication teams and external manufacturing partners to develop and implement advanced manufacturing technologies.

Analyze engineering data, troubleshoot technical issues, and drive continuous improvements in device performance, manufacturability, and yield.

Document design methodologies, experimental results, and technical findings while contributing to intellectual property development and innovation initiatives.

Stay current with emerging technologies and industry trends in photodiodes, optical communications, and III-V semiconductor devices.

Qualifications

• Optoelectronic device design and simulation
• Familiar with photodiode
• epi materials growth and development
• wafer front process and backend process.
• test and characterization.
• Strong analytical and problem-solving skills with the ability to work effectively in cross-functional engineering teams.
• Excellent written and verbal communication skills.

Skills

• Understand the architectural designs of high-speed and high-sensitive InGaAs / InP photodiodes
• Support design high-speed and high-sensitive photodiode epi structures
• Support design both front- and back-end wafer process flows
• Support and Perform device characterization
• Support product qualification and release

Working Conditions

• This role will be based on-site in Fremont, CA.
• Regular use of a computer and other office equipment is necessary.

Physical Requirements

• Sitting for extended periods while working on a computer or in meetings.
• Use of hands and fingers for typing, writing, and handling documents.
• Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
• Ability to communicate verbally and in writing.

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.