Senior Design Engineer

Location: Fremont, CA, United States

Primary Duties & 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. manufacturing technologies.

Education & Experience

• PhD in photodiodes design and development or with 3+ years of relevant experience
• 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.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

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.

About Us

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.


Job Summary: At our Fremont, California facility, you'll work with a talented team of engineers developing innovative photonic technologies that enable the future of high-speed communications and advanced sensing. You'll have the opportunity to contribute to breakthrough products while collaborating across device design, epitaxy, fabrication, testing, and manufacturing to bring next-generation optoelectronic solutions to market. Are you passionate about advancing the next generation of optoelectronic technologies? We are seeking an experienced Senior Photodiode Design Engineer to design and develop high-speed, high-sensitivity InGaAs/Indium Phosphide (InP) photodiodes that power high-speed optical transceivers and other leading-edge photonic applications. If you thrive in a collaborative, innovation-driven environment and enjoy solving complex engineering challenges, we invite you to join our team.