Coherent

Senior Design Engineer

Coherent • $100K — $130K *
Sizerock, KY 41762In-Person
Telecommunications & Hardware
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • PhD in photodiodes design or 3+ years relevant experience.
  • Experience in optoelectronic device design and simulation.
  • Familiarity with epi materials growth and development for photodiodes.
  • Background in wafer front and backend processes.
  • Strong analytical, problem-solving skills, and ability to work in cross-functional teams.
  • Excellent written and verbal communication skills.

Responsibilities

  • Design and develop high-speed, high-sensitivity InGaAs/InP photodiodes.
  • Support product development from concept to manufacturing.
  • Collaborate with engineers to optimize device structures and growth processes.
  • Develop characterization plans and analyze device performance with the reliability team.
  • Evaluate performance through testing and recommend design improvements.
  • Work with fabrication teams to implement advanced manufacturing technologies.
  • Troubleshoot technical issues and drive performance improvements.
  • Document designs and contribute to innovation initiatives.

Benefits

  • On-site work in Fremont, CA, fostering team collaboration.
  • Engagement with innovative projects in photodiodes and optical communications.
  • Involvement in intellectual property development and emerging technologies.
  • Opportunity to work in a multi-functional team environment, enhancing cross-disciplinary skills.
Full Job Description
Job Description

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.

About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Manufacturing & Automotive
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ
COHR
* Ladders Estimates

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