Coherent Corp logo

Test Development Engineer

Coherent Corp

On-site
Santa Clara, CA
Full-time
Mid Level
2+ yrs
Salary not listedPosted 36m ago

Real job — pulled straight from Coherent Corp’s careers page · Verified September 8, 2026 · No reposts.

Job description

Coherent Corp is hiring a Test Development Engineer — a full-time, based in Santa Clara, CA role. Apply directly on Coherent Corp's careers page below.

Test Development Engineer

Location: Santa Clara, CA, United States

Primary Duties & Responsibilities

  • Develop software solutions for signal waveform pre-processing, analysis, and post-processing, using a variety of signal types, including PAM4, to compute critical performance metrics.

  • Develop test software related to test measurement systems for the electrical testing of laser diodes and VCSELs.

  • Design and implement advanced testing and automation methodologies utilizing Image Processing and Machine Learning.

  • Collaborate with hardware and software development engineers to develop test solutions for deployment in a manufacturing setting.

  • Work with cross-functional teams to understand diverse requirements and deliver software solutions for problem-solving.

  • Drive continuous improvement and development of proprietary software for the Finisar test suite, mainly developed in C/C++, VB.Net, C#.Net, and Python.

Education & Experience

  • Bachelor’s or Master’s degree in Engineering, with a strong foundation in Digital Signal Processing.

  • 2-4 years of experience in code development using C/C++, C#, .Net, Python, MATLAB, with specific experience in signal processing for high-speed data communications.

  • Experience with PAM4 signal processing is considered an advantage but not required.

  • Demonstrated proficiency in applying signal processing techniques to high-speed data communications.

Skills

  • Advanced programming skills in .NET languages and Python, with a specific focus on digital signal processing and analysis.

  • Proficiency in data analysis and experience with hardware interfacing, SDLC, multi-threaded programming, and system programming & integration.

Strong understanding of high-speed digital data concepts and signal processing techniques, with the ability to apply these skills in the development of cutting-edge transceiver technology

Working Conditions

  • This position is predominantly onsite
  • May require occasional off-site meetings or travel
  • Regular use of a computer and other office equipment is necessary
  • Interaction with team members and external contacts is a regular part of the job
  • May require occasional overtime and flexibility in work hours to accommodate the executive’s needs

Physical Requirements

  • Sitting for extended periods while working on a computer or conducting 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.
  • Mobility within the office environment to attend meetings or interact with colleagues.

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.


 

If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.


 

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: We are in search of a Test Engineer with expertise in Digital Signal Processing and Analysis to enhance our high-speed transceiver module development. This role is pivotal in our in-house software development efforts, aimed at improving the performance and reliability of our transceiver modules through advanced signal processing techniques. While specific experience with PAM4 signal waveform processing and analysis is an advantage, our focus is on leveraging a broad range of digital signal processing skills to push the boundaries of what our high-speed transceivers can achieve.

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Frequently asked questions

What skills are required for Test Development Engineer at Coherent Corp?

The required skills for Test Development Engineer at Coherent Corp include: C++, C#, Python, Matlab, Machine Learning.

What is the seniority level for Test Development Engineer at Coherent Corp?

Test Development Engineer at Coherent Corp is a Mid Level level position.

How do I apply for Test Development Engineer at Coherent Corp?

You can view the full description and apply for Test Development Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-test-development-engineer-2vpfq.