Test Development Engineer

Coherent Corp.; Fremont (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Coherent Corp. is seeking an engineer to develop software for signal waveform pre‑processing, analysis, and post‑processing. You will handle PAM4 signals to compute critical metrics and contribute to testing software for laser diodes and VCSELs in a manufacturing setting.

You will collaborate with hardware and software teams to create automated testing solutions, apply image processing and machine learning, and help advance the Finisar test suite using C/C++, VB.Net, C#.Net, and Python.

Qualifications

• Bachelor’s or Master’s degree in Engineering with a strong foundation in Digital Signal Processing.
• 2–4 years of code development experience in C/C++, C#, .Net, Python, MATLAB, with signal processing for high‑speed data communications.

Responsibilities

• Develop software solutions for signal waveform pre-processing, analysis, and post-processing, including PAM4, to compute key metrics.
• Develop test software for measurement systems in laser diodes and VCSELs.
• Design advanced testing and automation using image processing and machine learning.
• Collaborate with hardware and software engineers to deploy test solutions in manufacturing.
• Deliver software solutions for diverse cross‑functional requirements.
• Contribute to continuous improvement of the Finisar test suite in C/C++, VB.Net, C#.Net, and Python.

Skills

C/C++

C#

Python

MATLAB

.NET

Signal processing

Education

Bachelor's or Master's in Engineering

Job description

Job Summary

• 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.

Job Description

• 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.

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 [e-mail].

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!