Test Development Engineer

Posted Yesterday
Be an Early Applicant
2 Locations
In-Office
Mid level
Industrial • Manufacturing
The Role
Develop test software and automation for electrical testing of laser diodes and VCSELs. Build signal waveform preprocessing, analysis, and post-processing solutions for high-speed communications, including PAM4 metrics. Apply image processing and machine learning to testing methodologies, interface with hardware, and collaborate with engineering teams to deploy manufacturing test solutions. Maintain proprietary test-suite software using C/C++, .NET languages, Python, and related technologies.
Summary Generated by Built In

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 [email protected].


About UsCoherent 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.


Skills Required

  • Bachelor's or Master's degree in Engineering
  • 2-4 years of code development experience using C/C++, C#, .NET, Python, or MATLAB
  • Experience with signal processing for high-speed data communications
  • Proficiency in digital signal processing and analysis
  • Advanced programming skills in .NET languages and Python
  • Experience with data analysis, hardware interfacing, SDLC, multithreaded programming, and system programming and integration
  • PAM4 signal processing experience

Coherent Corp. Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Coherent Corp. and has not been reviewed or approved by Coherent Corp..

  • Healthcare Strength Healthcare Strength: Health coverage includes multiple national and region-specific options (UHC HDHP/HSA, PPO, EPO; Kaiser in CA; Health Net in OR) plus separate dental (Delta Dental) and vision (VSP), indicating strong breadth and choice. This breadth supports a solid total package in certain roles and locations.
  • Equity Value & Accessibility Equity Value & Accessibility: An Employee Stock Purchase Plan allows buying shares at 85% of market price with contributions up to 10% of pay, expanding ownership access. This feature can materially bolster total rewards even when base pay is mid‑pack.
  • Leave & Time Off Breadth Leave & Time Off Breadth: Paid time off includes 15 vacation days for new hires, 10 paid holidays, and additional paid time during a December shutdown. This structure provides a clear and competitive baseline for time away from work.

Coherent Corp. Insights

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The Company
HQ: Saxonburg, PA
3,569 Employees

What We Do

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Headquartered in Saxonburg, Pennsylvania, Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at coherent.com.

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