Test Development Engineer

Primary Duties & ResponsibilitiesDevelop 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 & ExperienceBachelor’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.SkillsAdvanced 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 technologyWorking ConditionsThis position is predominantly onsiteMay require occasional off-site meetings or travelRegular use of a computer and other office equipment is necessaryInteraction with team members and external contacts is a regular part of the jobMay require occasional overtime and flexibility in work hours to accommodate the executive’s needsPhysical RequirementsSitting 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 RequirementsAll employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.Quality and Environmental ResponsibilitiesDepending 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 CommitmentEnsure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:Integrity – Create an Environment of TrustCollaboration – Innovate Through the Sharing of IdeasAccountability – Own the Process and the OutcomeRespect – Recognize the Value in EveryoneEnthusiasm – Find a Sense of Purpose in WorkCoherent 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 View email address on click.appcast.io 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. Full timePosting Date: 2026-09-03