Principal Verification Engineer

Primary Duties & ResponsibilitiesSoftware development -75% Discuss and review system requirement documents. Collaborate with cross-functional teams to analyze system specifications and technical requirements. Design and develop comprehensive test plans covering functional, performance, and boundary scenarios. Create traceability matrices aligning test cases with system requirements Conduct end to end testing of optical transmission systems including signal integrity validation, network resilience testing (protection switching, failure recovery), L1 performance benchmarking (BER, Q-factor, latency measurements, and L0 performance (optical power, spectrum and OSNR) Develop/maintain Python-based automation script. Implement CI/CD pipelines for regression testing using Jenkins/Gitlab Create test summary report for each release Maintain daily sanity tests and run regression tests in each software load. Perform regression testing for software/hardware upgrades. Teamwork and Support -25% Review customer requirements or issues and propose investigation action l Design new test cases based on customer findings or new feature requests Execute test cases on new software loads and generate test report Develop automation scripts for regression test Education & Experience BA or BS in Engineering or Computer Science required. 7+ years of experience in communication systems verification test Experiencein automated northbound interface testing: Netconf/YANG, CLI, SNMP. Experience with DWDM optical systems, familiar with EDFA, WSS, OCM and OTDR Experience with Transponder product, familiar with 100G, 400G, 800G L1 optical module. Experiencein testing Linux based embedded systems. Experiencein Python or other script language for automation test. Experience in network protocols such as TCP/IP, Ethernet, OTN Experience in lab bench debugging tools oscilloscopes,optical spectrum analyzers Skills Programming languages: Python. Familiar with VS code environment. The ability to work independently with guidance from supervisor on specific tasks. Able to work and deliver on an aggressive schedule Self-starter, highly motivated, dedicated and teamwork oriented Good written and oral communication skills in English. Knowledge of Chinese is an asset Working Conditions 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 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. CultureCommitment 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

Created: 2025-11-28