Lumilens - Optical Manufacturing Test Engineer
Requirements
• Bachelor’s degree in Electrical Engineering, Industrial Engineering, Physics, Computer Science, or related field, plus 7 years hand-on experience in software testing and test automation of optical transceiver products including Silicon Photonics. Experiences in transceiver module tests at 400G, 800G, 1.6T, etc., are preferable. • In-depth technical knowledge and hands-on experience in yield analysis, problem solving, and implementation of manufacturing processes. • Familiarity with processor communication interfaces and test automation tools. • Data query and data analysis skills, using statistical tools and techniques. • In-depth understanding and practical experience in SPC, GR&R, tester correlation, and report generation. • Experience and skill in C# and/or Python with database integration: SQL, NoSQL for test data logging and analysis is a plus • Ability to write or adapt scripts for automation (Python, LabVIEW, Visual Basic; Shell scripting is a plus) • Strong experience with unit and integration testing. • Good understanding of Layer 1 and Layer 2 networking protocols. Experience with optical testing, network switches, and traffic generators like IXIA. • Familiar with OOP concepts such as class, interface, inheritance and polymorphism • Familiar with Windows Form or WPF • Hardware communication protocols: NI-VISA, SCPI, RS-232, TCP/IP. • Proficiency with version control tools and workflows: Github, Bitbucket or SVN. • Experience in ongoing reliability testing and quality control best practices. • In depth understanding of the quality management system and quality standard requirements. • Capable of managing multiple test projects and priorities in a fast-paced environment. • Ability to work well in a geographically diverse cross-functional team. • Good command in English communication both verbal and written, including in-person and virtual presentation skills. Able to train and mentor peers when needed.
Responsibilities
• Collaborate with design engineering and manufacturing teams to define and develop test software for high-volume manufacturing of high-end optical components. • End-to-end manufacturing test ownership: Ensure all modifications and upgrades to test and manufacturing software are under change control and follow established QMS requirements. This includes monitoring software revision control, bug tracking, tester updates, regression testing, test logs, etc. • Keep documentation and test specifications up to date. Use systematic processes for test cases, results and defect management. • Proficient in using version control systems like Github/Bitbucket • Perform functional, regression, and performance testing on Layer 1 and Layer 2 network systems. Validate hardware and software integration with optical interfaces and network switches. Configure and use traffic generators (e.g., IXIA) to simulate network environments and evaluate performance. • Develop, maintain, and execute automated test cases in Python. • Continuously improve test frameworks and methodologies. • Integrate test software with cloud monitoring and reporting tools • Collaborate with developers and hardware engineers to identify, reproduce, and resolve defects. Support troubleshooting and root cause analysis to resolve product issues. • Responsible for analyzing, defining, developing, and executing continuous improvement plans to achieve test yield, cycle time, throughput, and scrap reduction. • Collaborate with quality teams for the planning and execution of qualification testing. • Collaborate with design teams and process engineering to ensure design for manufacturing (DFM) and design for test (DFT) guidelines are met. • Generate comprehensive test reports for internal and external stakeholders. • Develop and implement troubleshooting guidelines and automated tools, templates, and data analysis for testers and products in manufacturing. • Collaborate with software engineers, IT and database architects to define better solutions to manage and analyze manufacturing test data.
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