Nan Z.

Experience

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  Sercomm

  Jul 2006 - Jan 2008

  Field Application Engineer

  • Conducted product function testing and provided technical support to consumers.• Diagnosed network problems using Sniffer tools and provided solutions.• Trained junior engineers and consumers.

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  Huawei Technologies

  Jan 2008 - Jan 2010

  System Test Engineer

  • Conducted gray box testing to ensure the proper functioning of individual components within Huawei Router's new-generation software platform and verified the correctness of communication between these components. • Participated actively in requirement reviews and test plan development, contributing insights to enhance testing processes and align them with project objectives. • Leveraged TCL and Ruby for testing purposes, executing manual and automated test cases to validate daily builds and ensure continuous improvement in software quality. Show less

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  Calix

  Jan 2010 - Dec 2017

  Software Testing Engineer

  • Tested cloud-based Calix Access Network device management systems, encompassing GPON, EPON, and manual test functions, ensuring seamless operation and reliability.• Played a key role in product requirement reviews, test plan development, and test case creation, following agile methodologies to ensure efficient and effective testing processes.• Utilized Robot Framework, Selenium, and Python for automated testing, maintaining test scripts to streamline testing procedures and enhance productivity.• Provided valuable support for projects based in the United States, contributing to successful project delivery and client satisfaction. Show less

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  ZTE Corporation

  Jan 2018 - Aug 2018

  Testing System Engineer

  • Conducted comprehensive solution tests for ZTE Routers, ensuring adherence to carrier requirements and standards.• Tested various functionalities including MPLS, BGP, NSR, and more to verify performance and reliability under different network conditions.

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  DB Schenker

  Nov 2018 - Jul 2021

  Senior Quality Assurance

  • Led quality assurance efforts for the Cisco BTS Harmonization Project, developing and implementing comprehensive test strategies and cases tailored to Schenker MRP/MES.• Conducted rigorous functional and regression testing for Inbound and Outbound EDI processes and inventory management systems.• Proficient in Microsoft SQL and Oracle SQL, with experience in API testing using Postman.• Employed TestRail and Jira for efficient test case management and bug tracking.• Utilized automation tools such as Robot Framework and Selenium with Python to automate test cases, enhancing testing efficiency and accuracy.• Ensured strict adherence to procedures, processes, and documentation standards throughout the project lifecycle.• Provided L3 support during the production go-live phase, ensuring smooth transition and addressing any issues promptly to minimize downtime and maintain operational continuity. Show less