# LEI ZHANG > Director of Engineering, Netskope Location: United States, United States Profile: https://flows.cv/leizhang • 20-year industry experience including 10-year first/second line management experience in cyber security, cloud and network monitoring/management areas • Hands-on experience using big data technologies to process large volume of dataset (HDFS, Map-Reduce, Spark/Flink, Kafka, MongoDB, HBASE) • Hands-on experience on building machine leaning model pipeline • Familiar with RDBMS and NoSQL DB ## Work Experience ### Principal Engineer/Director of Engineering @ Netskope Jan 2020 – Present | Sunnyvale, California, United States Within the Netskope Engineering department, the Security Services organization is responsible for building core security products and features, such as Data Loss Prevention, Malware and Threat Prevention, Cloud Confidence Index, Breach and Anomaly Detection. We apply Artificial Intelligence and Machine Learning technologies across Netskope cloud security platform. We are looking for talented software engineers to join our security efficacy engineering team. A successful candidate has deep technical expertise in big data technologies such as Spark, Kafka, MongoDB, and strong large-scale production development experience. You will have the opportunity to work with a team of talented engineers, researchers and data scientists to solve the most challenging cloud security problems. ### Senior Manager/Senior Tech Lead @ Alibaba Group US Inc. (Sunnyvale) Jan 2017 – Jan 2020 | Sunnyvale, California, United States Using big data, machine learning, algorithm, edge technologies to solve internet-wide networking challenges ### Principal Engineer/Manager @ Palo Alto Networks Jan 2014 – Jan 2017 | Santa Clara, California, United States Working on machine learning based, big data analytics, web content categorization system • Develop the next generation of machine learning based web content categorization system to automatically identify the categorization for the web sites, and create and enhance tools to analyze large quantity of data • Work on real-time web crawling, feature generation and classification • Work closely with data scientists to enhance machine learning based systems • Perform server side multi-thread software development and extract information from large data sets; • Perform machine learning experiments on large data set for natural language detection, content classification ### Senior Software Engineer @ Putara Jan 2013 – Jan 2013 | Fremont, California, United States • Designed and implemented a big data analytics system for advertising and marketing • Designed and implemented location based advertisement Software-as-a-Service (SAAS) Application System ### Senior Software Engineer @ Robo7 Jan 2012 – Jan 2012 | San Jose, California, United States • Constructed cloud big data integration middle-ware prototype system to provide a foundation for business intelligence applications • Drafted Robot Web application and Robot Simulation System ### Senior Manager @ Ericsson Jan 2010 – Jan 2012 Network management production system development ### Software Engineer, Senior Software Engineer, Software Engineering Manager @ Nortel Jan 2003 – Jan 2009 3G Network monitoring/management software development and distributed automation tools framework development ### Software Engineer @ Beijing Capitek Co., Ltd Jan 2002 – Jan 2003 3G network monitoring/management software development ## Education ### Master's degree in Computer Software Engineering San José State University ### Master's degree in Computer Engineering Beijing Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/leizhang828 --- Source: https://flows.cv/leizhang JSON Resume: https://flows.cv/leizhang/resume.json Last updated: 2026-04-12