Oscar Lozano
About Oscar Lozano
Oscar Lozano is a Data Engineer with extensive experience in data processing, analysis, and cloud services. He has worked at various companies, including Jet Mach, Tecnológico de Monterrey, and QuinStreet, and possesses strong skills in SQL, Python, and machine learning.
Work at QuinStreet
Oscar Lozano has been employed at QuinStreet as a Data Engineer since 2021. In this role, he focuses on data engineering tasks that involve data cleaning, processing, and the creation of automated reports. His responsibilities include utilizing ETL processes through Airflow, specifically MWAA on AWS, for data orchestration. He integrates data from APIs into data pipelines, ensuring that the data requirements of multidisciplinary stakeholders are met. His work supports the company's data-driven decision-making processes.
Previous Experience in Data Science and Engineering
Prior to his current position, Oscar Lozano worked as a Data Scientist at Tecnológico de Monterrey from 2019 to 2021. He also held the role of Project Manager at Jet Mach from 2014 to 2016. His earlier experience includes working at Alcoa as Accounts Payable in 2008 and as a Customer Service and Sales Agent at Sitel from 2009 to 2010. These roles contributed to his diverse skill set in data management and project oversight.
Education and Expertise
Oscar Lozano earned a Bachelor’s Degree in Aeronautical Engineering from Universidad Autónoma de Nuevo León, where he studied from 2007 to 2012. His educational background complements his professional expertise in data engineering and analysis. He is proficient in various programming languages and tools, including Python libraries such as pandas, matplotlib, and scikit-learn, which he uses for data analysis and visualization.
Technical Skills and Tools
Oscar Lozano possesses a strong technical skill set that includes experience with CI/CD processes using Circle CI and Bamboo. He is skilled in SQL for database management and querying, and he utilizes Docker containers for application deployment. His proficiency extends to cloud services, particularly AWS and Azure, where he employs services like S3, EC2, and MWAA. He also creates dashboards using Tableau for business intelligence and regularly uses git for version control and Jira for project management.
Machine Learning and Data Management
Oscar Lozano has experience in implementing machine learning algorithms, including regressions, classifications, and natural language processing. He is skilled in hyperparameter tuning to optimize machine learning models. Additionally, he has experience with Hive for big data management, including partitioning, which enhances his capabilities in handling large datasets and extracting valuable insights.