Fernan Antonio Marsiglia Hernández
SENIOR DATA ENGINEER | SENIOR DBA
Professional profile
Senior Data Engineer and DBA with 6+ years of experience building and scaling reliable data platforms in cloud and hybrid environments . Expert in PostgreSQL , MySQL , SQL Server , AWS , Azure , GCP , Python , ETL , and data migrations
Work experience
Led hybrid/multi-cloud data architectures, consolidated Snowflake for ETL/ELT, implemented GenAI/LLM infra, developed large-scale pipelines with Spark, Databricks, Datafactory, Python, optimized DB engines (Snowflake, PostgreSQL, MySQL).
Major achievementDesign of hybrid/multi-cloud data architectures (AWS, Azure), Snowflake analytics platform, GenAI/LLM infra with Amazon Bedrock/SageMaker, large-scale ETL/ELT pipelines, advanced DB optimization (Snowflake, PostgreSQL, MySQL).
Migrated on-premise to cloud, designed ETL/ELT with Azure Data Factory, integrated PostgreSQL, MySQL, MongoDB, developed transformations in Databricks (Spark, Python), optimized SQL queries, designed replication/high-availability.
Major achievementMigrated/modernized data platforms to cloud, designed ETL with Azure Data Factory, integrated PostgreSQL, MySQL, MongoDB, improved analytics with Databricks (Spark, Python), optimized high-volume SQL systems.
Orchestrated ETL with Airflow, Databricks, Azure Data Factory; implemented MLOps; processed data with Spark, Python; administered PostgreSQL, MySQL, SQL Server for BI projects.
Major achievementBuilt end-to-end pipelines with Databricks/Airflow, implemented MLOps with Databricks/Azure ML/SageMaker, orchestrated ETL with Azure Data Factory, administered PostgreSQL, MySQL, SQL Server.
Education experience
Platzi | Bootcamp
