Mazen Asiri Email & Phone Number

Riyadh, Sa

Riyadh, Saudi Arabia

While working as a data engineer I was responsible for:- building a data lake solution using MinIO.- performing batch processing using pyspark.- automating the pipeline using Apache Airflow- building & maintaining a data warehouse on top of the data lake using hive & trino- exporting results from the warehouse to a data mart layer- data lineage

Jubail, Eastern, Saudi Arabia

As a Big Data analyst I was part of the big data team. Mainly handling & maintaining Cloudera.some key activities I worked on:- Writing ETL pipelines as Spark jobs.- Administrate Cloudera cluster both on premise & in cloud- Performing Data analysis using Hive/Implala

Riyadh

As a trainee at Bank Albilad under Albilad Future Program, I was assigned to work with the Information Security Department.some of the key activities I worked on:- Collecting, parsing, and indexing logs in Splunk.- Fine tuned Splunk correlation searches.- Developed new correlation searches.- Developed playbooks for Splunk Phantom.- Developed dashboards for SOC team.

Dhahran

The Application Development Division uses big seismic data heavily on daily bases.This big data was stored using on an old version of Elasticsearch.My task was to re-implement a storage solution with the latest version of Elasticsearch and fine tune the performance to execute quires more efficiently.During my summer internship I was able to deploy the newer version,improve the performance, and develop a RESTful API using python's Flask framework for easier integration.Key activities:- Developed an ETL pipeline to extract seismic data from .SEGY files, format it, then index it into an Elasticseach instance.- Developed a more optimized version of Elasticsearch for seismic data.- Developed a RESTful API for the Elasticsearch search engine to help other teams acess the data.