Thierry Sitbon Email & Phone Number

Herzliya, Tel Aviv District, Israel

Tel Aviv, Israel

𝗩𝗲𝗿𝘁𝗶𝗰𝗮 𝗠𝗶𝗴𝗿𝗮𝘁𝗶𝗼𝗻▸ Led the migration of a Vertica production cluster to Vertica EON on AWS, managing infrastructure design, cost analysis, and execution. 𝗖𝗹𝗶𝗰𝗸𝗛𝗼𝘂𝘀𝗲 𝗔𝗰𝘁𝗶𝘃𝗶𝘁𝗶𝗲𝘀▸ Implemented innovative strategies to scale the ClickHouse cluster end-to-end, with no close to no impact on performance and cost efficiency.▸ Defined and executed comprehensive strategies for upgrading ClickHouse versions, conducting rigorous assessments of data integrity and performance to ensure the compatibility of existing processes.▸ Led the development of an internal Golang tool for upgrading ClickHouse schema models, facilitating seamless deployment in production.𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗘𝘅𝗽𝗹𝗼𝗿𝗮𝘁𝗶𝗼𝗻▸ Conducted a proof of concept (POC) with SingleStore to evaluate its suitability, capabilities, and performance for our new project𝗖𝗼𝘀𝘁 𝗕𝗶𝗹𝗹𝗶𝗻𝗴 𝗧𝗼𝗼𝗹 𝗳𝗼𝗿 𝗔𝗪𝗦 𝗮𝗻𝗱 𝗔𝘇𝘂𝗿𝗲▸ Developed a comprehensive cost billing tool for AWS and Azure infrastructure, utilizing SQL Server as the database backend, ensuring precise tracking of infrastructure expenses through daily extraction processes and reporting.𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀 𝗮𝘀 𝗗𝗮𝘁𝗮 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿▸ Steered a pivotal Python project overseeing the migration from RedShift to ClickHouse, orchestrating a comprehensive revamp of the codebase to enhance robustness, flexibility, and overall performance.▸ Created a Golang-based command-line tool for generating reports and synthetic data to benchmark the existing infrastructure, including databases and pipelines.

DBA Vertica and BI Specialist in Microsoft Solutions

Ramat Gan Area, Israel

Big Data Automation Engineer in charge to design and run automation suite for Analytics data flow using Vertica DB and RabbitMQ.

Petach Tikva

BI Specialist - Develop and maintain BI solution in high quality, on time, end-to-end from design, through ETL and DB/backend development to generation of dashboards, reports and alerts with business information.

BI Specialist and DBA in Analytics Team.Designed, worked and POC on projects based on OLAP/MDX and database programming to create custom report analytics tools.

BI Specialist and DBA Oracle 9i & DB2 UDB in several customers: Airbus Industry, Danone Group, French Government (Taxes & Budget offices), Galeries Lafayette, La Poste (Bank), AGF Insurance

IT Specialist in France Telecom, SNCF (Transport) and Credit Agricole (Bank).