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Oleksiy I. has a diverse work experience spanning several companies and roles. Oleksiy currently works as a Senior Data Engineer at OpenVPN Inc. since May 2021. Prior to that, they held the same position from February 2016 to May 2021, but the company is not specified.

Before that, Oleksiy worked at EPAM Systems from October 2014 to January 2016, where they were involved in developing a data processing pipeline using Hadoop and Apache Hive. Oleksiy also developed a Data Quality Framework using Java.

Oleksiy's earlier experience includes working at Luxoft as a Senior Oracle Database Administrator from November 2008 to November 2011. Oleksiy participated in the development of the Data Lifecycle Management project for Deutsche Bank.

Oleksiy also worked as a Senior Oracle Database Administrator at Infopulse from November 2007 to November 2008, where they managed incident reporting and resolved customer issues related to Oracle clusters.

Oleksiy started their career as a Senior Oracle Database Administrator at UkrTrade Ltd. from October 2005 to October 2007. Oleksiy was responsible for managing the installation, maintenance, tuning, and troubleshooting of Oracle databases.

Oleksiy also worked at PDS Ltd. as an Oracle Database Administrator from August 2004 to June 2005, where they provided consultancy services to clients and migrated databases from MSSQL 2000 to Oracle 10g.

Oleksiy's earlier experience includes working as an Oracle Database Administrator at Luxoft from December 2003 to June 2004, where they provided support for various environments and performed database performance analysis.

Oleksiy also worked as an Oracle Database Administrator at "\"Basis\"" bank from August 2002 to December 2003, where they managed the maintenance, tuning, and troubleshooting of production databases.

Oleksiy began their career at MaxBill Ukraine as an Oracle Developer from May 2001 to August 2002, where they installed, maintained, tuned, and troubleshooted Oracle databases, and performed UNIX systems administration.

Overall, Oleksiy I. has extensive experience in data engineering, Oracle database administration, and system maintenance across various industries.

Oleksiy I. holds a Master of Science degree in Computer Science from Kharkiv National University of Radioelectronics. In terms of additional certifications, they obtained the following: "Building Cloud-Native and Multicloud Applications," "Cloud Core," "Containers & Kubernetes Essentials," and "IBM Cloud Essentials" from IBM in March 2021. Oleksiy also holds several certifications from Oracle, including "Oracle Database 11g Performance Tuning Certified Expert" in January 2011, "Oracle Enterprise Linux Administrator Certified Associate" in December 2010, "Oracle Real Application Clusters (RAC) 11g Release 2 and Grid Infrastructure Administration" in December 2010, "Oracle Certified Professional, Oracle Solaris 10 System Administrator" in October 2010, and "Oracle Database 11g Administrator Certified Professional" in July 2010.