• Results-driven Database professional with 25+ years of experience in production database administration, engineering, design and development. Proven track record of delivery of highly reliable, scalable and secure database solutions that consistently meet SLA requirements.
• Area of expertise: Database upgrades, patching, performance tuning and cross-platform real-time zero-downtime data migration.
• Professional Focus: AI Implementation, Cloud Platforms, Python Development, Data Migration, Efficient Systems Design.
Education
Masters in Computer Science National Research Nuclear University
MEPhI 09/1997 – 02/1999
Bachelor in Computer Science National Research Nuclear University
MEPhI 09/1993 – 02/1997
Work Experience
Career break Walnut Creek, CA 2024 – 2025
• Took intentional time away to address personal health and provide dedicated care for a family member.
• Successfully completed multiple AWS, Oracle Cloud Infrastructure (OCI) and Terraform certification courses, demonstrating commitment to continuous learning and staying current with modern cloud technologies.
Freelance Projects and consulting:
testRigor
Database/ETL Engineer
San Francisco, CA 10/2024 – 07/2025
• Architected and implemented a secure, multi-factor AWS role-based access control framework leveraging IAM and Auth services to enforce least-privilege security policies.
• Installed and configured Oracle 19c/21c and Grid Infrastructure (GI) 21c on Red Hat Linux OS, with ISCSI/ZFS on TrueNAS and ASM/ACFS storage provisioning enterprise Oracle databases.
• Executed end-to-end installation of Red Hat Linux 9 and GoldenGate Microservices 23ai; engineered real-time data migration and Bi-directional/Reverse CDC replication pipelines between on-premises Oracle 19c and AWS Aurora PostgreSQL and MySQL databases.
• Utilized AI-assisted solutions to design and implement corporate VPN, EC2, S3, Private Gateway and Customer Gateway configurations enhancing operational efficiency and performance.
• Designed and implemented a secure site-to-site VPN solution between on-premises infrastructure and AWS cloud. Automated cloud resource provisioning using Terraform reducing manual overhead and improving deployment consistency and reliability.
• Deployed AWS Schema Conversion Tool (SCT) and Database Migration Service (DMS) to convert Oracle 19c database to Postgres 17 via secured site-to-site connection.
Sr. Database Administrator/Engineer | SME
First Republic Bank San Francisco, CA 07/2015 – 07/2023
• Hands-on expertise in advanced configuration of Oracle Database Appliance (ODA) in enterprise data center environments, encompassing end-to-end network setup and ASM/ACFS storage configuration.
• Achieved and maintained 100% Center Internet Security (CIS) benchmark compliance across MySQL, Oracle and PostgreSQL databases; launched a CIS-CAT monitoring system to continuously enforce security standards and improve operational efficiency.
• Engineered high-availability and disaster recovery solutions using Oracle RMAN, Data Guard and multi-master/slave MySQL replication, achieving 100% success across all DR tests.
• Led migration and upgrade of MySQL, PostgreSQL and Oracle 11g/12c RAC databases to AWS RDS for Oracle 19c delivering significant infrastructure cost savings.
• Utilized AWS DMS Change Data Capture (CDC) and Schema Conversion Tool (SCT) solutions to enable real-time data replication and migration to AWS Aurora Postgres and MySQL databases minimizing downtime and data loss and ensuring data consistency across distributed environments.
• Directed end-to-end migration of Oracle RAC high-availability environments to AWS improving scalability, performance and disaster recovery capabilities.
• Executed near-zero downtime Oracle RAC database migrations using Oracle Data Guard and GoldenGate, ensuring full data integrity throughout.
• Implemented and optimized Informatica ETL/ELT pipelines improving data accessibility and reliability; tuned multiple data flows resulting in measurable performance gains.
• Integrated MySQL, Oracle RAC and PostgreSQL monitoring into corporate SolarWinds and Imperva platforms using PL/SQL, reducing incident frequency and accelerating root cause analysis.
• Managed and supported database scheduling tools including Oracle Scheduler, OS Cron and Control-M for automated job execution and monitoring.
• Diagnosed and resolved complex performance and technical issues using Explain Plan, Oracle Enterprise Manager (OEM), SolarWinds, AWR/ASH/ADDM reports, PL/SQL and OS-level diagnostics.
• Leveraged AWS CloudTrail, CloudWatch and Performance Insights to proactively identify and resolve cloud database bottlenecks, significantly reducing incident analysis time.
Sr. Database/ETL Engineer
Sogeti Redwood City, CA 11/2014 – 06/2015
• Designed and configured cross-platform data migration integrating Oracle and PostgreSQL across Exadata, Red Hat Linux and IBM AIX environments, improving conversion efficiency and data consistency.
• Engineered real-time ETL data migration pipelines from PostgreSQL to Oracle, MS SQL and MySQL using Oracle GoldenGate, enhancing data integrity and availability.
• Configured secure data transfer channels using SSL/TLS encryption to safeguard data during migration processes and ensure compliance with security standards.
• Streamlined DB2 database refresh processes by leveraging OS-level scripting with db_backup and db_restore commands, reducing manual effort and refresh cycle time.
• Automated data replication, database maintenance and monitoring tasks using Linux shell and PowerShell scripting, improving operational efficiency and reducing manual intervention.
Application/Database Administrator
Chevron Concord, CA 10/2012 – 11/2014
• Automated critical data import/export workflows using Perl, Linux shell scripting, PowerShell, Oracle SQL*Loader and PL/SQL, significantly reducing processing time and manual effort.
• Designed and modeled database schemas for complex data loads using SQL Designer and ER-Studio; applied reverse engineering techniques to visualize and document existing database architectures.
• Diagnosed and resolved database performance bottlenecks using SQL*Plus, AWR/ASH/ADDM reports and Oracle Enterprise Manager (OEM), achieving notable reductions in query response times and maintenance overhead.
Sr. Database Architect
Aepona, Inc. Sunnyvale, CA 01/2012 – 10/2012
• Installed and configured Oracle RAC on Linux, delivering a high-performance, highly available and fault-tolerant database environment for mission-critical workloads.
• Designed and implemented Virtual Database (VDB) solutions to strengthen data security, enforce access controls and improve data retrieval efficiency.
• Utilized Git for version control, contributing to an improved CI/CD pipeline strategy and promoting best practices in collaborative database and infrastructure development.
Sr. Oracle/SQL Database Administrator
The Gymboree Corp. San Francisco, CA 10/2011 – 01/2012
• Significantly improved database query response times through meticulous SQL tuning leveraging AWR/ASH/ADDM reports, Explain Plan and TKPROF tools.
• Designed and implemented enterprise-grade RMAN backup strategies integrated with Veritas NetBackup, achieving 100% data recoverability and meeting stringent RPO/RTO requirements.
Sr. Oracle Database Administrator | Architect
Royal Bank of Scotland Chicago, IL 05/2009 – 07/2011
• Automated database maintenance and business-critical workflows by developing integrated solutions using Bash, PL/SQL and Python scripting, reducing manual effort and improving process reliability.
• Implemented a real-time NAGIOS monitoring system using SQL and Linux shell scripting, enabling proactive issue detection and significantly enhancing operational efficiency and system uptime.
Oracle SME | Architect
Bank of America Chicago, IL 04/2007 – 05/2009
• Served as Lead Database Architect for a Transition Service Agreement (TSA), overseeing the seamless migration and integration of ABN AMRO Bank's database environments into Bank of America's infrastructure.
• Architected and executed a large-scale Data Center migration for a 20TB data warehouse, ensuring full data consistency and integrity using Oracle RMAN, expdp/impdp, Python and shell scripting.
Oracle Database Administrator
ABN AMRO Chicago, IL 07/2003 – 04/2007
• Architected a comprehensive backup and recovery strategy integrating Oracle Standby/Data Guard and Network Appliance (NetApp), significantly improving RPO and RTO targets for enterprise database environments.
• Configured and managed 2, 3 and 4-node Oracle RAC clusters, optimizing workload distribution across nodes to maximize performance, accessibility and database reliability.
Oracle Database Administrator
E-Research Technology, Inc. Bridgewater, NJ 07/2001 – 03/2003
• Managed full database lifecycle activities including installation, patching and cloning; performed regular maintenance and support using Oracle Enterprise Manager (OEM.
• Improved database performance by optimizing SQL queries, database objects, tuning OS and database parameters to achieve maximum efficiency and resource utilization.