Mahesh Kambli
Database Administrator
Peoria,AZ
Summary
Detail-oriented Database Administrator with over 20 years of experience managing and optimizing Oracle databases. Expertise in Oracle RAC, Active Data Guard, GoldenGate, and cloud migrations across OCI, AWS, and GCP. Strong background in troubleshooting, performance tuning, and disaster recovery ensures high availability in both production and development environments. Adept at leading teams, managing large-scale infrastructures, and driving digital transformation initiatives to enhance operational efficiency.
Overview
27
27
years of professional experience
5
5
Certifications
Work History
Oracle Database Administrator -OCI
Innovation Care Partners
10.2023 - 10.2025
- Led end-to-end OCI migration projects from on-premises Oracle environments to OCI using Zero Downtime Migration (ZDM).
- Provisioned OCI resources, including compute instances, storage, VCN (Virtual Cloud Network), subnets, and security lists to prepare the cloud environment for migration.
- Configured connectivity between on-premises and OCI using VPN/fast connect, ensuring secure and reliable data transfer during migration.
- Installed and configured ZDM hub with required agents, ensuring compatibility with Oracle versions and environment readiness.
- Performed pre-migration checks (health checks, storage validation, parameter alignment) to minimize risk.
- Executed ZDM automation workflows for database migration with minimal downtime, reducing business impact.
- Verified post-migration performance, tuning parameters, and validating backup/recovery configurations in OCI.
- Documented step-by-step procedures, created knowledge base guides, and trained junior DBAs on OCI migration best practices.
Oracle Team Lead/Manager
Blue Triton
09.2022 - Current
- Developed and maintained documentation and standards for database design and operations to ensure consistency and compliance.
- Monitored and optimized database performance through proactive tuning, improving application responsiveness.
- Collaborated with cross-functional teams to assess and mitigate the impact of database changes on IT and business systems.
- Performed in-depth technical troubleshooting to identify and resolve critical performance bottlenecks.
- Designed and implemented complex data structures, enhancing system performance, storage efficiency, and accessibility.
- Evaluated and tested new Oracle features, recommending improvements to strengthen system reliability and scalability.
- Planned backup and recovery strategies using RMAN, reducing downtime and ensuring data protection.
- Diagnosed and resolved Oracle RAC failures (listener, storage issues), delivering significant cost savings during system consolidation.
Oracle Database Administrator (Consultant)
Innovation Care Partners
10.2023 - 10.2025
- Managed Oracle RAC Databases, including troubleshooting, performance tuning, and availability monitoring.
- Implemented and maintained Oracle Active Data Guard ensuring high availability and disaster recovery.
- Led Oracle Cloud Infrastructure (OCI) migration projects from on-premises to OCI using Zero Downtime Migration (ZDM).
- Designed and implemented data replication and synchronization strategies using Oracle GoldenGate.
Oracle Team Lead/Manager
PayPal
05.2018 - 09.2022
- Led and managed a 10-member DBA team with active collaboration across technology teams.
- Resolved Data Guard and GoldenGate lag issues, created technical documentation for procedures.
- Provided Oracle DBA support for production, test, and development environments.
- Implemented TDE encryption in Oracle Multitenant environments.
- Supported Oracle Exadata, MySQL, MongoDB, Cassandra, and Couchbase databases.
- Monitored database performance, optimized security, sessions, archive logs, and storage.
- Wrote scripts and processes for data integration, bug fixes, and automation.
- Supported GCP-based databases, managing user accounts and permissions.
Senior Oracle Database Administrator
AAA Insurance Company
01.2012 - 05.2018
- Architected and implemented Oracle GoldenGate with RAC and Data Guard environments.
- Built GoldenGate Hub to replicate data from multiple sources to Hadoop.
- Migrated critical systems to Oracle 12c (standalone and RAC Flex ASM).
- Implemented Multitenant architecture to consolidate multiple databases.
- Implemented Oracle TDE encryption across databases.
- Performed DR exercises every six months, ensuring system readiness.
- Used OEM 12c extensively for monitoring, tuning ASM, managing storage, and applying patches.
- Mentored junior DBAs and knowledge sharing for critical applications.
Oracle DBA
Ascend Performance Materials
06.2010 - 01.2012
- Defined monitoring systems for Oracle and SQL Server environments.
- Installed and configured Oracle Grid computing for monitoring.
- Migrated 30+ Oracle databases from Solutia Domain to Ascend Domain.
- Provided 24/7 DBA support for mission-critical RAC systems in manufacturing plants.
- Designed and implemented backup/recovery strategies for Oracle and SQL Server.
- Wrote shell scripts for SAP and PeopleSoft support automation.
- Documented disaster recovery procedures for business-critical systems.
Oracle DBA
Takeda Pharmaceuticals
01.2010 - 06.2010
- Installed and upgraded Oracle 10g/11g across multiple platforms.
- Supported Cognos and Documentum databases.
- Maintained partitioned tables for large data sets, improving performance.
- Conducted DR tests for SQL Server databases.
- Wrote shell scripts to monitor Oracle databases proactively.
SQL Server DBA
IPG
02.2009 - 12.2009
- Installed and maintained SQL Server in standalone and clustered environments.
- Consolidated SQL Server environments, reducing licensing costs.
- Wrote stored procedures, triggers, and automated monitoring tools.
Oracle DBA
PepsiCo
06.2008 - 02.2009
- Supported 150+ Oracle instances on UNIX and Windows environments.
- Upgraded 25+ Oracle databases from 8i/9i to 10g.
- Performed schema exports/imports using Data Pump.
- Implemented backup/recovery strategies with RMAN.
- Supported SAP financial and warehouse systems.
Oracle DBA
Cadbury Schweppes
06.2006 - 05.2008
- Applied patches, upgraded Oracle 9i systems, and tuned performance.
- Automated daily database monitoring with UNIX shell scripts.
- Configured RMAN backups integrated with TIVOLI.
- Implemented SOX compliance across multiple Oracle databases.
- Performed database cloning for SAP and non-SAP environments.
System Analyst
Race Infotech
08.2004 - 04.2006
- Led multiple projects in Java, Visual Basic, and Oracle environments.
- Designed and implemented database solutions for client applications.
Project Lead
08.2000 - 02.2003
- Managed projects using Visual Basic, Java, and Oracle technologies.
- Coordinated with clients for requirements gathering and delivery.
System Analyst
Emery Worldwide
01.1999 - 08.1999
- Developed applications using PowerBuilder.
- Designed and tested database integration for enterprise systems.
Skills
- Databases & Tools: Oracle RAC, Data Guard, GoldenGate, Exadata, RMAN, OEM, PL/SQL, Toad, AWR, ADDM
- Languages & Scripting: SQL, PL/SQL, Java, Perl, Shell Scripting, JavaScript, XML, VBScript, ASP, JSP, HTML/DHTML
- Platforms: Solaris, Linux, HP-UX, AIX, Windows Server, VMware
- Other: Performance Tuning, Backup/Recovery, Data Modeling, Technical Documentation, Troubleshooting, Disaster Recovery
- Cloud: Oracle Cloud Infrastructure (OCI), AWS, GCP, MongoDB, Cassandra, MySQL, MS SQL Server
Certification
AWS Certified Cloud Practitioner
Timeline
Oracle Database Administrator -OCI
Innovation Care Partners
10.2023 - 10.2025
Oracle Database Administrator (Consultant)
Innovation Care Partners
10.2023 - 10.2025
Oracle Team Lead/Manager
Blue Triton
09.2022 - Current
Oracle Team Lead/Manager
PayPal
05.2018 - 09.2022
Senior Oracle Database Administrator
AAA Insurance Company
01.2012 - 05.2018
Oracle DBA
Ascend Performance Materials
06.2010 - 01.2012
Oracle DBA
Takeda Pharmaceuticals
01.2010 - 06.2010
SQL Server DBA
IPG
02.2009 - 12.2009
Oracle DBA
PepsiCo
06.2008 - 02.2009
Oracle DBA
Cadbury Schweppes
06.2006 - 05.2008
System Analyst
Race Infotech
08.2004 - 04.2006
Project Lead
08.2000 - 02.2003
System Analyst
Emery Worldwide
01.1999 - 08.1999
Similar Profiles
Tracie HowardTracie Howard
Care Coordinator/Case Management Specialist at Innovation Care PartnersCare Coordinator/Case Management Specialist at Innovation Care Partners
Faith SmithFaith Smith
Transitional Care Manager Assistant at Innovation Care PartnersTransitional Care Manager Assistant at Innovation Care Partners
Cindy RamirezCindy Ramirez
TCM COORDINATOR II at Innovation Care Partners Honor HealthTCM COORDINATOR II at Innovation Care Partners Honor Health
Cielo Scarlet LedezmaCielo Scarlet Ledezma
Nurse Resident, PCU (TTP Program) at Abrazo Heart HospitalNurse Resident, PCU (TTP Program) at Abrazo Heart Hospital
George MasameryGeorge Masamery
Teacher on Assignment (TOA) at Phoenix Union High School DistrictTeacher on Assignment (TOA) at Phoenix Union High School District