Oracle Infrastructure & Disaster Recovery Architect specializing in Exadata, ZDLRA, High Availability, Cloud Migrations, and Mission-Critical Database
Aktualisiert am 21.09.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 30.09.2026
Verfügbar zu: 100%
davon vor Ort: 0%
Oracle Database Migration
Oracle Exadata
Oracle Maximum Availability
English
German
A2

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 6 months
2022-04 - now

Design of database solutions

Solution Engineer Oracle 11g 12c 19c ...
Solution Engineer
  • Architected database solutions for enterprise clients across on-premises and cloud environments, including OCI and Azure migration use cases.
  • Assisted clients with POCs for migrating databases from Exadata on premises to OCI/Azure platforms.
  • Designed and configured Exadata and ZDLRA environments using OEDA and associated platform tooling.
  • Built database high-availability solutions using redo transport within ZDLRA to achieve zero data loss in disaster scenarios.
  • Configured bi-directional ZDLRA replication across data centers to strengthen resilience and recovery.
  • Supported physical installation and patching activities for ODA-X10 HA and ODA-X10 L platforms.
  • Led migration work from AIX to Linux environments and supported storage expansion on Exadata systems.
  • Upgraded OEM from 13.3 to 13.5 and supported monitoring improvements for critical enterprise platforms.
  • Created standby environments for Oracle Standard Edition using DBVisit.
  • Delivered a successful Oracle on premises to Azure Cloud PostgreSQL migration using ora2pg, including schema conversion, object remediation, data migration and validation.
  • Supported root-cause analysis and incident remediation for production issues, with emphasis on reducing recurring operational toil through better operational methods and platform improvements.
  • Worked closely with application and infrastructure teams to support platform selection, performance, and stability for business-critical database services.
Oracle 11g 12c 19c OCI/ExaCC Exadata ODA Dataguard Clusterware OEM DBVisit Postgresql Azure
Logicalis GmbH, Frankfurt
1 year
2021-05 - 2022-04

Resolving performance issues

Principal Database Engineer Oracle 12c 19c AWS
Principal Database Engineer
  • Resolved performance issues by analyzing SQL execution plans and improving them through query rewrites and targeted indexing.
  • Used AWR, ADDM, and segment advisory reports to identify bottlenecks and recommend corrective actions.
  • Identified candidate tables for partitioning based on workload and performance trends observed in test environments.
  • Supported tuning and optimization efforts for database workloads in cloud-based enterprise environments.
Oracle 12c 19c AWS
HealthEdge Corporation, Bangalore
2 years 10 months
2018-08 - 2021-05

Development and optimization of OEM monitoring

Manager Oracle 11g 12c 19c ...
Manager
  • Created and enhanced OEM monitoring using custom metric extensions for GoldenGate, WebLogic, and other enterprise components.
  • Led OEM 12c to 13c migration and platform upgrade from RHEL 5 to RHEL 7.
  • Worked with Attunity teams to investigate and resolve replication issues.
  • Troubleshot GoldenGate environments and supported new setup implementations.
  • Patched GoldenGate and OMS software in enterprise production environments.
  • Managed database and grid infrastructure upgrades to 19c on Exadata and ODA.
  • Monitored Exadata and ODA infrastructure using OEM and operational dashboards.
  • Supported incident analysis, platform health review and operational improvements across database services.
Oracle 11g 12c 19c Golden Gate Attunity OEM 12c/13c Dataguard Grid/Clusterware
State Street Corporation, Bangalore
2 years 2 months
2016-07 - 2018-08

Implementation of database backups, replication, access management, and capacity planning

Associate Oracle 9i 10g 11g Databases ...
Associate
  • Implemented database backups, replication, access management and capacity planning.
  • Supported upgrades and patching during planned weekend maintenance windows.
  • Performed DR tests using switchover and snapshot standby scenarios.
  • Supported internal development teams on performance issues and SQL tuning.
  • Worked with operations teams to identify data flow bottlenecks and improve platform stability.
  • Used OEM, AWR and SQL Profiles to troubleshoot resource-heavy SQL and improve response times.
  • Contributed to DR automation and backup remediation using ZDLRA.
  • Refreshed lower environments using RMAN and handled Clusterware, Database and ASM troubleshooting.
  • Coordinated with Oracle Support on critical production issues.
Oracle 9i 10g 11g Databases Golden Gate OEM 12c Dataguard ZDLRA Grid/Clusterware
JP Morgan Chase, Bangalore
2 years 2 months
2014-06 - 2016-07

Provision of support for major customers

Senior Oracle DBA Oracle 8i 9i 10g ...
Senior Oracle DBA
  • Provided 24x7x365 support to enterprise clients.
  • Performed database and schema-level upgrades and refreshes.
  • Worked with Commvault and NetBackup policies for backup administration.
  • Used OEM for administration, monitoring, and routine operational support.
  • Investigated performance issues using AWR, ADDM, Statspack, and OEM.
  • Prepared SOPs for database operations and recurring maintenance tasks.
  • Executed critical production changes to sustain uptime commitments.
  • Supported weekend maintenance, including patching, upgrades, installations, and switchovers.
  • Migrated multi-terabyte databases from 11g to 12c with near-zero downtime.
Oracle 8i 9i 10g 11g Databases OEM 12c/13c Dataguard Grid/Clusterware
Datavail India, Bangalore
1 year 9 months
2012-10 - 2014-06

Installation and setup of databases

Consultant Oracle 9i 10g 11g Databases ...
Consultant
  • Installed and created databases on ASM and file systems based on customer requirements.
  • Maintained SAP Oracle database environments and capacity planning activities.
  • Managed standby databases with zero data loss objectives.
  • Worked with RMAN, snapshot backups, and Commvault.
  • Performed patching, SQL tuning, baseline management and SQL Profile implementation.
  • Redesigned legacy SQL that was highly CPU- and IO-intensive.
  • Supported day-to-day database refreshes, backup activities and user requests.
  • Created shell scripts for scheduled monitoring and space checks.
  • Assisted with physical design performance issues and statistics management.
  • Mentored junior team members and documented end-to-end procedures.
Oracle 9i 10g 11g Databases SAP
Capgemini India, Bangalore
2 years 1 month
2010-10 - 2012-10

Database table structures; packages, procedures and functions

Team Member Java (Front end) Oracle & My-SQL (Database) Finacle
Team Member
  • Worked with stakeholders in Nairobi, Kenya to understand microfinance and group lending requirements.
  • Designed database table structures and developed packages, procedures and functions.
  • Performed performance tuning and created auditing trigger scripts.
  • Gathered migration requirements at Ratnakar Bank.
  • Created staging areas for data migration from legacy systems to Finacle.
  • Led redesign of base reports and developed MIS reports using complex SQL and PL/SQL.
Java (Front end) Oracle & My-SQL (Database) Finacle
IDBI Intech, Navi Mumbai
10 months
2009-09 - 2010-06

Setup ? Training and production environments

IT Associate
IT Associate
  • Installed IBM servers and configured RAID levels for OS and data storage.
  • Set up training and production environments, including DB2 and Intelligent Form Processing.
  • Managed DB2 data import/export, logs, backup, recovery and HADR standby.
  • Used Tivoli Storage Manager for backup and restore operations.
  • Performed Windows Server hardening and enabled log shipping for MSSQL 2005.
  • Administered internal Oracle databases, including monitoring, logical backups, health checks, and refreshes.
IBM India, Pune

Aus- und Weiterbildung

Aus- und Weiterbildung

01/2010
Comp. Application, Symbiosis
Master of Science

01/2008
Comp. Science, Mumbai,
Bachelor of Science

Certifications
  • Oracle Certified Master-19c
  • Oracle 19c/12c/11g/9i Certified Professional
  • Grid Infrastructure Professional
  • Exadata X9M engineer
  • Golden Gate Certified Implementation Professional
  • Azure Cloud & Security Architect
  • Oracle Cloud Architect
  • MySql 8.0 Certified Professional

Kompetenzen

Kompetenzen

Top-Skills

Oracle Database Migration Oracle Exadata Oracle Maximum Availability

Produkte / Standards / Erfahrungen / Methoden

Profile
Experienced Oracle Database Engineer and Solution Engineer with 17 years of experience designing, supporting, migrating and optimizing enterprise database platforms across Oracle, DB2, MySQL, SQL Server and PostgreSQL. Strong background in Oracle DBA operations, Exadata, ZDLRA, Data Guard, Clusterware, OEM, and cloud migration initiatives across OCI, Azure and AWS. Proven track record in database architecture, performance tuning, automation-minded operations, disaster recovery and high-availability design. Successfully delivered Oracle on premises to Azure Cloud PostgreSQL migration using ora2pg and hold Oracle Certified Master (OCM) 19c.

Key Project Details
  • Architect in designing the MAA solution with Exadata and ZDLRA having DR site both on Exadata and ZDLRA.
  • Architect in migration of Databases from Windows to Exadata with zero downtime(Non-ZDM, Non-GoldenGate).
  • Architecting the solution of moving the databases from Exadata on-prem servers to Exa-CC using ZDM.
  • Physical Installation, Patching to 19.25 of ODA-X10 HA & ODA-X10 L.
  • On Prem Oracle Database to Azure Postgres Conversion.

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

4 years 6 months
2022-04 - now

Design of database solutions

Solution Engineer Oracle 11g 12c 19c ...
Solution Engineer
  • Architected database solutions for enterprise clients across on-premises and cloud environments, including OCI and Azure migration use cases.
  • Assisted clients with POCs for migrating databases from Exadata on premises to OCI/Azure platforms.
  • Designed and configured Exadata and ZDLRA environments using OEDA and associated platform tooling.
  • Built database high-availability solutions using redo transport within ZDLRA to achieve zero data loss in disaster scenarios.
  • Configured bi-directional ZDLRA replication across data centers to strengthen resilience and recovery.
  • Supported physical installation and patching activities for ODA-X10 HA and ODA-X10 L platforms.
  • Led migration work from AIX to Linux environments and supported storage expansion on Exadata systems.
  • Upgraded OEM from 13.3 to 13.5 and supported monitoring improvements for critical enterprise platforms.
  • Created standby environments for Oracle Standard Edition using DBVisit.
  • Delivered a successful Oracle on premises to Azure Cloud PostgreSQL migration using ora2pg, including schema conversion, object remediation, data migration and validation.
  • Supported root-cause analysis and incident remediation for production issues, with emphasis on reducing recurring operational toil through better operational methods and platform improvements.
  • Worked closely with application and infrastructure teams to support platform selection, performance, and stability for business-critical database services.
Oracle 11g 12c 19c OCI/ExaCC Exadata ODA Dataguard Clusterware OEM DBVisit Postgresql Azure
Logicalis GmbH, Frankfurt
1 year
2021-05 - 2022-04

Resolving performance issues

Principal Database Engineer Oracle 12c 19c AWS
Principal Database Engineer
  • Resolved performance issues by analyzing SQL execution plans and improving them through query rewrites and targeted indexing.
  • Used AWR, ADDM, and segment advisory reports to identify bottlenecks and recommend corrective actions.
  • Identified candidate tables for partitioning based on workload and performance trends observed in test environments.
  • Supported tuning and optimization efforts for database workloads in cloud-based enterprise environments.
Oracle 12c 19c AWS
HealthEdge Corporation, Bangalore
2 years 10 months
2018-08 - 2021-05

Development and optimization of OEM monitoring

Manager Oracle 11g 12c 19c ...
Manager
  • Created and enhanced OEM monitoring using custom metric extensions for GoldenGate, WebLogic, and other enterprise components.
  • Led OEM 12c to 13c migration and platform upgrade from RHEL 5 to RHEL 7.
  • Worked with Attunity teams to investigate and resolve replication issues.
  • Troubleshot GoldenGate environments and supported new setup implementations.
  • Patched GoldenGate and OMS software in enterprise production environments.
  • Managed database and grid infrastructure upgrades to 19c on Exadata and ODA.
  • Monitored Exadata and ODA infrastructure using OEM and operational dashboards.
  • Supported incident analysis, platform health review and operational improvements across database services.
Oracle 11g 12c 19c Golden Gate Attunity OEM 12c/13c Dataguard Grid/Clusterware
State Street Corporation, Bangalore
2 years 2 months
2016-07 - 2018-08

Implementation of database backups, replication, access management, and capacity planning

Associate Oracle 9i 10g 11g Databases ...
Associate
  • Implemented database backups, replication, access management and capacity planning.
  • Supported upgrades and patching during planned weekend maintenance windows.
  • Performed DR tests using switchover and snapshot standby scenarios.
  • Supported internal development teams on performance issues and SQL tuning.
  • Worked with operations teams to identify data flow bottlenecks and improve platform stability.
  • Used OEM, AWR and SQL Profiles to troubleshoot resource-heavy SQL and improve response times.
  • Contributed to DR automation and backup remediation using ZDLRA.
  • Refreshed lower environments using RMAN and handled Clusterware, Database and ASM troubleshooting.
  • Coordinated with Oracle Support on critical production issues.
Oracle 9i 10g 11g Databases Golden Gate OEM 12c Dataguard ZDLRA Grid/Clusterware
JP Morgan Chase, Bangalore
2 years 2 months
2014-06 - 2016-07

Provision of support for major customers

Senior Oracle DBA Oracle 8i 9i 10g ...
Senior Oracle DBA
  • Provided 24x7x365 support to enterprise clients.
  • Performed database and schema-level upgrades and refreshes.
  • Worked with Commvault and NetBackup policies for backup administration.
  • Used OEM for administration, monitoring, and routine operational support.
  • Investigated performance issues using AWR, ADDM, Statspack, and OEM.
  • Prepared SOPs for database operations and recurring maintenance tasks.
  • Executed critical production changes to sustain uptime commitments.
  • Supported weekend maintenance, including patching, upgrades, installations, and switchovers.
  • Migrated multi-terabyte databases from 11g to 12c with near-zero downtime.
Oracle 8i 9i 10g 11g Databases OEM 12c/13c Dataguard Grid/Clusterware
Datavail India, Bangalore
1 year 9 months
2012-10 - 2014-06

Installation and setup of databases

Consultant Oracle 9i 10g 11g Databases ...
Consultant
  • Installed and created databases on ASM and file systems based on customer requirements.
  • Maintained SAP Oracle database environments and capacity planning activities.
  • Managed standby databases with zero data loss objectives.
  • Worked with RMAN, snapshot backups, and Commvault.
  • Performed patching, SQL tuning, baseline management and SQL Profile implementation.
  • Redesigned legacy SQL that was highly CPU- and IO-intensive.
  • Supported day-to-day database refreshes, backup activities and user requests.
  • Created shell scripts for scheduled monitoring and space checks.
  • Assisted with physical design performance issues and statistics management.
  • Mentored junior team members and documented end-to-end procedures.
Oracle 9i 10g 11g Databases SAP
Capgemini India, Bangalore
2 years 1 month
2010-10 - 2012-10

Database table structures; packages, procedures and functions

Team Member Java (Front end) Oracle & My-SQL (Database) Finacle
Team Member
  • Worked with stakeholders in Nairobi, Kenya to understand microfinance and group lending requirements.
  • Designed database table structures and developed packages, procedures and functions.
  • Performed performance tuning and created auditing trigger scripts.
  • Gathered migration requirements at Ratnakar Bank.
  • Created staging areas for data migration from legacy systems to Finacle.
  • Led redesign of base reports and developed MIS reports using complex SQL and PL/SQL.
Java (Front end) Oracle & My-SQL (Database) Finacle
IDBI Intech, Navi Mumbai
10 months
2009-09 - 2010-06

Setup ? Training and production environments

IT Associate
IT Associate
  • Installed IBM servers and configured RAID levels for OS and data storage.
  • Set up training and production environments, including DB2 and Intelligent Form Processing.
  • Managed DB2 data import/export, logs, backup, recovery and HADR standby.
  • Used Tivoli Storage Manager for backup and restore operations.
  • Performed Windows Server hardening and enabled log shipping for MSSQL 2005.
  • Administered internal Oracle databases, including monitoring, logical backups, health checks, and refreshes.
IBM India, Pune

Aus- und Weiterbildung

Aus- und Weiterbildung

01/2010
Comp. Application, Symbiosis
Master of Science

01/2008
Comp. Science, Mumbai,
Bachelor of Science

Certifications
  • Oracle Certified Master-19c
  • Oracle 19c/12c/11g/9i Certified Professional
  • Grid Infrastructure Professional
  • Exadata X9M engineer
  • Golden Gate Certified Implementation Professional
  • Azure Cloud & Security Architect
  • Oracle Cloud Architect
  • MySql 8.0 Certified Professional

Kompetenzen

Kompetenzen

Top-Skills

Oracle Database Migration Oracle Exadata Oracle Maximum Availability

Produkte / Standards / Erfahrungen / Methoden

Profile
Experienced Oracle Database Engineer and Solution Engineer with 17 years of experience designing, supporting, migrating and optimizing enterprise database platforms across Oracle, DB2, MySQL, SQL Server and PostgreSQL. Strong background in Oracle DBA operations, Exadata, ZDLRA, Data Guard, Clusterware, OEM, and cloud migration initiatives across OCI, Azure and AWS. Proven track record in database architecture, performance tuning, automation-minded operations, disaster recovery and high-availability design. Successfully delivered Oracle on premises to Azure Cloud PostgreSQL migration using ora2pg and hold Oracle Certified Master (OCM) 19c.

Key Project Details
  • Architect in designing the MAA solution with Exadata and ZDLRA having DR site both on Exadata and ZDLRA.
  • Architect in migration of Databases from Windows to Exadata with zero downtime(Non-ZDM, Non-GoldenGate).
  • Architecting the solution of moving the databases from Exadata on-prem servers to Exa-CC using ZDM.
  • Physical Installation, Patching to 19.25 of ODA-X10 HA & ODA-X10 L.
  • On Prem Oracle Database to Azure Postgres Conversion.

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