Krishnasarma Srinivasan

Oracle Database Administrator and IT Project Manager with 27+ years of experience across retail, manufacturing, banking, airline, and insurance domains. Proven track record managing production database support, large-scale migrations, and disaster-recovery implementations for global clients, while leading teams of up to 50 members through the full project life cycle from scope and estimation through delivery.

Oracle Certified

Professional (19c, 12c, 11g RAC R2, 11g, 10g) and AWS/Azure database migration specialist with deep expertise in Oracle GoldenGate and AWS DMS.

Principal Consultant at Mphasis (2005-12 – Present)

Projects Handled. 25+ years of Oracle Database Administration experience, including server installation, client configuration, database design, network administration, backup and recovery, RAC, performance tuning, and database migration. Deep expertise in Oracle GoldenGate for replication, high-availability configuration, and zero-downtime migrations, along with financial and resource forecasting, cost tracking, and SOW preparation and closure.

GoldenGate SME / Oracle DBA Team Manager | Oracle Database Administration, AWS, GoldenGate at Aptia (2024-07 – Present)

Leading Aptia's database migration to AWS and disaster-recovery (RAC) setup.

• Support Aptia's end-to-end database migration program.
• Migrate legacy databases to RAC and ASM, Data Guard standby, and upgrade to Oracle 11g/12c.
• Apply DST and OS patches as required.
• Own backup, recovery, and Exadata migration; create data models, solution designs, and architecture documentation for complex information systems.

GoldenGate SME / Oracle DBA Team Manager | Oracle Database Administration, GoldenGate, AWS DMS, Azure at Allspring (Wells Fargo) (2022-06 – 2024-06)

Managed database migration and disaster-recovery setup through Oracle GoldenGate.

• Supported Allspring's database migration program using Oracle GoldenGate.
• Evaluated and implemented performance improvements to reduce GoldenGate replication lag.
• Migrated legacy databases to RAC and ASM, Data Guard standby, and 11g/12c; managed backup, recovery, and Exadata migration; monitored GoldenGate performance via GGMonitor in an HA environment.
• Delivered zero-downtime production migrations; migrated offshore databases to AWS via DMS and GoldenGate, and to Azure via GoldenGate.

GoldenGate SME / Oracle DBA Team Manager | Oracle GoldenGate, Oracle Database Administration at AIRSOA (American Airlines) (2016-11 – 2022-06)

• Supported AIRSOA's database migration program using Oracle GoldenGate.
• Evaluated and implemented improvements to reduce GoldenGate replication lag, and configured GoldenGate for high availability.
• Migrated legacy databases to RAC and ASM, Data Guard standby, and 11g/12c; applied DST and OS patches; managed backup, recovery, and Exadata migration.
• Owned data model changes; created data models, solution designs, and architecture documentation for complex systems, incorporating team feedback into final designs.
• Monitored GoldenGate performance via GGMonitor in a high-availability environment and delivered zero-downtime production migrations. Migrated offshore databases to AWS and Azure via DMS and GoldenGate.

Oracle DBA Team Manager | Oracle Database Administration at Halliburton (2016-04 – 2016-11)

Managed database migration from Oracle 10g to 11g for the SAP application.

• Supported Halliburton's SAP database administration.
• Migrated databases to Oracle 9i and 10g, RAC and ASM, Data Guard standby, and 11g/12c; managed backup, recovery, and Exadata migration.
• Owned data model changes and created data models and solution designs.

Oracle DBA Team Manager | Oracle Database Administration at JPMorgan Chase (2015-06 – 2016-04)

Managed database monitoring, maintenance, and migration for a host-to-host application, including a SQL Server to Oracle 11g migration.

• Supported JPMC's database administration for a host-to-host application.
• Migrated legacy databases to RAC and ASM, Data Guard standby, and 11g/12c.
• Performed RAC performance tuning, design, and installation; applied DST and OS patches.

Project Manager | Oracle Database Administration at Continental Airlines (2009-06 – 2015-06)

Provided database administration support for Continental Airlines' data centres.

• Supported Continental Airlines' database administration and identified performance improvements.
• Migrated databases to Oracle 9i, 10g, and 11g on RAC/ASM; managed OEM monitoring and reporting; applied DST and OS patches; handled backup and recovery.
• Integrated data between DB2 and Oracle; migrated the database to a new server; configured and executed DR setup with automated failover/switchover scripting for Data Guard.

Individual Contributor | Database and server migration — Linux, HP-UX, Oracle 11g/10g at Wipro Technologies (2012-06 – 2013-02)

Migrated Wipro's SAP databases from Oracle 10g to 11g on a new server platform.

• Supported Wipro Technologies' SAP and BI database migrations.
• Migrated a 10 TB database from Solaris to HP-UX and upgraded it from Oracle 10g to 11g.
• Completed cross-platform migration and upgrades for more than 20 production databases totalling 10 TB.
• Migrated Oracle 10g on UNIX to Oracle 11g on Linux via GoldenGate.
• Received the client's CEO appreciation for overall project delivery.

Oracle SME | Oracle 10g/11g, Advanced Replication, GoldenGate at Telstra (2013-02 – 2014-06)

Delivered the ECLIPS hardware and software uplift, migrating Oracle 9i databases and their host operating systems from UNIX to Linux while maintaining continuous bi-directional replication across five groups throughout the transition.

• Supported Telstra's ECLIPS migration, archive data restoration, and ongoing Oracle SME needs.
• Migrated a 5 TB database from Solaris to Linux.
• Executed the migration using Oracle Advanced Replication and GoldenGate.
• Received client appreciation for overall project delivery.

DBA Lead Consultant | Oracle 10g/9i, ASM at Sprint (2006-06 – 2009-06)

Provided production support for Sprint's Oracle database environment.

• Supported Sprint's database administration across production systems.
• Led a ten-member team providing round-the-clock production support.
• Migrated databases to Oracle 9i, 10g, RAC, and ASM.
• Managed backup and recovery via RMAN, including standby database setup and Data Guard broker configuration.
• Set up Grid Control, scheduled jobs, and generated reports through Grid Control.

Oracle DBA at Sun Microsystems (2005-12 – 2006-06)

• Provided production database administration support, including tablespace, table, index, and user creation, and RMAN backup scheduling.
• Performed performance monitoring via AWR reports and cluster maintenance for an ERP application; applied patches and quarterly maintenance.
• Refreshed production data to test and model-office environments and supported customers globally.

Senior Software Engineer at Polaris Software Lab — Symrise (2004-10 – 2005-12)

• Provided offshore production database support for Symrise's Singapore data center.
• Migrated legacy databases to Oracle 9i and managed production monitoring via OEM.
• Configured and maintained Data Guard on Oracle 9.2, tuned shared pool, DB buffer cache, and redo buffers.
• Designed backup methodologies using RMAN, online backups, and export/import.

Systems Specialist at Sundaram InfoTech Solutions (2004-07 – 2004-10)

• Maintained 15 databases across Windows, Linux, and UNIX platforms.
• Designed backup and recovery strategies and established database links for connectivity.
• Configured databases with OEM and migrated 150 databases from Oracle 8i to 9i.

Assistant Manager – Systems at Jai Parabolic Springs — IOLIPS (Manufacturing ERP) (2004-01 – 2004-07)

• Supported database maintenance and IOLIPS (ERP) development in Oracle Forms and Pro*C.
• Developed and implemented backup and recovery strategies for hot/cold backups and archiving.
• Performed database capacity planning and installed and maintained the mail server on Linux.

Systems Engineer at ORG Informatics — Dairy ERP (2000-07 – 2004-01)

• Supported databases and ERP systems for government projects on UNIX and Oracle 7.
• Tuned Linux kernel parameters and installed database and application servers.
• Installed and configured Oracle on Supermax servers with hardware RAID-5.
• Migrated data from Oracle 7 to 8i, and later from Oracle 8.1.5 to 8.1.7.

Head, Dept. of Computer Science at Sri Sankara Arts & Science College (1998-07 – 2000-07)

Master of Business Administration in Systems – University of Madras (1998 – 2001)

Master of Computer Science (M.Sc.) – Bharathidasan University, Trichy (1995 – 1997)

Bachelor of Computer Science (B.Sc.) – Bharathidasan University, Trichy (1991 – 1994)