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Zahid H
@zahidhussaindba
Oracle DBA, GoldenGate and Migration Specialist
Canadá
Inglês
Sobre mim
I've kept Oracle databases running for Bank of Canada, CIBC, Scotiabank, FIS and the Canadian federal government for over 20 years. My specialty is GoldenGate replication and zero downtime migrations, including moving 300+ databases to Exadata without an outage. I also do a lot of performance tuning with AWR and ASH, plus RAC, Data Guard, RMAN and SQL Server work. If your replication is lagging, an upgrade is stuck or queries are crawling, send me a message with what you're seeing and I'll tell you honestly whether I can help.
Habilidades
Zahid H
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Administração de Banco de Dados (DBA)
I will fix your oracle goldengate lag, abends and replication errors
Administração de Banco de Dados (DBA)
I will review your oracle awr report and fix slow database performance
Experiência profissional
Senior Database Administrator
Government of Canada • Freelance
Jul 2025 - May 2026 • 10 mos
Supported production Oracle 11g/12c/19c and SQL Server 2012 to 2019 databases on prem and in Azure, including Azure SQL Database and Managed Instance, across RAC, Data Guard and Always On. Ran and troubleshot GoldenGate Microservices replication (Replicat abends, lag spikes, apply issues), tuned SQL with AWR, ASH and execution plans, and handled patching, upgrades and RMAN/Commvault recovery. Implemented TDE, RBAC and auditing to meet Protected B requirements.
Senior Database Administrator
Bank of Canada • Freelance
Apr 2022 - Apr 2025 • 3 yrs
Supported the Bank's mission critical Oracle 11g/12c/19c and SQL Server databases across RAC, Data Guard, Always On and DR environments. Ran GoldenGate and SQL Server replication between production and DR, did AWR/ASH performance tuning and capacity planning, handled RMAN and Data Pump recovery, patching and migrations, and put in TDE, auditing and masking for regulatory compliance. Led root cause analysis on production incidents with the app and infrastructure teams.
Senior DBA, Federal Government client
IBM • Freelance
Aug 2021 - Mar 2022 • 7 mos
Placed by IBM Canada with a federal government department. Led the Oracle 12c to 19c migration using Data Pump, standby and backup/restore methods, and built 19c multitenant (CDB/PDB) environments with PDB cloning for Dev, QA and UAT. Ran 3 node RAC, ASM and Data Guard on 10 TB production databases with RMAN, DD Boost and ZDLRA backups, supported Oracle on OCI, built Oracle and PostgreSQL ETL, and implemented TDE, auditing and masking for Protected B.
