Senior Oracle Database Administrator

About the role

Avensys is seeking a seasoned Senior Oracle Database Administrator to join its global IT services team. The role involves managing mission‑critical Oracle and Microsoft SQL Server environments for clients across banking, finance, insurance, healthcare, retail and supply‑chain sectors.

Key responsibilities

• Install, configure, upgrade, patch and maintain Oracle Database and Microsoft SQL Server platforms.
• Perform day‑to‑day DBA tasks: user/role management, tablespace, datafile, schema and index administration.
• Monitor performance, identify bottlenecks and execute SQL/query tuning.
• Manage Oracle RMAN backup/recovery, Data Pump operations and SQL Server backup/restore.
• Implement high‑availability solutions: Oracle Data Guard, RAC, and SQL Server Always On Availability Groups, Failover Clustering, Replication, Log Shipping and Database Mirroring.
• Carry out database upgrades, migrations, patching, refreshes, cloning and environment synchronization.
• Handle production incidents, root‑cause analysis and change management in line with SLAs.
• Enforce database security, access controls, auditing and compliance standards.
• Document procedures, runbooks and collaborate with application, infrastructure, development and cloud teams.

Required profile

• 8+ years of hands‑on DBA experience with both Oracle and Microsoft SQL Server.
• Proven track record in production support, performance tuning, backup/recovery, high‑availability and disaster‑recovery implementations.
• Strong analytical skills and ability to work under pressure to resolve critical issues.

Required skills

• Oracle 11g, 12c, 18c, 19c
• RMAN, Data Pump, SQL*Loader
• RAC, Data Guard, AWR, ASH
• SQL Server 2012‑2022, T‑SQL
• Always On Availability Groups, Failover Clustering, Replication, Log Shipping, Database Mirroring
• Backup and restore, performance tuning, database security