Database Administrators

6 days ago

Bengaluru, Karnataka, India DICETEK LLC Full time ₹ 20,00,000 - ₹ 25,00,000 per year
Description

Job Summary:

We are looking for a highly skilled and experienced Oracle Exadata Technical Lead to oversee the architecture, deployment, performance, and availability of Oracle databases running on Oracle Exadata (19c). The ideal candidate will lead a team of DBAs, provide expert-level support and performance tuning, and ensure the optimal utilization of Exadata engineered systems across production and non-production environments.

Key Responsibilities:

  • Lead the architecture, implementation, and administration of Oracle Exadata systems (X7/X8/X9/X10) running Oracle Database 19c.
  • Ensure high availability, disaster recovery, performance tuning, and capacity planning of Exadata environments.
  • Manage and support Oracle RAC, ASM, Data Guard, and GoldenGate configurations.
  • Perform patching (Grid Infrastructure, DB, and Exadata firmware), one-off fixes, and quarterly PSU/ RU updates.
  • Optimize storage and compute usage via cell offloading, smart scans, Hybrid Columnar Compression (HCC), and IORM.
  • Troubleshoot performance issues using AWR, ASH, OEM, SQL Monitor, and Exadata logs.
  • Oversee and guide database cloning, refresh, and migration activities using RMAN and Data Pump.
  • Collaborate with infrastructure and application teams to support new project rollouts, upgrades, and go-lives.
  • Provide hands-on leadership in incident resolution, root cause analysis, and preventive maintenance.
  • Lead efforts around disaster recovery drills, Exadata snapshot creation, and backups/restore validation.
  • Maintain and enforce IT security policies, user access management, and auditing.
  • Document architecture, configuration, SOPs, and knowledge transfer to junior DBAs.
  • Provide on-call support for critical production databases and coordinate L2/L3 issue resolution with Oracle Support (MOS/SR).

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