Oracle Database Administrator

Job Title:

Experience:

About CirrusLabs

CirrusLabs

mission

values-driven organization

Role Overview

Database Administrator (DBA)

You will be responsible for ensuring database availability, reliability, and performance while performing installations, upgrades, patching, and recovery operations in both production and non-production environments.

Shift Timings

• Shift 1:

  7:00 AM – 4:00 PM

• Shift 2:

  10:00 AM – 7:00 PM

• Shift 3:

  12:00 PM – 9:00 PM

Key Responsibilities

Database Installation, Configuration & Maintenance

• Install, configure, and manage

  Oracle 12c and 19c

  databases on

  Linux

  ,

  AIX

  , and

  Windows

  platforms.
• Perform

  RAC database maintenance

  including installation, troubleshooting, and tuning.
• Manage

  Data Guard

  and execute

  Business Continuity (BCP)

  tests.
• Install and configure

  OEM (Oracle Enterprise Manager) 13c

  , including agents and monitoring templates.
• Conduct

  OMS patching

  , upgrades, and OEM incident rule configuration.

Backup, Recovery & Cloning

• Implement and manage

  RMAN backups and restores

  (incremental, full, and automated).
• Schedule and monitor backup jobs through

  OEM Grid Control

  .
• Perform

  logical backups

  using

  Export/Import

  and

  Data Pump utilities

  .
• Clone and refresh databases for development and testing environments.
  
• Restore and recover databases during crashes or corruption scenarios.
  

Performance Tuning & Troubleshooting

• Conduct

  database performance tuning

  using AWR, ADDM, and ASH reports.
• Troubleshoot slow-running SQL queries and optimize resource usage.
  
• Implement high availability strategies and RAC optimization.
  

Patching & Upgrades

• Apply

  quarterly PSU patches

  to OMS, agents, CRS, ASM, and databases using OEM deployment and manual methods.
• Perform

  database version upgrades

  (e.g., 11gR2 12c 19c).
• Implement

  fleet maintenance

  and proactive patch deployment strategies.

Monitoring & Automation

• Develop and schedule

  UNIX/Windows-based monitoring scripts

  for daily health checks.
• Configure

  OEM alerts, incidents, and notification rules

  for proactive monitoring.
• Automate routine DBA tasks using

  Shell

  ,

  Python

  , or

  PowerShell

  scripting.

Cross-Platform Database Support

• Manage critical production, development, and test databases across

  AIX, Linux, and Windows

  .
• Provide

  24/7 on-call support

  and root-cause analysis for high-priority incidents.
• Maintain compliance with internal and external security and data protection policies.
  

Required Skills and Experience

• 3–6 years

  of core Oracle database administration experience.
• Expertise in

  Oracle 12c and 19c

  database installation, upgrades, and maintenance.
• Strong knowledge of

  Linux/AIX

  system administration.
• Proven experience with

  RAC

  ,

  Data Guard

  ,

  BCP

  , and

  RMAN

  .
• Skilled in

  performance tuning

  ,

  troubleshooting

  , and

  backup/recovery

  .
• Proficiency in

  OEM 13c

  —installation, configuration, agent deployment, and job scheduling.
• Experience in

  database cloning, patching, and migration

  .
• Familiarity with

  PSU patch application

  (manual and OEM deployment).
• Experience in

  OMS patching

  and

  incident management

  .
• Knowledge of

  RAC architecture

  and high availability configurations.
• Basic exposure to

  MongoDB, SQL Server, or PostgreSQL

  is a plus.

Good to Have

• Oracle

  OCP / OCA Certification

  .
• Experience with

  Cloud Databases (AWS RDS, Azure SQL, or OCI)

  .
• Understanding of

  MongoDB replication

  ,

  PostgreSQL tuning

  , or

  SQL Server administration

  .
• Strong scripting experience for automation.
  
• Knowledge of

  ITIL

  processes for incident and change management.

Key Attributes

• Strong analytical and problem-solving skills.
  
• Excellent communication and collaboration abilities.
  
• Ability to work independently in a 24x7 environment.
  
• High attention to detail with a commitment to service excellence.
  
• Self-driven, adaptable, and eager to learn emerging database technologies.