Oracle Database Administrator

2 weeks ago

delhi, India Alchemy Techsol Full time
Role : Oracle DBA
Exp : 8+
Location : Bangalore
Mandatory skills : Oracle DBA, Any scripting (shell Preferred), Any cloud (AWS Preferred), Performance tuning, SQL
Mode of work : Hybrid
Notice Period : Immediate to 30 days.
Position Overview:
As an Oracle DBA, you will be responsible for managing and maintaining our Oracle database systems to ensure optimal performance, security, and availability. This role requires strong technical expertise in Oracle database administration and the ability to write efficient scripts to automate tasks and enhance system performance.
Key Responsibilities:
Database Installation and Configuration: Install, configure, and upgrade Oracle database software and related products to ensure smooth and efficient operations.
Database Maintenance: Monitor and maintain the health, security, and performance of Oracle databases. Perform regular backups, restores, and recovery operations to ensure data
integrity and minimize downtime.
Performance Tuning: Identify and analyse performance bottlenecks, tune SQL queries, and optimize database configurations to improve system performance and response times.
Use tools and techniques to monitor and diagnose performance issues.
Scripting and Automation: Develop and maintain scripts to automate routine database administration tasks such as monitoring, backup and recovery, database performance tuning,
and data validation. Write efficient SQL and PL/SQL scripts to perform data manipulation and analysis.
Database Security: Implement and maintain database security measures to protect sensitive data. Ensure compliance with industry best practices and company policies. Monitor and resolve security vulnerabilities and access control issues.
Database Troubleshooting and Problem Resolution: Identify and resolve database-related problems, including errors, data inconsistencies, and performance issues. Collaborate with developers and system administrators to troubleshoot and resolve complex issues.
Database Design and Capacity Planning: Collaborate with application developers and system architects to design and implement effective database solutions. Perform capacity
Planning to ensure databases can handle current and future data growth.
Documentation and Reporting: Maintain accurate and up-to-date documentation of database configurations, procedures, and troubleshooting guides. Generate regular reports on database performance, capacity, and availability.
Collaboration and Communication: Work closely with cross-functional teams, including developers, system administrators, and network engineers, to ensure seamless integration and optimal performance of database systems. Provide technical guidance and support to team members as needed.
Hands on experience in administering database systems running on Oracle 10g,11g,12C,19c database
Expertise in managing high availability solutions RAC, DataGuard, ASM, Golden Gate, Exadata, Oracle Multitenancy
Expertise in Database maintenance activities and optimise including RMAN backups, Restores etc.
Expertise in Installation, administration and troubleshooting of Oracle 19c/12c/11g/10g/9i for OLTP (multiple instances)/ OLAP environment on Very Large or Highly Transactional Databases
Experience in Performance Tuning using EXPLAIN PLAN, SQLTRACE, TKPROF, STATSPACK, AWR and ADDM.
Expertise in setup, installation, configuration, maintenance and troubleshooting of several Oracle tools and utilities like Oracle Enterprise Manager (OEM -13.3/13.4), Oracle SQL Developer
Expertise in setup/implementation/maintenance of Real-Application-Cluster (RAC) of 2/3 Node RAC on 11g/12c/19c.
Experience of Oracle Golden Gate installation, configuration and troubleshooting Golden Gate Extract and Replicate issues
Expertise in Configuration and Management, troubleshooting of Data Guard 19c/12c/11g
Expertise in Upgradation of databases from lower version (9i/10g/11g) to higher version (12c/19c).
Experience in managing cloud database in AWS RDS / Google RDS / Oracle exacs
Expertise in SQL Tuning, SQL Optimization, Cost based optimization and Hints
Sound understanding of system configuration parameters, using OEM
Hands on experience on public cloud (AWS, GCP)
Understanding of ITIL processes

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