Ambasa Navi Mumbai India

Ambasa

Oracle DBA Trainer in Navi Mumbai
Location
Navi Mumbai, India
Trainer Since
January, 2005
Database
Oracle DBA
PostgreSQL Database Administration
MySQL Database Administration
Oracle Database Performance Tuning
AWS Solutions Architect
Oracle Dataguard Administration
Oracle GoldenGate
Oracle Exadata
Oracle cloud infrastructure
Location
Navi Mumbai, India
Trainer Since
January, 2005
Database
Oracle DBA
PostgreSQL Database Administration
MySQL Database Administration
Oracle Database Performance Tuning
AWS Solutions Architect
Oracle Dataguard Administration
Oracle GoldenGate
Oracle Exadata
Oracle cloud infrastructure

Oracle DBA Trainer in Navi Mumbai

About Ambasa

Ambasa is a seasoned Oracle/PostgreSQL/MySQL Database Administrator (DBA) and Corporate Trainer with an illustrious career spanning over 19 years. His expertise encompasses a wide array of critical areas within the realm of database management, including Oracle RAC, Oracle Data Guard, Oracle Goldengate, Oracle Exadata, Oracle Database Performance Tuning, PostgreSQL Database Administration, MySQL Database Administration, AWS Solution Architect Associate, and Oracle Cloud Infrastructure Architect Associate training.

Throughout his career, Ambasa has honed his skills in planning, installation, implementation, management, and tuning Oracle/PostgreSQL/MySQL databases, positioning him as a trusted authority in the field. Currently serving as an Oracle/PostgreSQL/MySQL DBA Support Consultant and Corporate Trainer, Ambasa brings a wealth of practical knowledge and hands-on experience to his training endeavors.

Ambasa's proficiency extends beyond traditional database management, deeply understanding cloud platforms such as AWS, Azure, Google Cloud Platform (GCP), and Oracle Cloud Infrastructure (OCI). He possesses a strong track record in Migration from On-premises to Cloud environments and excels in Cross-Cloud Configuration and Migration strategies.

One of Ambasa's notable strengths is his expertise in data replication techniques, including Data Guard, GoldenGate, PostgreSQL repmgr, and MySQL Group Replication with MariaDB Galera Cluster/MySQL InnoDB Cluster. His experience working on production support projects using ITIL processes underscores his ability to navigate complex operational environments with precision and efficiency.

Ambasa's technical proficiency is underscored by his extensive experience in implementing various Oracle RAC configurations (9i/10g/11gR1/R2/12c/18c/19c) with ASM/OCFS2/VCFS/RAW and Data Guard (Physical and Logical Standby Databases) utilizing DGMGRL. This breadth of experience positions Ambasa as a sought-after expert capable of delivering unparalleled insights and guidance in the dynamic landscape of database administration and cloud infrastructure management.

Ambasa is a Corporate Trainer For

Database

Training Since:
January, 2005

Oracle DBA

Training Since:
January, 2005

PostgreSQL Database Administration

Training Since:
March, 2005

MySQL Database Administration

Training Since:
March, 2005

Oracle Database Performance Tuning

Training Since:
May, 2005

AWS Solutions Architect

Training Since:
May, 2005

Oracle Dataguard Administration

Training Since:
June, 2005

Oracle GoldenGate

Training Since:
March, 2005

Oracle Exadata

Training Since:
May, 2005

Oracle cloud infrastructure

Training Since:
November, 2005

Work Experience

Support Engineer

Computer and Information Technology (IT):
January, 2005 - April, 2006

Roles & Responsibilities

  • Installed and supported Oracle on Linux platforms, ensuring seamless integration and functionality within the infrastructure
  • Designed and deployed databases based on specific requirements and resource availability, ensuring optimal performance and scalability
  • Administered database objects, including indexes, tables, views, and constraints, by entity relationship models, maintaining data integrity and accessibility
  • Created and managed user accounts, assigning appropriate quotas to ensure efficient utilization of resources and access control
  • Conducted daily hot and weekly cold backups of databases, implementing robust data protection measures to safeguard against potential data loss or corruption
  • Provided ongoing support and troubleshooting assistance to users, resolving database-related issues promptly to minimize downtime and optimize system performance

Associate Consultant DBA

Computer and Information Technology (IT):
April, 2006 - April, 2008

Roles & Responsibilities

  • Regularly monitored databases to ensure optimal performance and identify potential issues
  • Troubleshoot errors promptly, implementing effective solutions to minimize downtime and maintain data integrity
  • Conducted database patching activities, ensuring all patches were applied promptly to enhance security and performance
  • Executed cloning activities for databases, proficiently using RMAN, exp/imp, and cold backup methods to replicate production environments in testing settings
  • Configured and maintained RAC (Real Application Clusters) and Data Guard setups across Linux, Solaris, and Windows platforms, ensuring high availability and disaster recovery readiness
  • Collaborated with cross-functional teams to implement best practices and optimize database configurations for improved efficiency and reliability

Technical Officer (Oracle DBA)

Computer and Information Technology (IT):
April, 2008 - February, 2010

Roles & Responsibilities

  • Managed EMEA and WHEM BAU Database (Production, UAT, Dev.) Support, including handling P1/S1/S2/S3, P2 tickets, and addressing issues promptly
  • Executed ECM (Change Management) and SR (Service Request) processes effectively to ensure seamless operation of Oracle databases
  • Built RAC (Real Application Clusters) Databases from scratch, overseeing everything from installation to configuration
  • Installed and configured Oracle RAC databases, ensuring optimal performance and high availability
  • Applied Patch set 10.2.0.4.0 to maintain the security and stability of Oracle databases while conducting export/import operations from old single instances to new RAC databases
  • Refreshed RAC Databases through RMAN (Recovery Manager) to keep the databases up-to-date and synchronized with the latest dat

IT Infrastructure Lead

Banking, Financial Services and Insurance:
February, 2010 - December, 2011

Roles & Responsibilities

  • Led the construction and oversight of databases, including Oracle10g/11g, with proficiency in Data Guard implementation for both Physical and Logical Standby Databases, alongside DGMGRL Configuration
  • Managed the installation and creation of databases, ensuring seamless operation through the application of Interim, CPU/PSU patches, and Database Patch sets
  • Orchestrated database cloning via RMAN and export/import processes and facilitated the deployment of Release Scripts, ensuring efficient database replication
  • Crafted comprehensive Database Build Guides, offering clear and structured instructions for database setup and maintenance procedures
  • Successfully tackled numerous database recovery issues, applying adept problem-solving skills to restore functionality promptly
  • Acted as the Incident Manager for all Development, UAT, and VPT databases, establishing incident/change management protocols and creating rotas for the Incident/Change Team
  • Provided mentorship and technical guidance to team members, fostering a collaborative environment and aiding in resolving technical challenges as they arose

Systems Engineer - Oracle DBA

Computer and Information Technology (IT):
April, 2012 - May, 2014

Roles & Responsibilities

  • Led technical initiatives as a Systems Engineer—Oracle DBA, overseeing the Ingram Project and ensuring the seamless patching and upgradation of both RAC and non-RAC databases
  • Conducted comprehensive performance-tuning efforts to optimize database efficiency and responsiveness, contributing significantly to project success
  • Executed complex database cloning activities from Production to Test environments utilizing various methods, including RMAN, export/import, BCV, and cold backup, ensuring data integrity and consistency
  • Provided expert support for 10gR2/11gR2 RAC databases and Oracle Dataguard, resolving issues promptly to maintain system stability and availability
  • Directed technical operations as a Technical Lead for the Marsh Project, orchestrating the deployment of scripts and diligent monitoring of backups and alerts
  • Managed database refresh activities using exp/imp and Data Pump Utility, applied PSU patches and conducted quarterly database restores utilizing RMAN backups to uphold data resilience and disaster recovery readiness

Corporate Trainer

Computer and Information Technology (IT):
March, 2005 - present

Roles & Responsibilities

  • Create comprehensive training materials tailored to the specific needs of learners, covering topics such as Oracle DBA, RAC, DataGuard, GoldenGate, Exadata, and database performance tuning, as well as PostgreSQL, MySQL, AWS Solution Architect Associate, and Oracle Cloud Infrastructure Architect Associate
  • Facilitate engaging and interactive in-person and virtual training sessions, ensuring participants gain a deep understanding of Oracle and other database technologies, as well as cloud platforms like AWS and Oracle Cloud Infrastructure
  • Adapt training programs to accommodate various skill levels and learning styles, offering beginner—to advanced-level courses in Oracle technologies and related areas such as PostgreSQL, MySQL, AWS, and Oracle Cloud Infrastructure
  • Develop hands-on exercises and lab activities to reinforce theoretical concepts, allowing participants to gain practical experience in Oracle DBA tasks, RAC configuration, DataGuard setup, GoldenGate replication, Exadata management, and database performance tuning
  • Evaluate the effectiveness of training programs through assessments and feedback mechanisms, ensuring that participants grasp the core concepts of Oracle and other database technologies and cloud architecture principles
  • Continuously research and stay updated with the latest advancements in Oracle technologies, database administration, and cloud computing, integrating new knowledge into training materials and sessions to provide learners with the most relevant and up-to-date information

Skills

Oracle
Linux
AIX
Red Hat Linux
Unix
Solaris
Databases
Team Management
Performance Tuning
Oracle RAC
RMAN
Database Design
Shell Scripting
Data Migration
Database Administration
SQL Tuning
GoldenGate

Education

Karnatak University

Mathematics:
2001-2004

Projects

Posts

Courses

Database
Oracle DBA
PostgreSQL Database Administration
MySQL Database Administration
Oracle Database Performance Tuning
AWS Solutions Architect
Oracle Dataguard Administration
Oracle GoldenGate
Oracle Exadata
Oracle cloud infrastructure

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