Summary
Overview
Work History
Education
Skills
Timeline
Generic

Aman Kumar Shaw

Kolkata

Summary

Oracle Database Administrator with 6+ years of experience in production and non-production environments, with strong expertise in database security, backup/recovery (RMAN), Oracle RAC, and Exadata. Hands-on with automation tools like Ansible and Jenkins, supporting high-availability infrastructure. A reliable and collaborative team player in time-critical environments.

Overview

7
7
years of professional experience

Work History

Site Reliability Engineer

Tata Consultancy Services
02.2025 - Current
  • Project Details: European Telecommunication Company
  • Automated bulk database start / stop script using Ansible and shell scripting.
  • Automated execution of scripts across various databases using Ansible.
  • Automated export and import task using Ansible and CI/CD pipeline.
  • Automated oracle database creation , user creation and tablespace creatin using Ansible and CI/CD pipeline.

Senior Database Administrator

Tata Consultancy Services
03.2022 - 08.2024
  • Project Details: European Telecommunication Company
  • Installed, configured and maintained oracle databases on Linux and CentOS environment.
  • Determined and implemented best practices for oracle setup, installation, configuration, monitoring, sizing, capacity planning, backup and recovery strategies.
  • Implemented Dataguard (physical) for HA / DR solution.
  • Setup jobs and events using Enterprise Manager (OEM).
  • Implemented Oracle Database Upgrade from lower version to 19C.
  • Implemented Oracle Database Migration from Lower RHEL Version OS / CENT OS to Latest Version RHEL OS.
  • Automated backup Report through Shell Scripting.
  • Migration of Production database from Windows Server to Linux Server.
  • Worked on backup and recovery strategies using RMAN.
  • Refreshing or cloning of databases from production to development using RMAN Duplicate or RMAN backups.
  • Automating the Database RMAN Refresh through Shell Script.
  • Performed quarterly Oracle Database Patching in production and test environment.
  • Maintained multi-node RAC environment on Exadata.
  • Wrote Shell script and schedule them for crontab for Database Monitoring and Health Checks.
  • Raising SR (Oracle Service Request) for complex issue and working closely with oracle to resolve the issue.

Database Administrator

Accenture
01.2020 - 03.2022
  • Project Detail: Multinational Car Manufacturing Company
  • Point in time cross-restoration of Oracle and PostgreSQL Database.
  • Oracle, PostgreSQL and MySQL database creation and decommission.
  • Performed database binary patching though automation (Ansible).
  • Migration/ Patching of Oracle and POSTGRE SQL database from lower to higher environment.
  • Performed refresh activity through Data pump utility and RMAN utility.
  • Experience in Performance Tuning by using tools / utilities like Automated Workload Repository (AWR).
  • Reduction of Incident by analyzing the problem.
  • Gained knowledge in shell scripting to support Automation.
  • Troubleshooting and resolving critical production database issues within the given SLA
  • Supporting production changes, incidents, and problems through Ticketing Tools.

Oracle Database Administrator

Cognizant Technology Solution
11.2018 - 01.2020
  • Project Details: European Telecommunication Company
  • Automated bulk database start / stop script using Ansible and shell scripting.
  • Automated execution of scripts across various databases using Ansible.
  • Automated export and import task using Ansible and CI/CD pipeline.
  • Automated oracle database creation , user creation and tablespace creatin using Ansible and CI/CD pipeline.

Education

BTECH - Electronic and Communication Engineering

MCKV Institute of Engineering
Howrah, West Bengal
01.2018

Intermediate - Science

M.G. Rungta Academy
Kolkata, West Bengal
01.2014

Matriculation - undefined

Khalsa High School
Kolkata, West Bengal
01.2012

Skills

  • Databases Technologies: Oracle (10g–19c), Oracle RAC, MySQL, PostgreSQL
  • Oracle Technologies: Oracle RAC, Data Guard, ASM, RMAN, OEM, Golden Gate, OCI, Exadata (including Exadata Cloud at Customer)
  • DevOps Tools: Ansible, AWX, Gitlab, CI/CD pipeline
  • Programming/Scripting: Shell Script, Ansible YAML, Jenkins
  • Monitoring Tool: Service Now (SNOW), HPSM, HPPM

Timeline

Site Reliability Engineer

Tata Consultancy Services
02.2025 - Current

Senior Database Administrator

Tata Consultancy Services
03.2022 - 08.2024

Database Administrator

Accenture
01.2020 - 03.2022

Oracle Database Administrator

Cognizant Technology Solution
11.2018 - 01.2020

BTECH - Electronic and Communication Engineering

MCKV Institute of Engineering

Intermediate - Science

M.G. Rungta Academy

Matriculation - undefined

Khalsa High School
Aman Kumar Shaw