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 Bengal01.2018
Intermediate - Science
M.G. Rungta Academy
Kolkata, West Bengal01.2014
Matriculation - undefined
Khalsa High School
Kolkata, West Bengal01.2012
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