Balwinder Singh
Yamuna Nagar
Summary
Accomplished Sr. Advanced Services Engineer with extensive experience in database administration and management, specialising in Oracle technologies. Proven track record in optimising database performance, implementing disaster recovery strategies, and executing seamless migrations from non-Exadata to Exadata environments. Expertise in logical and physical backups, RMAN, Data Pump Administration, and Oracle RAC. Demonstrated ability to manage large-scale data warehouses up to 300 TB and lead complex projects for high-profile clients such as IBM and Oracle India Pvt. Ltd. Adept at performance tuning, PSU database patching, grid patching, and ensuring high availability of critical databases. Career goal: To leverage extensive technical skills and project management expertise to drive innovation and efficiency in database solutions for leading organisations.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Sr. Advanced Services Engineer (Database)
Oracle India Pvt. Ltd
Mumbai
01.2023 - 06.2024
- Taking care all DR Database activities.
- Maintenance of DR sites, monitoring for archive log gap.
- Recreate standby database if needed.
- PSU Patching as per Oracle latest release on database and as well as grid.
- Restoration of Database of 19c Database.
- Oracle Client Installation.
- Convert database in Snapshot standby and convert back to physical standby.
- DR -Drill activities.
- New Setup of oracle 19c as per requirement of client.
- Standby database creation and DGMGRL configuration.
- Performance Tuning.
- Maintenance of Data Warehouse up to 300 Tb.
- Client:- Punjab National Bank, Mumbai
Freelancer Database Administrator
Haryana Sikh Gurdwara Management Committee
Kurukshetra, Haryana
08.2021 - 12.2022
- Optimized project efficiency by creating and implementing effective task management strategies.
- Utilized advanced software tools to produce visually appealing designs for client projects.
- Cultivated positive relationships with vendors to deliver timely and cost-effective supply of services and materials.
- Created a web portal for all type of donation and created a dashboard to monitor the funds using Mysql in backend.
- Improved project outcomes by proactively addressing potential issues and offering creative solutions.
- Developed effective improvement plans in alignment with goals and specifications.
- Kurukshetra (Haryana), India
Consultant
HCL Technologies
Noida
08.2021 - 12.2022
- Migrate databases from non-exadata boxes to Exadata as per scheduled downtime.
- Encrypt all production database after migrating to Exadata.
- Exadata Infra Patching and GI/DB patching.
- Apply all Security compliance on migrated database (prod and non-prod).
- Follow complete ITIL process to implement all above changes and handover sign-off once complete activities.
- Taking care project work.
- Creation of New Databases, Container, PDB (12c / 19c) as per requirements.
- Up-gradation of databases from 12c to 19c (with PDB) as per scheduled downtime.
- Standby database creation and DGMGRL configuration.
- PSU Patching as per Oracle latest release on database and as well as grid.
- Client :-HCLISD EUROPE DEL-NORD , Noida, India
Oracle Database Administrator Lead
IBM
Pune
07.2015 - 08.2021
- Established working relationships across various departments to understand existing and emerging IT requirements.
- Developed and updated databases to handle customer data.
- Liaised with system administrators to monitor, troubleshoot, triage and provide RCAs for incidents.
- Reduced downtime by proactively monitoring and addressing potential issues with Oracle Database system.
- Oracle RDBMS Installation.
- Performed Database/Instance upgrades in multiple environments.
- Providing database administration/monitoring/backup/DR related jobs.
- Recovery of database (Cold, Hot, Import, RMAN).
- Database Rebuild/Restore/Refresh.
- Restore and test databases/applications as per requirements.
- Resolved replication issues in Goldengate.
- Performance Tuning.
- Install OEM agent, register with OMS.
- Providing support for existing RAC setups and Data Guard setups.
- Managed and installed of RAC 11g/12c/13c and 19c on Red Hat Linux.
- Implementation and maintenance of Standby/DR.
- Maintenance of Data Warehouse up to 90 Tb.
- Install Oracle agents and Discover in OEM console.
- ORACLE CLUSTERWARE installation.
- Using various flashback technologies to recover data as and when needed.
- Maintenance of DR sites, monitoring for archive log gap. Recreate standby database if needed.
- Modified databases to meet needs and goals determined during planning process.
- Streamlined backup processes, ensuring timely recovery in case of data loss or system failure.
- Troubleshot database issues to create and resolve trouble tickets.
- Pune
Sr. Database Administrator (L3)
THAKRAL ONE SDN BHD
Kuala Lumpur
07.2012 - 06.2015
- All L3 related Activity (Like: Team handling, Patching Activities.
- Standalone / RAC Installations, Follow ITIL process, Handle P1, P2 tickets.
- Attend Internal/external Meetings related to daily /weekly tickets details.
- Communicate with Oracle support to troubleshoot ora errors.
- Plan downtimes for activities and test all plan in QA and Test servers and should be complete task within SLA on production.
- Handle performance Issues.
- Ensured high availability of critical databases by implementing proactive monitoring and disaster recovery strategies.
- Reduced downtime during system upgrades by planning and executing seamless migration processes.
- Client: Mizuho Corporate Bank, Kuala Lumpur, Malaysia
Database Administrator
IBM India Pvt Ltd
Pune
11.2010 - 06.2012
- Streamlined backup and recovery processes, enhancing overall system stability and availability.
- Optimized database performance by monitoring health and implementing tuning recommendations.
- Set up and controlled user access levels across databases to protect important data.
- Recovery of database (Cold, Hot, Import, RMAN).
- Database Rebuild/Restore/Refresh.
- Restore and test databases/applications as per requirements.
- Performance Tuning.
- Install OEM agent, register with OMS.
- Providing support for existing RAC setups and Data Guard setup.
- Managed and installed of RAC 11g R2 on Red Hat Linux 5 and Linux 6.
- Implementation and maintenance of Standby/DR.
- Install Oracle agents and Discover in OEM console.
- Configuring RMAN hot backup and FRA backups for RAC and other standalone databases.
- Using various flashback technologies to recover data as and when needed.
- Reduced data retrieval times for business users by creating indexed views and optimizing stored procedures.
- Delivered successful database migration projects, ensuring seamless transitions with minimal disruption to business operations.
- Worked with staff to develop and implement procedures to prevent data loss and maximize system availability.
- Implemented security measures to protect vital business data.
- Client : Bharti Airtel, Pune
Database Administrator (DBA)
Telecom Software Corporation Ltd
Chandigarh
10.2008 - 10.2010
- Day to day Database Administration, Implementation and Maintenance.
- Managed time efficiently in order (ticket/Service Request) to complete all tasks within deadlines.
- Strengthened communication skills through regular interactions with others.
- Managed time efficiently in order to complete all tasks within deadlines.
- Demonstrated respect, friendliness and willingness to help wherever needed.
- Paid attention to detail while completing assignments.
- Chandigarh
Education
Bachelor of Commerce -
Guru Nanak Khalsa College
YamunanagarPost Graduate Diploma in Personnel Management -
HP University
ShimlaSkills
- Logical & Physical Backup
- RMAN
- Data pump Administration
- OEM
- Database Conversion
- Migration
- Project Management
- Software Configuration Management
- Release Management
- Configuration Management
- Migrations via RMAN
- Standby
- TTS
- Goldengate
- Upgrades 12c to 19c
- PSU Database Patching
- Grid Patching
- Oracle RAC
- Problem-solving abilities
Certification
- 1Z0-184-25 Oracle AI Vector Search Professional
- 1Z0-1127-25 Oracle Cloud Infrastructure 2025 Generative AI Professional
- 1Z0-1145-1 Oracle Fusion AI Agent Studio Foundations Associate - Rel 1
- 1Z0-076 Oracle Database 19c: Data Guard Administration
- 1Z0-082 Oracle Database Administration I
- MariaDB training from IBM
- Oracle Real Application Cluster 10G Release 1 training from Oracle
- Oracle Real Application Cluster 11g and Grid Infrastructure Administration
- Oracle Database 11g Administrator Certified Professional
- Oracle Database 10g Administrator Certified Professional
- Oracle Database 9i Administrator Certified Professional
- ITIL V3 Foundation certified (ITIL V3)
Accomplishments
- Best Performance award from IBM
- IBM Performance (2010-2011): I have got Excellent Contribution rating from my managers level 1 and level 2
- THAKRAL ONE SDN BHD: Certificate of Appreciation (Mizuho Corporate Bank)
Websites, Portfolios and Profiles
https://www.linkedin.com/in/balwinder-singh-821895
Timeline
Sr. Advanced Services Engineer (Database)
Oracle India Pvt. Ltd
01.2023 - 06.2024
Freelancer Database Administrator
Haryana Sikh Gurdwara Management Committee
08.2021 - 12.2022
Consultant
HCL Technologies
08.2021 - 12.2022
Oracle Database Administrator Lead
IBM
07.2015 - 08.2021
Sr. Database Administrator (L3)
THAKRAL ONE SDN BHD
07.2012 - 06.2015
Database Administrator
IBM India Pvt Ltd
11.2010 - 06.2012
Database Administrator (DBA)
Telecom Software Corporation Ltd
10.2008 - 10.2010
Bachelor of Commerce -
Guru Nanak Khalsa College
Post Graduate Diploma in Personnel Management -
HP University