SUNDARRAJAN R
Chennai,India
Summary
Seasoned Oracle Core & Apps DBA with over 13 years of experience in managing mission-critical databases across Windows and Linux platforms. Proven expertise in database administration, high availability, performance tuning, EBS application support, and leading teams in fast-paced, enterprise environments. Adept in cloud fundamentals with Trained-on knowledge of AWS (EC2, S3, RDS) and modern backup tools like Rubrik.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Consultant – Oracle Core DBA
HCL Technologies
12.2014 - Current
- Expertise in database design, architecture, installation, configuration, upgrades, replication, cloning, backup/recovery, performance tuning and database security
- Managing over 200+ Oracle databases on both Linux and Windows servers
- Leading a 6-member offshore DBA team; managing client interactions and escalation calls
- Planned and implemented Oracle PSU patching across prod/non-prod environments
- Migrated Oracle DB backups to Rubrik backup solution with snappable volumes
- Set up and monitored standby databases with FSFO and conducted annual DR drills
- Good exposure in RMAN Backup and restore for the cloning activity using RMAN Duplication
- Expertise in DB upgrade activties from 11g/12c to 19c using Auto-upgrade Tool .
- Backup configuration through RMAN (Levl0 & Level1) and troubleshooting backup failure issues.
Project Engineer – Oracle Core & Apps DBA
Wipro Technologies
11.2011 - 12.2014
- Supported Oracle 11gR2 databases and EBS R12.1.3 in a 24/7 production environment
- Involved in performance tuning, backup/recovery, and EBS environment refresh activities
- Maintained HA setups, cloned environments, and conducted environment audits.
- Involved in Application patching activities using adpatch and have good knowledge on other AD utilities.
- Worked on EBS SSL Renewal activity and RYSNC replication of apps files to DR and good at scheduling croniobs for alert monitoring and purging scripts.
Education
Bachelor of Engineering - EEE
PSNA College of Engineering And Technology
HSC - undefined
Tagore Matric Hr Sec School
SSLC - undefined
Vidya Mandir Matric Hr Sec School
Skills
- Oracle Core & Apps DBA
- Database Upgrades (12c to 19c)
- High Availability (RAC/Standby DBs)
- Tools: OEM, TOAD, SolarWinds
- EBS R1213 Support
- RMAN, Cloning, Tuning
- DR Setup & Testing
- OS: Windows, Linux, AWS Services
Accomplishments
· O infinity Awards for continuous best performance in the past years by HCL
· Excellence reward from the client for Steadfast dedication.
Certification
- Completed OCA Certification with Oracle 12C.
- AWS Solutions Architect (Training Completed) – EC2, S3, RDS, IAM, Load Balancers
- Linux Administration – User/Group Management, Volumes, OS Install, Firewall Config
Timeline
Consultant – Oracle Core DBA
HCL Technologies
12.2014 - Current
Project Engineer – Oracle Core & Apps DBA
Wipro Technologies
11.2011 - 12.2014
HSC - undefined
Tagore Matric Hr Sec School
SSLC - undefined
Vidya Mandir Matric Hr Sec School
Bachelor of Engineering - EEE
PSNA College of Engineering And Technology
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