Jesten Ranger
Oracle Apps DBA Consultant
Bengaluru
Summary
- High-performing Oracle Apps DBA and Linux Administrator with a consistent "Star Award" Performer track record and top performance "A" ratings for consecutive years.
- I specialize in managing Oracle EBS R12.2 environments, including expert-level ADOP (Online Patching) cycles, fs1/fs2 management, and complex cloning on Oracle Linux 8.1.
- I possess deep expertise in security hardening, including SSL/TLS certificate lifecycle management and applying critical Database Release Updates (RU 19.29), CPUs, and PSUs via OPatch and datapatch.
- Proven at resolving mission-critical Linux infrastructure failures, LVM issues, and kernel-level challenges to ensure 100% system uptime.
Overview
4
4
years of professional experience
4
4
Languages
Work History
Oracle Apps DBA Consultant
Tata Consultancy Services(TCS)
08.2024 - Current
- Managing and optimizing Oracle E-Business Suite R12.2 environments for a prestigious Government Port client (NMPT), ensuring high availability and compliance with government IT standards.
- Responsible for ADOP (Online Patching) cycles, EBS cloning, database restoration, and critical RU/CPU/PSU patching via OPatch and datapatch.
- Perform WebLogic administration, services bouncing, and ERP production deployments while proactively tuning database performance to ensure 99.9% system uptime on 4 production servers.
Linux System Administrator
Tata Consultancy Services(TCS)
10.2022 - Current
- Administered multi-tiered Linux server infrastructure at Government Port client (NMPT), ensuring high availability, security, and compliance with government IT standards.
- Responsible for server hardening, SSL/TLS certificate lifecycle management, virtualization and storage management using OLVM, 3PAR, StoreOnce, and iLO.
- Proactively identified and resolved mission-critical Linux infrastructure failures, LVM issues, and kernel-level challenges to maintain 99.9% system uptime on 17 production servers.
- Continuing to manage Linux infrastructure alongside Oracle Apps DBA responsibilities, demonstrating dual-domain expertise trusted by client & TCS leadership.
Education
MCA - Computers
St. Joseph Engineering College
Mangalore01-2021
BCA - Bachelor of Computer Applications - Computer Applications (General)
alva's degree college
01-2020
Skills
Restoration
RMAN
Backup
Apps DBA
Oracle Apps Dba
Cloning
Patch Management
Oracle Admin
Oracle DBA
Linux Administration
Linux
WebLogic Administration
Opatch
SSL Certificate Management
Oracle E-Business Suite
High Availability
OS And DB Upgradation
OS And EBS Patching
Oracle RAC
Oracle Data Guard
PLSQL
SQL Performance Tuning
AWR Report Analysis
Incident Management
Social links
https://www.linkedin.com/in/jesten-ranger-71852a206?utm_source=share_via&utm_content=profile&utm_medium=member_android
Timeline
Oracle Apps DBA Consultant
Tata Consultancy Services(TCS)
08.2024 - Current
Linux System Administrator
Tata Consultancy Services(TCS)
10.2022 - Current
MCA - Computers
St. Joseph Engineering College
BCA - Bachelor of Computer Applications - Computer Applications (General)
alva's degree college