Er Nasir

Experienced and dedicated Oracle Database Administrator with 5+ years of expertise in managing mission-critical databases across 12c, 19c, and higher versions. Skilled in Oracle RAC, Data Guard, ASM, RMAN backup/recovery, performance tuning, and database patching. Proficient in installation, configuration, upgrades, and migration in both standalone and clustered environments. Strong understanding of PDB/CDB architecture and Oracle Enterprise Manager (OEM).

Proven ability to maintain high availability and ensure data security in 24x7 production environments. Adept at troubleshooting complex issues and collaborating with cross-functional teams to deliver optimized database solutions.

✅ Key Skills:

Oracle RAC & Active Data Guard

Performance Tuning & AWR/ASH Analysis

RMAN Backup & Recovery

Database Installation & Upgrades

ASM, OEM, and PDB/CDB Architecture

Patch Management & Security Compliance

Incident Handling & Root Cause Analysis

Open to challenging opportunities where I can contribute my expertise and grow with the organization.

Oracle Database Administrator with 5+ years of experience in managing and supporting Oracle databases (12c, 19c) in production environments. Skilled in Oracle RAC, Data Guard, ASM, RMAN, performance tuning, and database upgrades. Proven expertise in ensuring high availability, data integrity, and performance optimization. Strong troubleshooting abilities and a commitment to delivering secure, stable, and scalable database solutions.

Bachelor of Engineering (B.E.) in Mechanical Engineering from Aurangabad University. Alongside my core engineering degree, I pursued specialized training and certifications in Oracle Database Administration, gaining hands-on expertise in RAC, Data Guard, ASM, RMAN, and performance tuning.