Mobashir Ahmed Zakri
Kolkata
Summary
Oracle Database Administrator with 5+ years of relevant experience and 7.5+ years of overall professional experience in Oracle Database Administration, AWS RDS, Oracle on EC2, RMAN Backup & Recovery, Data Guard Administration, Database Upgrades, Patching, and Linux Administration.
Experienced in managing production databases, implementing disaster recovery solutions, performing database migrations, upgrades, cloning, and troubleshooting critical incidents. Strong knowledge of Oracle 11g, 12c, and 19c databases in enterprise environments. Proven ability to work effectively with cross-functional teams while ensuring high availability, performance, and security of mission-critical database systems.
Overview
1
1
Certification
11
11
years of professional experience
Work History
System Engineer (Oracle Database Administrator)
Tata Consultancy Services
07.2024 - Current
- Administer Oracle databases hosted on AWS EC2 and Oracle RDS environments.
- Configure and maintain Oracle Data Guard environments for disaster recovery.
- Resolve archive log gaps and Data Guard synchronization issues.
- Perform database refresh activities using RMAN backups from tape.
- Execute database restoration and recovery using NetBackup.
- Apply quarterly database patches and security updates.
- Install and configure Oracle 19c databases on new servers.
- Configure and monitor Oracle Enterprise Manager (OEM).
- Manage ServiceNow incidents, service requests, and production changes.
- Coordinate CAB approvals and production deployments.
- Technologies: Oracle 19c, AWS RDS, Oracle on EC2, RMAN, Data Guard, OEM, NetBackup, Linux
Oracle Database Administrator
Teamware Solutions Pvt. Ltd.
12.2022 - 07.2024
- Installed and configured Oracle 19c databases in Linux environments.
- Performed database upgrades across Production, UAT, and Development environments.
- Built and configured database and Data Guard servers.
- Managed tablespaces, datafiles, and database storage.
- Performed RMAN backup and recovery operations.
- Created and maintained Standard Operating Procedures (SOPs).
- Executed quarterly database and OS patching activities.
- Administered Oracle Data Guard environments.
- Monitored alert logs and trace files.
- Performed database refreshes using Export/Import and Data Pump utilities.
- Client: Tata Consultancy Services
- Technologies: Oracle 11g/19c, RMAN, Data Guard, Linux, OEM, Data Pump
Project Coordinator
Steelman Telecom Pvt. Ltd.
08.2020 - 04.2022
- Coordinated project activities and stakeholder communications.
- Managed reporting, project updates, and customer escalations.
- Generated AWR, ADDM, and Statspack reports for database performance analysis.
- Managed RMAN backup and recovery operations.
- Created operational documentation and SOPs.
- Provided technical support to application development teams.
JC FTTH Assistant Manager
Reliance SMSL
11.2018 - 07.2020
- Managed service delivery and operational support.
- Conducted technician training and mentoring programs.
- Ensured SLA compliance for installations and fault repairs.
- Improved customer satisfaction through effective issue resolution.
- Managed territory-wide home connect and care operations.
- Project: Fiber to the Home (FTTH)
Coordinator
AV Telecom Pvt. Ltd.
12.2017 - 07.2018
- Coordinated equipment installation and dismantling projects.
- Managed client communications and issue resolution.
- Planned resource allocation and field operations.
- Maintained inventory, work orders, and operational reports.
- Ensured project completion within customer timelines.
Field Engineer
Atatel Technology
10.2017 - 10.2017
- Installed GSM antennas and RRH equipment.
- Coordinated materials between warehouse and project sites.
- Obtained project acceptance and clearance from clients.
- Project: Reliance Infrastructure Installation
Career Break
09.2015 - 09.2017
- Prepared for government service examinations while enhancing technical skills through continuous learning.
Education
Bachelor of Technology (B.Tech) -
North Maharashtra University (NMU)
07-2015
Diploma in Engineering -
Maharashtra State Board of Technical Education (MSBTE)
07-2012
Higher Secondary (12th) -
West Bengal Higher Secondary Education Board (WBHSE)
05-2009
Madhyamik (10th) -
West Bengal Board of Secondary Education (WBBSE)
05-2007
Skills
- Oracle Database 11g - 19c
- AWS RDS for Oracle
- Oracle Database on AWS EC2
- Oracle Enterprise Manager (OEM)
- Linux administration
- RMAN Backup & Recovery
- Database Cloning & Refresh
- Data Pump (Export/Import)
- Database Migration
- Database Upgrade
- Oracle Data Guard
- Performance reporting
- Performance troubleshooting
- ServiceNow
- NetBackup
- Support ticket management
Personal Information
- Date of Birth: 02/19/91
- Nationality: Indian
- Marital Status: Married
Languages
- English
- Hindi
- Bengali
Disclaimer
I hereby declare that the information provided above is true and correct to the best of my knowledge and belief.
Core Technical Skills
Oracle Database 11g, Oracle Database 12c, Oracle Database 19c, SQL, Oracle Enterprise Manager (OEM), AWS RDS for Oracle, Oracle Database on AWS EC2, Oracle Linux (OEL), Red Hat Enterprise Linux (RHEL), RMAN Backup & Recovery, Database Cloning & Refresh, Data Pump (Export/Import), Database Migration, Database Upgrade, Oracle Data Guard, Basic Oracle RAC Administration, AWR Reports, ASH Reports, ADDM Reports, Performance Monitoring & Troubleshooting, ServiceNow, NetBackup, Oracle Support SR Management
Professional Highlights
- 5+ years of hands-on Oracle DBA experience.
- Experience managing Oracle databases in AWS environments.
- Expertise in RMAN backup, recovery, and database refresh operations.
- Strong knowledge of Oracle Data Guard implementation and administration.
- Experience in Oracle database patching, upgrades, and migrations.
- Skilled in performance monitoring using AWR, ASH, and ADDM reports.
- Proven ability to support mission-critical production databases.
- Strong analytical, troubleshooting, and problem-solving skills.
Languages
English
Advanced (C1)
C1
Hindi
Advanced (C1)
C1
Bengali
Intermediate (B1)
B1
Certification
- AWS Cloud Practitioner
Timeline
System Engineer (Oracle Database Administrator)
Tata Consultancy Services
07.2024 - Current
Oracle Database Administrator
Teamware Solutions Pvt. Ltd.
12.2022 - 07.2024
Project Coordinator
Steelman Telecom Pvt. Ltd.
08.2020 - 04.2022
JC FTTH Assistant Manager
Reliance SMSL
11.2018 - 07.2020
Coordinator
AV Telecom Pvt. Ltd.
12.2017 - 07.2018
Field Engineer
Atatel Technology
10.2017 - 10.2017
Career Break
09.2015 - 09.2017
Bachelor of Technology (B.Tech) -
North Maharashtra University (NMU)
Diploma in Engineering -
Maharashtra State Board of Technical Education (MSBTE)
Higher Secondary (12th) -
West Bengal Higher Secondary Education Board (WBHSE)
Madhyamik (10th) -
West Bengal Board of Secondary Education (WBBSE)