BIDHAN MANDAL
Karimpur Rishi Arabinda Pally
📞 +91-9051397200 / +91-9832112290
✉️ bidhan381_mandal@yahoo.com

CERTIFIED ORACLE DATABASE ADMINISTRATOR | AWS SOLUTIONS ARCHITECT

Accomplished Oracle-certified DBA with 17+ years of experience in performance tuning, crisis management, high availability, and cloud solutions. Proven track record in increasing reliability, optimizing enterprise databases, and implementing system efficiencies across production and test environments globally.

PROFESSIONAL EXPERIENCE
Oracle Database Administrator:
Supported 5TB data warehouse; led enterprise-wide optimisation and monitoring. Performed root cause analysis, proactive tuning, and AWR/ADDM/ASH analysis. Automated repetitive processes, eliminated space issues, and improved daily job performance through index reorganisation.

Lead Oracle DBA:
Set up databases for multiple international markets. Managed installation, tuning, monitoring, capacity planning, and troubleshooting. Mentored DBAs and optimised storage configurations, reducing non-idle wait events significantly.

Database Administrator:
Used Explain Plan and optimizer hints to improve SQL performance. Resolved connectivity issues, managed backups, and user/database objects.

PROJECTS & ACHIEVEMENTS

Wizertech Informatics Pvt. Ltd. (2015–Present) – Core DBA & Apps DBA for KOPT & Eveready. Installed and supported 9i–19c, RMAN/Data Pump backups, cloning, Data Guard, EBS support, performance tuning, concurrent program migration.

PCS Technology Ltd. (2014–2015) – Core DBA, KOPT client. Installation, monitoring, RAC, Data Guard.

Carnation Industries Ltd. (2013) – Core DBA & Apps DBA, ERP support, RMAN cloning.

SMSRC Pvt. Ltd. (2012–2013) – Oracle DBA. Storage, archivelog config, refresh, backup/recovery, data sync.

Zenith Software Pvt. Ltd. (2011–2012) – Oracle DBA for Wipro/TCS core banking. Finacle support.

HCL Infosystems (2008–2011) – Oracle DBA, United Bank of India. Production support, refresh, multiplexing.

Natural Technologies (2007–2008) – SQL Server DBA. Backup, patching, training, 24×7 support.

ACADEMIC & PROFESSIONAL EDUCATION

B.A. – Calcutta University (2001)

Oracle 19C Certified Associate (2022), Autonomous DB Cloud (2022)

Oracle 10g OCA/OCP (2009), 9i OCA (2009)

AWS Solutions Architect (2021)

Oracle SOA 11g – Lee & Nee

IIBF Business Facilitator (2010)

Diploma in Computer Technology, CMC Academy

TECHNICAL SKILLS

OS: Windows XP/Server 2003–08, Red Hat Linux

DB: Oracle 9i, 10g R1/R2, 11g, 19c

Tools: RMAN, Data Pump, SQL Tracing, Explain Plan, Toad, PL/SQL, SQL Developer

Expertise: Cloning, Backup/Recovery, Data Guard, RAC, EBS, Performance Tuning

CERTIFICATIONS & CLOUD SKILLS

Oracle Fusion Cloud Applications SCM Process Essentials Certified – Rel 1

Oracle Fusion AI Agent Studio Foundations Associate – Rel 1

Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate

Oracle Fusion Cloud Applications ERP Process Essentials Certified – Rel 1

Oracle Fusion Cloud Financials: General Ledger 2025 Certified Implementation Professional

Oracle Fusion Cloud Applications HCM Process Essentials Certified – Rel 1

Oracle Cloud Success Navigator Essentials

Oracle Fusion Cloud Applications CX Process Essentials Certified – Rel 1

PERSONAL DETAILS
DOB: 19 Dec 1978 | Father: Late Brindaban Mandal | Religion: Hindu | Nationality: Indian | Marital Status: Married
Hobbies: Travelling, Driving, Observing People, Gaming

Declaration: I hereby declare that the information above is true to the best of my knowledge.
Place: Karimpur
Signature: BIDHAN MANDAL