MUKESH KANNAN.R
Summary
High-performing professional with extensive experience managing large-scale, complex databases. Skilled in database management systems. Strong understanding of database design and data modeling with excellent troubleshooting skills. Smart and committed to staying up-to-date with new technologies and advancements.
Overview
4
4
years of professional experience
Work History
Oracle Database Administrator
Cognizant Technology Solutions
08.2022 - Current
- Managed servers across Production, Development, and QA environments, including large TB-scale databases.
- Installed DB clients on Linux and Windows, oversaw RDS servers, and understood basic PostgreSQL architectures.
- Executed RMAN backups (full, incremental) and restorations across databases.
- Supported maintenance windows, managing DB instances and ensuring pre-maintenance backups.
- Handled user management, including roles, privileges, and tablespaces, and optimized query performance.
- Generated AWR and ASH reports, performed DB patching, and modified parameters as needed.
- Provided 24/7 DBA support, utilized ServiceNow for ticketing, and conducted DDL/DML operations.
- Performed database refreshes, decommissioning, and housekeeping to ensure optimal server performance.
- Managed the DB Servers in different environments like Production, LDR and DR.
- Managing the huge DB servers of size in TB’s.
- Handling the Day to Day DBA activities.
- Good Knowledge on Golden gate replication process like extract, pump and replicates.
- Checking the archive DG freespace and clear the archives accordingly.
- Working and closing the issue on SNOW tickets before the SLA.
- Interacting with users over the slack/mail/Teams and trying to resolve their issue at the earliest.
- Monitoring the DR environments for the synchronization and the replication of DR DB’s are happening fine.
- Monitoring the alerts and act accordingly based on priority.
- 24X7 support for databases and production operations teams.
Oracle Database Administrator
Inknowtech Pvt Ltd
06.2021 - 08.2022
- Managed servers across Production, Development, and Archive environments, using import/export utilities for data and object movement
- Monitored server and network performance via VMware ESXi, ensuring optimal service operations and performing restarts when necessary
- Handled database management, including user management, tablespace management, backup using RMAN and EXPDP/IMPDP, and executing SQL queries and functions
- Created database objects, users, and managed security, roles, and privileges, including using JIRA for user management
- Conducted database patching, upgrades, and DR drills, including server migration between DC and DR environments
- Monitored system components (CPU, Disk, Memory) and scheduled system events with Crontab, ensuring service availability through proactive maintenance
- Collaborated with teams to resolve incidents, perform RCA, and generate performance tuning reports (AWR, ASH, TFA)
- Managed Oracle High Availability Technologies like DataGuard, ensuring synchronization between production and DR setups
- Maintained proactive communication during downtimes, extracted and processed claim data, and delivered timely reports as per client requirements
- Demonstrated strong analytical skills, adaptability, and a commitment to timely delivery, providing 24/7 support for databases and production operations.
TECHNICAL SUPPORT ENEGINEER
Inknowtech Pvt Ltd
04.2020 - 04.2021
- Managed ITIL processes and Building Management Systems using the Micro Focus SMAX ticketing tool
- Troubleshot and resolved client issues, escalating tickets or placing service calls for hardware concerns, with follow-up to ensure client satisfaction
- Provided first-level support for application issues, including password resets and login problems, resolving over 1,000 tickets related to Outlook, password resets, and account unlocks
- Installed, integrated, and configured Active Directory on Windows Server 2016 R2/2012, offering ongoing support
- Acted as the single point of contact for remote support of Avaya VOIP and 3CX telephony systems for multiple Fortune 1000+ users
- Managed email queries, provided SLA explanations, and prepared daily and monthly reports on domain management
- Monitored SLA breaches, pending reports, and SLT targets, ensuring compliance and timely resolution.
Education
Bachelor of Engineering - EEE
K.L.N College of Information Technology
Madurai, India06.2016
Skills
- Data Guard
- Database Troubleshooting
- Backup and recovery
- Patch management
- Performance Tuning
- Oracle RAC Configuration
- Oracle ASM Management
- Oracle Enterprise Manager
- Oracle Database Administration
- High Availability Solutions
- Memory Management
- Incident Management
Languages
English
Advanced (C1)
Tamil
Bilingual or Proficient (C2)
Timeline
Oracle Database Administrator
Cognizant Technology Solutions
08.2022 - Current
Oracle Database Administrator
Inknowtech Pvt Ltd
06.2021 - 08.2022
TECHNICAL SUPPORT ENEGINEER
Inknowtech Pvt Ltd
04.2020 - 04.2021
Bachelor of Engineering - EEE
K.L.N College of Information Technology
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