Teradata Database Architect Resume
SUMMARY:
- Technically - oriented professional excelling in devising and implementing database strategies to propel information systems, products and services.
- Over 4.9 years of experience in managing design, development, and delivery of innovative technology solutions.
- Sound exposure of planning and administering multi-tier, highly-robust and scalable databases
- Accompanied with expertise in project execution working closely ensuring transparent communication with customers to effectively gather requirements and mapping them into functional designs
SKILLS SNAPSHOT:
- Database Administration
- IT Operations
- Operational Management
- Technical Documentation
- Process Management
TECHNICAL SNAPSHOT:
Databases: Oracle 9i/10g/11g, Teradata 14.10/15.10
Tools: RMAN, Data Guard, Fail Safe, Putty, PL/SQL developer, Global Gateway, BTEQ, TPT, Migration, Export/Import, SQL*Loader, ODBC Gateways
Operating Systems: Sun Solaris/Windows
ETL & BI tools: Informatica, QMF-for Workstation
Languages: SQL, Shell scripting
ORGANISATIONAL EXPERIENCE:Confidential
Teradata Database Architect
Environment: Database: Teradata, Hadoop
Platform: Unix/Linux
Tools: Putty, Teradata SQL Asst, BTEQ, Fastload, mload, Viewpoint, Tivoli, Informatica
Responsibilities:
- Teradata Database Capacity Planning and Management.
- Logical and Physical Data Modelling.
- PDCR database setup for Teradata Database.
- Snapshot Creation, Instance Creation and Instance Decommission.
- Viewpoint set up for new Teradata Systems and TASM rule set. User and access management on Viewpoint Servers.
- SOX Auditing and compliance for Teradata System.
- Supporting release management Team for deployment of Objects in SIT, UAT and OAT environment
- Working on Defects raised by Testing Team for fixes in Teradata objects.
- User and Access management on Teradata System(access, roles and profiles).
- Working in project of Migration from Hadoop to Teradata Database.
- Creating BTEQ, FASTLOAD, MULTILOAD scripts as per the requirement of Development Team.
- Defining structure of staging tables with Proper Data type and precision on Teradata Side for efficient loading of Data from Hadoop to Teradata.
- Reviewing and modifying the structure of Dimensions and Fact tables for better performance in Teradata.
- Preparing technical documents like CR requests, OAT and Production implementation plans and getting it approved from Customer.
- Supporting ETL team to resolve batch failure Issues and provide immediate solution to them.
- Monitoring Teradata system performance through Viewpoint and proactively monitoring all the sessions run by our team, in order to avoid any blocking /system degradation.
- Query optimization by reviewing explain plans. Performance Tuning for user and batch queries. Provide recommendation to user queries and batch queries, for enhancing their query performance.
- Contributed in resolving Teradata connectivity issues, spool, temporary, permanent space, checking the skewness on tables. MVC Analysis for Space saving.
- Reviewing Queries run by Reporting Team and Creating Single Table/Multitable Join Indexes to improve performance.
Confidential
Teradata DBA/ Senior Oracle DBA
Environment: Database: Teradata, Oracle, Hadoop
Platform: Unix/Linux, Windows 00 / 03 / 08
Tools: Putty, Teradata SQL Asst, SQL Loader PL/SQL Developer, DBCA, RMAN, DATAGAURD, expdp-impdp, ASM
Responsibilities:
- Oracle/Teradata Database Design and Capacity Planning.
- Oracle Installation and Database creation, Backup and Recovery of Oracle databases using RMAN, physical and logical backups.
- Oracle Database Cloning using Hot and cold Backups.
- Database Link Creation.
- Oracle User and Access Management.
- Performing DR drill Activities.
- Oracle Datagaurd Configuration and Management.
- Generating and analysing explain plans and AWR reports for improving performance.
- Scheduled logical/physical backup jobs on daily and weekly basis on Oracle Unix/Windows Server.
- Scheduled multiple alert jobs for easily monitoring of Oracle Databases.
- Scheduled multiple alert jobs on Viewpoint Servers for easily monitoring of Teradata System.
- Preparing Implementation Plan and getting it approved from approvers for OAT and Production Deployment of Objects.
- User and Access management on Teradata System(managing access, roles and profiles)
- Teradata sessions workload management using TASM.
- Query optimization (Explain plans, Collect statistics, Primary and Secondary indexes). Performance Tuning for user and batch queries. Provide recommendation to user queries and batch queries, for enhancing their query performance.
- Contributed in resolving Teradata connectivity issues, spool, temporary, permanent space, checking the skewness on tables. MVC Analysis for Space saving.
Confidential
Senior Oracle DBA
Environment: Database: Oracle 9.2.0.8, 10.2.0.1,10.2.0.4,10.2.0.5,11.2.0.3
Platform: Unix/Linux, Windows 00 / 03 / 08
Tools: Putty, DBCA, Maximo, PL/SQL Developer
Responsibilities:
- Created instances and databases with appropriate initialization parameters and database structures including data files, rollback segments and tablespaces.
- Performed database cloning, DR drill Activities, Backup and recovery.
- Effectively handled SQL performance and tuned it in addition to reviewing backup and recovery strategies
- Ensured that load, storage, archiving, back up, restore and recovery procedures are functioning correctly in both production and test databases.
- Reviewed and monitored system and instance resources to ensure continuous database operations. Handled key parameters such as database storage, memory, CPU, network usage and I/O contention.
- Prepared, managed and collected information for documents like Project execution Plan, SOW, WSR.
- Prepared and approved Change Implementation plan after reviewing it from DBA side.
Confidential
Transition Lead
Environment: Database: Oracle 11.2.0.3, 10.2.0.5
Platform: Unix
Tools: Putty, DBCA, Maximo, QMF-for Workstation, Informatica
Responsibilities:
- Assisted as Database manager for the smooth transition of Project from EMEA to India.
- Managed L1 DBA team of 4 members and ensured proper database access given to users.
- Performed database cloning and DR drill Activities.
- Analyzed database systems and scheduled daily or weekly alert jobs for the better performance and high availability of database.
- Designed KPIs(Key Performance Indicators) for different modules of the project and defined minimum threshold target limit of each KPI to ensure better delivery of the project from the new geography.
- Established a strong monitoring and reporting system. Worked on BI tool QMF to generate Business Reports and share these with different stakeholders.
- Scheduled reporting jobs on BI tool QMF for the easiness of customers.
Systems Engineer (Oracle DBA)
Confidential
Environment: Database: Oracle 9.2.0.8, 10.2.0.1,10.2.0.4,10.2.0.5,11.2.0.3
Platform: Unix (Sun Solaris 5.10),Windows 00, 03, 08
Tools: Putty, Toad, DBCA, PL/SQL Developer, Remedy
Responsibilities:
- Oracle Installation on Windows and Unix/Linux environment. Creation of databases manually and using DBCA and Manage them to ensure consistent performance.
- Verified all instances and their scheduled backups are running normally. Resolved connectivity and backup issues in case of failures.
- Granted privileges, roles and profiles to users according to their need and maintained system security.
- Created and managed Database link on Oracle Databases.
- Database Cloning and Upgrade database from 9i to 11g, 10g to 11g.
- Created and managed standby database and performed DR Drill activities.
- Planned and implemented Backup and Recovery strategy.
- Physical backup using Cold/Hot backups using RMAN, logical backups using Export-Import/ Data Pump.
- Implemented auditing for DML and user logged in details.
- Generated explain plan, AWR, ADDM Reports for Query Optimization.