Rama Bathula
adlcpn@r.postjobfree.com
SUMMARY
Over the last 14 years, I have provided services to companies as a Sr. Database Administrator which enriched my experience in building, implementing and supporting oracle database technologies.
My expertise includes:
Designing and documenting standard processes to implement various Oracle technologies
Adhering to Standards designed for various aspects in database implementations
Installing and configuring Oracle databases to suit business requirements on various UNIX, Linux and Windows platforms
Experience in successfully implementing Multi-Terabyte very large data-warehouse databases
Implementing High Availability using Oracle RAC, Exadata Machines, Data-guard, Golden Gate and Server level HA technologies like HACMP and GPFS
Planning and Implementing Disaster recovery(DR) solutions using Oracle DataGuard
Implementing Backup and Recovery strategy using Oracle Recovery Manager(RMAN) and evaluating recovery procedures
Experience in database upgrades using DBUA and Data Pump from previous versions to latest versions
Experience in Database Migrations & Cloning using RMAN, Transportable Tablespaces(TTS)
Implementing advanced security using transparent data Encryption(TDE)
Implemented Oracle GoldenGate technology in a distributed database environments for cross-site replication
Setup Goldengate Bi-Directional active-active replication across various databases.
Extensive Knowledge in Troubleshooting/debugging Goldengate
Experience in setting up the Veridata and Agents and implementing connections, groups and jobs using the custom procedures
Configuring, Monitoring and maintaining Oracle Streams to replicate databases
Providing support for developers by building lower environments, assisting in schema design and writing efficient SQL
Implementing Oracle grid control 13c, 12c to generate Alerts, Incidents, and Reports, Monitor Databases.
Expertise in database tuning by employing tools like ADDM, AWR, ASH, OEM Console and Unix Tools like Perfstat, OSWatcher etc...
Using Advanced tools like SQL Analyzer, TKPROF to troubleshoot and tune complex SQL statements
Experience in using tools like Swingbench, SIO, and SLOB to evaluate, troubleshoot and benchmark server hardware used for databases
Working experience with Job schedulers like Autosys, Unix CRON, and DBMS_SCHEDULER
Working experience in Backup storage technologies like Veritas NetBackup, IBM TSM and NetApp SnapVault
Collaborated with cross-functional and diverse Infrastructure, networking, database administration, project management, and engineering business units to communicate project updates, insights or solutions/functionality improvements for advancing shared organizational goals.
Having strong analytical, logical, Communication and problem solving skills. Ability to adapt to new technologies by self-learning
Education: M.S. in Engineering
CERTIFICATIONS
Oracle10G Certified (OCP)*
Certified GoldenGate 10 Implementation Specialist
Oracle Autonomous Database Cloud 2019 Specialist
Oracle Cloud Infrastructure 2019 Architect Associate
Oracle Cloud Infrastructure 2019 Cloud Operations Associate
Oracle Cloud Infrastructure 2019 Architect Professional
TECHNICAL SKILLS
Databases
Oracle 19c,18c,12c,11g, 10g, 9i, 8i, SQL Server, DB2, AWS RDS, PostgreSQL
Technologies:
Oracle RAC, ASM, DataGuard, GoldenGate, Streams, Goldengate, Exadata
Application Servers
Oracle WebLogic Apache
Operating Systems
Sun Solaris 8, 9, 10. RHEL 7.x,6.x,5.x HP-UX 11, Windows NT
Scripting
SQL & PL/SQL UNIX Bash, K Shell Perl Python
Tools
Oracle Enterprise Manager (OEM ) 13c, 12c, 11g, 10g, Toad, SVN, Commvault, Net Backup, CHEF, Puppet 3.x, GitHub, Apache Hadoop, BI publisher
Scheduling Tools
Autosys, Crontab
Change Management
Clear Case, Clear Quest, Remedy, HP Service Manager, ServiceNow
SDLC Expertise
System Analysis and Architecture Plan Requirements Analysis Performance Tuning Change Management
PROFESSIONAL EXPERIENCE
CITI – Minnetonka, MN May’17 — Present
Application Support Sr. DBA:
Onboarding training and some Trading application skills
Working with Oracle 19c/18c/12cR2 Standalone, RAC, Standby databases
Currently Supporting Database with Trading Activity
Setting up new databases environments as per the Application and Enterprise requirements.
Upgrade & Migrate Critical Production databases from 11g to 12c/18c/19c standalone and RAC databases
Coordinate with UNIX, San and Networking teams for OS upgrade, San storage migrations and network upgrades
Applying latest patches to GI, RAC, standalone database
Working with Query performance issues within database
Monitoring and fixing any issue that are alerted using OEM 13c
Addressing Issues with respect to Daily Database refresh Jobs
Created custom Users, Groups, Roles, Profiles as per the audit team requirements
Monitoring RMAN Backups and resolve any issues
Performed Explain Plan analysis for Query Optimization and SQL tuning
Deploying scheduled releases and fix Code when required
Secure and monitor connectivity to the database via IP, wallet etc
Maintaining databases environments and look forward to see any other featured that can be employed with in current database Environment
Work close to developers and application team members and address any performance issues facing with database or any queries they are running
Environment: Oracle 19c/18c/12cR2, Oracle 18c/12cR2 RAC, Linux, Oracle wallet, DATAGUARD, RMAN, OEM 13c, Shell Scripting, Incident manager, ServiceNow.
Thomson Reuters – Eagan, MN Nov’11 — Apr’17
Worked With in 3 Different teams during this tenure
Lead Database Engineer:
Lead Dev DBA Responsibilities:
Experience in working with Exadata Machines and Database with GoldenGate environment
Experience Working with Cloud (AWS) environments with respect to Oracle and MYSQL databases
Experience in playing around with 12c databases
Working close to Business and address any issues they are facing with respect to database and resolve the issue by coordinating with respective team
Experience in Moving Database from G8 servers to Exadata machines and configuring DataGuard and Goldengate for complex multisite design
Working with Query performance issues on Exadata, RAC and standalone database
Work close to developers and application team members and address any performance issues facing with database or any queries they are running
Expertise in writing stored procedure and complex PL/SQL
Installation, Configuration and administration of Veridata Server and Agents
Customization of Veridata environment to fit the business rules and get the data in sync
Customized Creation of Connections, Groups and Jobs for schema comparison in a distributed database environments using GoldenGate and/or Streams
Experience in syncing up data to day OOS rows, check root cause and fix the issue using Veridata and some in-house python scripting tool
Design & Engineering Responsibilities:
Implementing Oracle High Availability using Oracle RAC, DataGuard and GoldenGate technologies
Expertise in configuring and managing Bi-directional replication using Streams and GoldenGate in a multi node Oracle RAC cluster environment
Setting up Logical, Active Physical and Snapshot standby databases using DataGuard for HA and DR
Expertise in Database upgrades and migrations by employing DBUA, TTS, Data Pump and GoldenGate.
Advanced knowledge of Linux operating systems and storage sub-systems to troubleshoot performance and availability issues
Working on Exadata machines to copy Huge data from one environment into another using DataPump
Using benchmarking tools like SIO, Swingbench, SLOB to stress test Storage and OS resources to identify performance bottlenecks
Experience in working with OEM 12c and 11g Grid Control for database monitoring and performance tuning
Implemented RMAN backups for a very large data warehouse and thoroughly tested multiple recovery scenarios
Experience in migration oracle streams to Oracle GoldenGate replication
Extensive experience working on Log dump utility in Goldengate.
Zero Downtime migration for mission critical applications.
Expertise in using NetApp SnapVault to backup & recover oracle databases
Effectively working with developers & Business teams in Schema design, providing capacity estimates, and offering suggestions on efficient SQL
Advanced knowledge in tuning SQL with Tracing, Analyzing Plans, SQL Advisors etc.
Troubleshoot the database performance issues using Automated Workload Repository (AWR) and Automatic Database Diagnostics Monitor (ADDM)
Effectively communicating in a highly process oriented work environment to resolve critical issues rapidly and finding solutions and root causes to stop future failures/issues
Environment: Exadata X5-2 Quarter Rack, Oracle 12c/11gR2/R1, 10g & 9i RAC, Oracle Clusterware, ASM, Shared Filesystem, AIX, Linux, Oracle GoldenGate 11g / 10g, Oracle Streams 11g / 10g, DATAGUARD 11.2, RMAN, OEM 12c & 11g Grid control, Shell Scripting, Incident manager, HP Service manager, Solution design tools.
Cargill – Hopkins, MN Jan’11 — Nov’11
Responsibilities:
Worked on a series of on-going development projects within implementation and development teams
Installation, configuration and administration of Oracle 11g, 10g, 9i RAC and standalone database using Oracle ASM
Worked on implanting disaster recovery solution using Data Guard Broker to manage both Physical and logical standby
Implemented Table partitioning, Materialized Views and Secure LOBs
Experience in supporting SAP database environments by using BR*Tools to manage SAP instances and backups
Experience in setting up of automated jobs through OEM grid control for backups, database refreshes and scheduler jobs
Migrated a multi-terabyte database from HP-UX to Linux platform using Oracle RAC
Cloning and refreshing databases using Data Pump, TTS and RMAN
Experience in upgrading Grid Agent from 10g to 11g Agents on Linux, HP and Windows servers
Effective communication and collaboration with technical and business teams and also providing 24x7 support for production databases
Environment: Oracle 11g RAC, 11g R2/R1, 10g, 9i, ASM, Sun Solaris, HP-UX, Linux, Windows, SQL*Plus, PL/SQL, SQL*Loader, RMAN, Putty, Citrix, Erwin, TOAD, OEM 11g Grid control, Perl.
HP Tech. - Agilent Tech. – HCL America – Colorado Springs, CO Mar’09 — Jan’11
This project involves Oracle 9i, 10g and 11g databases on multiple UNIX platforms (HP-UX, Solaris, AIX, and Linux) using Oracle RAC with ASM and DataGuard Standby for disaster recovery. My primary focus is to upgrade older versions of databases and implement OEM 11g Grid Control to replace age-old monitoring tool DBAmon.
Responsibilities:
Responsible for the Design and implementation of the OEM 11g Grid Control to monitor and alert Oracle database, Oracle WebLogic server,
Documented OEM 11g installation and OEM agent distribution processes and also wrote scripts to maintain OEM infrastructure
Expertise in installing and configuring Oracle RAC and DataGuard to provide high availability
Upgraded Oracle 9i databases to Oracle 10g and also worked extensively to resolve performance issues
Expertise in managing oracle databases in Oracle RAC and UNIX clustered environments
Experience in scripting for Customized Monitoring using Perl and Bash Shell
Experience in fixing block corruption issues using DbVerify, RMAN and Data Pump
Implemented auditing for oracle databases to monitor user session’s database activity
Expertise in working with RMAN and Veritas NetBackup for database backup and recovery
24x7 production support and being a critical member of the team to support critical database issues
Environment: Oracle 11g, 10g, 9i Linux, Sun Solaris, HP-UX, Windows, RAC, ASM, SQL*Plus, PL/SQL, SQL*Loader, RMAN, Putty, Citrix, Erwin, TOAD, OEM 11g Grid control, Perl & Bash Scripting
United Health Group - Plymouth, MN Oct’07 — Mar’09
Responsibilities:
Installation and configuration of Oracle 10g/9i and Creating Databases based on specifications.
Applied patches to Oracle databases accessed by various applications.
Performed upgradation of the databases and software to the new releases.
Installation and configuration of Real Application Cluster (RAC) database using Automatic Storage Management (ASM)
Experience in Addition/Deletion of node from RAC Cluster.
Create and configure ASM Instances and database.
Oracle Real Application Clusters database administration, Backup and Recovery and troubleshooting.
Monitoring Database Activities, Checking for tablespace Availability, Checking the Alert Log File for errors, and monitoring the Hit Ratios.
Created procedures, functions and triggers, DDL and DML queries.
Creation of users with passwords and assigning them tablespaces like user data and temporary, granting privileges (system and object) through roles and profiles
Planning Backup & Recovery procedures, Performing Backup and Recovery activities (both in archive & no archive mode) using RMAN
Database Migration from Oracle 9i to 10g and from Server to Server
Application Query tuning on all modules using Tkprof, Explain plan & Statspack
DB Cache, SGA Tuning, Optimizing using Cost Based Optimizer (CBO), analyzing Tkprof & AWR reports
Give administration and tuning consultation to the customers.
Experience in Oracle Security Administration
Used SQL * Loader for converting legacy databases to oracle formats
Experience in Managing the Clone database
Experience in writing Shell Scripts as per the requirement
Tuned SQL and PLSQL code using hints and outlines when needed
Experience in Disaster Recovery Solutions – Oracle 10g/9i Data Guard, Standby Databases
Implemented nightly Corn jobs to maintain the backup and for other administrative works
Formulating Backup Policies, Monitoring Performance issues, setting up coding standards
Tuning for I/O Contention, Memory contention, Row Migration, Block Contentions, etc.
Lead efforts for problem identification and resolution at the database tier
Provide Oracle support to the Application Developers in answering questions, database changes and review of application design
Provided 24x7 on call support
ENVIRONMENT: Sun Solaris 5.8, AIX/V5.1, OPS, RAC, Oracle 10g / 9i/ 8i, Stored Procedures, Functions, Database Triggers, SQL, SQL*Loader, Data Pump, Exp/Imp, RMAN, Oracle Enterprise Manager (OEM) 10g
Verizon – Dallas, TX May’07 — Oct’07
Responsibilities:
Installation and configuration of Oracle 11g/10g/9i binaries and databases.
Real application cluster (RAC) 11g/10g/9i Installation, configuration, managing Nodes, node addition deletion and monitoring.
Experience in Building 10g R2 (10.2.0.3) Physical RAC Dataguard for RAC Primary Database.
Installation, creation and administer the ASM databases.
Experience in database Upgradation and Migration from 9i to 10g.
Experience in Migration of Oracle Databases residing on File system to Automatic Storage Management (ASM)
Experiencing in the Database Decommission.
Experience in Backup and Recovery using RMAN with TSM as media manager layer and used Autosys as the scheduler.
Experience in Refreshing Pre-Prod, Development and Test Environment using Production data.
Involved in refreshing lower environment schemas with production data periodically using EXP/IMP and Data Pump
To develop logical and physical design of the database and estimate size of the database objects.
Implemented Data Guard – both Physical and logical standby, performed switchover/Failover.
Generated SQL and PL/SQL scripts to create and drop database objects including: tables, views, primary keys, indexes, constraints, packages, sequences, grants and synonyms.
Application Query tuning on all modules using Tkprof, Explain plan & Statspack.
Responsible for applying Oracle Patches using the OPatch utility.
Experience in working with partitioned database environment.
Experience in Audit Validation.
Experience in Monitoring of the database using the Grid Control.
Provided 24x7 On-call Support for all the Production databases.
ENVIRONMENT: AIX, Linux, Sun Solaris 5.10, Oracle 10g / 9i / 8i, RAC, Stored Procedures, Functions, Database Triggers, SQL, SQL*Loader, Data Pump, Exp/Imp, RMAN, Oracle Enterprise Manager (OEM), Toad, Autosys, Data Guard