Lead Oracle Database Administrator Resume
Detroit, MichigaN
SUMMARY
- Over 7 Years of Experience in Oracle Database and Application Servers
- Over 2 Years of Experience in Server Sizing and Requirement Gathering
- Implemented Production environments and backup databases for critical applications in Finance Vertical
- Implemented ASM architecture and configured Database for production environment for logistic application
- Conducted requirement analysis for production environment and streamlined backup policies for more TEMPthan 20 databases using RMAN
- Gatheird requirements to automate reports assessing database performance and made changes in teh database environments for optimal performance
- Identified risks and issues wif respect to teh production release and discussed wif client team to mitigate them
- Assessed Production environment and shared documentation for migration strategy
- Developed lab environments to replicate issues in Production setups
- Upgraded high volume databases for critical production environment in aviation industry
- Conducted Disaster Recovery Drill as part of Business Continuity plan for various Banking applications
- Monitored performance of database and automated health check reports to proactively resolve database performance issues
- Consolidated databases on Oracle Exadata and reduced infrastructure cost by 30%
- Proficient wif SQL query and worked on projects to optimize database performance
- Worked on Proof of Concept projects for Oracle Application Server and Oracle Gloden Gate
- Hands on experience on Hive Servers and Hadoop environment
- Mentored new associates in teh team and conducted training sessions
- Build test beds for new associates in teh team to build skillsets through hands on experience
- Ability to work on a fast - paced environment, Good team player and a good mentor to guide new team members
- History of award winning performance in environment building/implementation, problem solving, knowledge sharing wifin team members and customer satisfaction
TECHNICAL SKILLS
Oracle Database: 9i,10g, 11g R1,11g R2
Application Server: Oracle Application Server 10g
Operating System: Windows Server 2008, RHEL 5, RHEL 6, Solaris SPARC
Microsoft Databases: SQL Server 2005, SQL Server 2008
PROFESSIONAL EXPERIENCE
Confidential, Detroit, Michigan
Lead Oracle Database Administrator
Responsibilities:
- Lead a team of 5 Oracle DBA and reviewed daily operations and issues observed in Oracle Database environment
- Shared migration strategy wif teh team and mentored associates in resolving database issues and challenges
- Reviewed daily and weekly reports shared by offshore team on teh lights on activity
- Worked wif application team in resolving issues in query performance during Performance Acceptance Testing
- Identified and decommissioned databases not generating business values reducing infrastructure cost by 10%
- Reviewed architecture of current database environments and suggested possible backup policies to be implemented along wif best practices to resolve performance issues
- Created user policy to assign appropriate system privileges and policies to database users
- Shared user policy documents and implementation strategy and conducted regular follow ups
- Conducted weekly standups wif team members to assess possible issues being observed to teh current projects being assigned
- Developed skillsets for Hadoop environments and build Hive Servers for Proof of Concepts
- Conducted knowledge transfer sessions for Hadoop environments as part of learning curve
Environment: s: Oracle 10g, Oracle 11g R1, Oracle 11g R2
Confidential, Naperville, Illinois
Sr. Oracle Database Administrator
Responsibilities:
- Build ASM storage environments on test bed and developed migration strategy to migrate databases from non-ASM to ASM environment using RMAN
- Build ASM Dataguard environment for 2 node RAC cluster and automated scripts to monitor dataguard synchronization of archives wif Production Environment
- Build active dataguard environment and suggested application team to offload weekly reports on active dataguard environment
- Build test bed environments and shared migration strategy wif all concerned stakeholders
- Streamlined backup policy for more TEMPthan twenty database environments and automated scripts to monitor success of backups
- Performed database and sql tuning using EXPLAIN PLAN, AWR, TKPROF and hints
- Developed Gloden Gate test bed environment to create extractors and replicators for real time data replication
- Mentored new associates in teh team and conducted knowledge transfer sessions to improve their Oracle DBA skills
Environment: s- Oracle 9i, Oracle 10g, Oracle 11g R1, Oracle 11g R2, Oracle 12c, Oracle FailSafe Manager
Confidential
Oracle Database Administrator
Responsibilities:
- Build dataguard environment for production environments and automated scripts to monitor teh status
- Migrated database from Oracle 9i and 10g environment to Oracle 11g using EXPDP and RMAN backups.
- Created test environment and assisted production team in assessing all possible risks associated wif teh production cutover
- Build test database environments on Linux and Solaris Environments
- Conducted reorganization of critical database schemas to improve performance of database
- Automated scripts to assess roles and privileges granted on production environment and shared teh output wif clients to adhere their compliance standards
- Revoked roles and privileges from test bed environment and assisted application team in validating teh risks associated at Production Environment
- Highlighted index and tables which required index rebuild and table reorg and incorporated them in automated scripts
- Extracted AWR, ADDM report from Production environment and assessed reports to resolve resource contention and performance issues
- Performed 24/7 on call support during weekend wif dedicated application team members including night time and monthly production outage
- Automated RMAN backup scripts and shared status reports wif concerned stakeholders
- Conducted disaster recovery drills for clients using Production Database and Oracle Dataguard, Physical standby environment as part of business continuity exercise
- Developed and lead migration strategy to move MIS databases from traditional database environments to Oracle Exadata
Environment: Oracle 9i, Oracle 10g, Oracle 11g R1, Oracle 11g R2
Confidential
Junior Oracle Database Administrator
Responsibilities:
- Scheduled cold backup, export backup and RMAN backup for critical production environment
- Conducted lights on activity and shared report wif seniors to assess performance of database
- Granted privileges and roles in compliance wif teh business requirements of clients
- Executed scripts to remove data from staging tables in test environment
- Created databases for test environment and migrated data from Production Environment to Test Database.
- Executed index rebuild and stats gather scripts to improve performance of database
- Received recognition from client for proactively resolving database issues
- Refreshed test database environments using EXPDP and RMAN backup and reviewed wif application team to assess possible issues post refresh
- Installation of Oracle Binaries 11g R1 and 11g R2 on test beds and lab environments
- Deployed test databases in lab environments
- Replicated issues in test environment and shared root cause analysis report wif clients
Environment: s- Oracle 9i, Oracle 10g, Oracle 11g R1, Oracle 11g R2