Sybase Dba Resume
Irving, TexaS
PROFESSIONAL SUMMARY:
- Having 13+ years of experience in RDBMS in IT Industry as a Sybase ASE& REP & IQ / MS SQL Database Administrator Expertise in Configuration, Installation, and Trouble Shooting Backup & Recovery on UNIX/Solaris and AIX & Linux environments.
- Expertise in Configuration, Installation, Migration and Trouble Shooting, Backup & Recovery on all Window & UNIX environments (Sun, AIX & Linux).
- Over 5+ years of MSSQL DBA Support of MS SQL Servers for Production, QA and Development servers.
- Sybase ASE&IQ upgrade/installation/a nd create Simplex & Multiplex environments; and fixed daily issues/ or maintenance.
- Specialized in all aspects of DATABASE DESIGN and development with Sybase (ASE, IQ) and MSSQL database servers.
- Experience DB Migration & integration From Sun Solaris to AIX, Linux and Window servers.
- Experience wrote/troubleshoot SQL code for stored procedure, functions, view and triggers.
- Experience in performing integrity checks. Methods include configuring the database maintenance plan wizard and DBCC utilities.
- Performing administrative tasks: database files management, backup/restore, security management, Database Mirroring, data integration and synchronization.
- Extensive experience in migration and conversion of data to/from various data sources. Extensive general IT skills covering UNIX shell scripts, PERL scripts, CORN Jobs and various programming languages. Extensive experience in ETL and Data warehouse.
- Experience in troubleshooting the database and server issues by using SQL Tools, execution plans, Trace, statistics, index tuning wizard etc...
- Experience MS SQL & Sybase server VMWARE and WSFC Clustering configuration and support.
- Have good experience with partitioned tables and indexes, creating Filegroups using SQL Server 2012.Migrated SQL server 2008 to SQL Server 2012 in Microsoft Windows Server 2012 Enterprise Edition.
- Experience Redhat Linux Exposure to Cloud and virtual Application environments.
- Experience in Query optimization and tuning skills, analysis and troubleshooting interactions between databases, operating systems and applications with regard to performance and resources usage
- Extensive experience in Sizing of Databases and reviewing estimates. Over EIGHT Years’ experience in IT industry as a PDBA/SDBA and production support personnel. Over 5+ Year MSSQL (2005, 2008, 2012) Production Support DBA with development & performance tuning activity/task.
TECHNICAL SKILLS:
RDBMS: Sybase ASE 12.5.x/15.7 SP137 & 16 Database Administration Sybase IQ 15.4 /16 SPX/MPX Administration Sybase Replication Server 12.6/15.5/15.7 Administration Microsoft SQL Server 2005, 2008, 2012.
Operating Systems: SUN Solaris, AIX, RHEL 7.1, HPUX, Windows NT 7 & 8
Software: BMC - Patrol,Autosys,Bladelogic,Control-M,doubletake,SQLBacktrack/TSM/dsmc,Tivoli,DBArtisan,RapidSQL, aseisq,ignite, Erwin ERX, SQL Navigator.
Languages: C, UNIX Shell & Perl Scripting, PowerShell PowerBuilder, Visual Basic, HTML.
Reports: Crystal Reports
PROFESSIONAL EXPERIENCE:
Confidential, Irving, Texas
Sybase DBA
Responsibilities:
- Database Performance optimizations
- Database Health check/Proactive Monitoring, Perform database environment capacity planning.
- Leading highly complex data modeling, mapping, integration, and capacity planning efforts, Develop, implement and maintain automation efficiencies using scripting languages (PERL, KornShell) in a UNIX environment
- Maintains responsibility for analysis of Sybase / SQL code and development where changes are necessary. Tunes queries / stored procedures, indexes, and other database elements.
- Plan and design database changes necessary for data conversion, tool configuration, data refresh or migration or other initiatives related to large application development project.
- Troubleshooting errors or production problems involving databases to determine causes and proposed solutions.
- Monitored, analyzed, and optimized Sybase TSQL stored procedures and views
- Review daily/weekly database monitoring report and inform to Application team if any Action require,
Confidential
MS SQL DeveloperResponsibilities:
- Working as a PDBA/SDBA to support the SYBASE ASE/REP servers as well ORACLE daily Application support
- Installing /Upgrade & configuring Sybase ASE/REP to 15.7 sp135/137.
- VMware Sybase installation on sun spark machine with Sybase ASE 15.7 sp135 version
- Conducted database design review and made suggestions for performance improvement for critical tier 1 application, for large databases.
Confidential, New Jersey
MS SQL DeveloperResponsibilities:
- Providing L2/L3 & on-call (24/7) for Sybase (ASE/REP/IQ) & MSSQL Servers DBA support (for all incident calls). This involved working with Application Support team and Operations team to resolve the incident Request Tickets for All the environments including PROD/DR/UAT.
- Cross platform migration from Sun Solaris to Linux; IQ replication RTL from ASE to IQ installation.
- Sybase IQ database migration from 15.4 to 16
- Built a new Linux Sybase IQ16 SP08 SRDF VLDB multiplex.
- Tuned Linux OS kernel parameter tuning for ASE and IQ
- Sybase IQ upgrade on Simplex environments and taking care daily issues/ or maintenance.
- Sybase IQ upgrade /installation/create Simplex & Multiplex environments and taking care daily issues/ or maintenance.
- Expertise in Always-On Availability Groups (AAG) and HA/DR Setup and Configuration
- Migrated SQL server 2008 to SQL Server 2012 in Microsoft Windows Server 2012 Enterprise Edition.
- Building New Data servers Sybase (ASE, REP, and IQ) as per the application requirements.
- Sybase ASE Upgrade on 15.7 (SP131 & SP135 & SP137) & ASE 16; Upgrade IQ 15.4 to 16.
- MS SQL installation and upgrade from 20 service pack and troubleshoot for daily production support issues.
- Taking-care of backup & recovery and DR test plan with different data centers.
- New configuration and resource allocations as per the application requirement & consumption.
- Troubleshooting daily maintenance job failures like (dbcc, update statistics, reindex /reorg rebuild) etc…
- Working with Application team to tune their daily / weekly batches which are having the performance issues.
- Responsible for monitoring and making recommendations for performance improvement in hosted databases. This involved index creation, index removal, index modification, file group modifications, and adding scheduled jobs to re-index and update statistics in databases.
Confidential, Irving, Texas
PDBA/SDBAResponsibilities:
- Performed benchmark which compared performance of Sybase ASE v12.5.4 and Sybase 15.0.3 ESD#4.5 and 15.5 and Subsequent incremental configuration changes as precursor to Sybase upgrade for Tier-1 OLTP Applications.
- Installing /Upgrade & configuring Sybase ASE/REP/IQ 15.0.3 & 15.7 & 15.4 in AIX & Linux.
- VTM Upgrade & configuring Sybase 15.0.3 to 15.5 /15.7 in All AIX & Linux and Sun Solaris environments.
- VMware Sybase installation on version 15.5 & 15.7,cluster fail-over and fail-back
- Capacity planning for the new applications.
- Upgraded SQL Server 2000 to SQL 2005 server for high volume processing databases on a clustered environment.
- Sybase IQ 15.4 Simplex & Multiplex support and fixed / worked on performance issues.
- Conducted database design review and made suggestions for performance improvement for critical tier 1 application, for large databases.
- Optimized poorly tuned stored procedures, improvement ranged in tens of percent to orders of Magnitude against very large databases.
- Maintained high availability of databases using Database Mirroring and Log Shipping.
- Performed DBCC utilities and fixed data corruption in application databases.
- Worked extensively on Clustering and server consolidation. Troubleshooting production issues and raising high availability.
- Experience in Disaster Recovery Planning and Security Management operations.
- Reviewed current data server configurations and made suggestions for performance improvements.
- Installation and the configuration of the SQLbacktrack (BMC tool) for the critical servers
- Created maintenance (update statistics, reorg, Dbcc) scripts for large databases cut time required to perform by order of magnitude.
- Managing logins, roles, assigning rights and permissions. Created views to implement security.
- Backing up master & system databases and restoring them when necessary.
Confidential
MS SQL DeveloperPrimary Skills: Sybase (ASE, REP, IQ) /MS SQL DBA & Developer
Responsibilities:
- Worked with PDBA DBA group to build new Sybase & MS SQL servers for development, UAT and production environments.
- Database Migration, objects partitioning, modified stored procedures which were having performance issues.
- Experience in Batch processes, Import, Export, Backup, Database Monitoring tools and Application support.
- Oracle PL/SQL development and database migration.
- Troubleshooting locking and deadlock issues and informed and advised to application team for the tuning.
- Tune / update the stored procedures ; database integration and split data in partitions
- Minimized database recovery time by determining, testing and implementing backup/recovery strategy and plan for each databases.
- Worked on Log Shipping, Replication to restore Database backup.
- Installed unix scripts to establish dynamic performance monitoring, database troubleshooting and resource contentions resolution.
- Wrote scripts for taking backups and DBCCS, reorg rebuild, update statistics, transaction log dumps, error log checking, thresholds etc.
- Other DBA activities performed were creation of servers/dbs, logical/physical design of database, upgrading servers, preparing server information reports, working on performance benchmarking, server renaming, other daily server monitoring activities, etc.
- Evaluated SQL*Backtrack for all features like logical/incremental backup, object level backup/recovery etc.
- Resource Management and Configuration server level Parameters.
Confidential
MS SQL DeveloperPrimary Skills: Sybase/ORACLE & MS SQL Developer, UNIX scripting, crystal report
Responsibilities:
- Wrote stored procedure and indexing, view, trigger and row by row manipulation via cursor.
- Carried out some BCP activities for large tables in order of 400 million rows using views to split data based on date time columns
- Tuned over 50 stored procedures and created appropriate indexes where necessary.
- Dropped clustered indexes on huge tables having 12 million rows due to deferred updates on it and not using any range queries. Replaced the clustered index by unique non-clustered indexes
- Shell/Perl scripting and major utilities for monitoring.
Confidential
Sybase & MS SQL Developer
Responsibilities:
- Provide on call 24 by 7 production support for OLTP and DSS databases.
- Wrote T-SQL scripts to deploy all newly created indexes and store procedure code files over to QA and UAT for testing.
- Data modeler and developer assigned to the Regulatory-CSE Data Warehouse.
- Wrote many stored procedures for daily & monthly crystal reports with PLSQL & Tsql
- For better performance, Optimized poorly tuned queries and stored procedures for Application .
- Developed new stored procedures for data movement and reporting.
- Rewrote key data warehouse loading procedures to improve performance and implement data range versus data point maintenance.
- Developed and tested storage strategies and disaster-recovery plan for large manufacturing company’s operational database, delivering solution that guaranteed recovery performance and high availability
- Configured server parameters such as ‘network packet size’, ‘max memory’, ‘I/O polling process count’ to improve over all server performance.
- Responsible for QA and production releases.
- Implemented index rebuild and update statistics weekly maintenance jobs.
- Developed scripts for database maintenance including backup, restore, and database consistency checking and index recreation.