Database Administrator Resume
New, YorK
PROFESSIONAL SUMMARY:
- 8+ years of Database administration and support experience in all phases of software development lifecycle.
- Expert in Installation, configuration and maintenance of MongoDB, IBM DB2/SQL Server/Oracle/MySQL server and related products.
- Skilled in database administration tasks like Relational DDL design, Maintaining Referential Integrity, indexing strategies, and SQL Query Troubleshooting Using DB2 UDB
- Experienced in handling DB2 UDB security, establishing Replication between servers, Capacity planning, Backup and Restore procedures, maintaining archival logs, Corruption and RecoveryManaging task level permissions
- Be responsible for providing day - to-day support and maintenance for all databases running
- Take lead in investigating potential problems and issues raised by users; this includes on-call support and offline assistance
- Have experience in migrating databases with zero downtime
- Solid understanding of Database technology - DB2 UDB Distributed databases (DPF)
- Extensive Database performance tuning experience
- Experience with Unix/Linux OS platform and Unix Shell scripting and automation
- Deep understanding of industry-standards, best enterprise-class practices for a large distributed/Singular database environments
- Monitor application events to proactively optimize system and application performance
- Work with the team to automate daily tasks, and to promote rapid response to recurrent issues
- Work with Inter-department teams to implement changes to production and environments to increase efficiency
- Experience with analytical programming using Python, HTML, CSS and JavaScript
- Be accountable for maintaining databases in compliance with established best practices and established baseline configurations
- Be accountable for daily backup and disaster recovery procedures
- Implemented HADR for high availability for db2 database environments
- Work in conjunction with other IT groups and company departments to understand functionality, scalability, performance, security, and integration requirements for all business needs
- Keep up to date with supporting application architectures and functionalities running in Linux/UNIX environments.
- Perform other duties and responsibilities as required by management from time to time
- Suggest improvements and seek additional training to maintain skills necessary to work with changing technologies
- Experience with Big Data, NoSQL database technologies such as Apache Cassandra, MongoDB, HBase, CouchBase, Matrix, etc.
- Experience in working with IBM PureScale.
- Installing, configuring and maintaining DB2 Purescale database on Linux on x86.
- Translating logical data models into physical database designs
- Proficient in clustering techniques, load balancing, indexes
- Experience in Monitoring, managing and resolving performance issues using Foglight, Tivoli
- Experience working in virtual environment using VMware and VirtualBox
- Update Run Books and Knowledge base.
- Developing database architecting that includes sizing, performance, scaling, tuning, backup, high availability and disaster recovery for DB2 Purescale to support implementation of Content Manager on x86 Linux.
- Demonstrated success in past roles where Data Modeling and DB2 PureScale implementation skills were utilized to ensure system functionality, security, reliability, and performance were delivered in-line with client expectations
- Excellent written and verbal communication skills.
- Hands on experience in data processing automation using python.
- Strong organizational skills and the ability to multitask; can set priorities and follow a timeline.
TECHNICAL SKILLS:
Databases: DB2 LUW V 8.x, 9.x,10.5,11& Oracle 12/11/10g, SQL Server, MongoDB 3.x, MySQL, Maria DB
Data tools: IBM Data studio 2.x, Quest Fog light 4.x, 5.x, Spotlight, Toad, db2pd, db2haicu, db2top, SQL Loader, EMC Networker, IBM TSM, DB2 Connect, BMC Change Manager, SQL Optimizer.
Operating Systems: AIX 6.x,5.x/4, Red Hat Linux 4.x, 5.x, Solaris 2.8/2.7/2.6, Windows Server 2008, NT 4.0, HP-UX10.2/11.0.
Programming: Java, Shell Scripting, PERL Scripting, AWK and SED.
Automations Tools: Cron, Autosys, Windows Scheduler, TWS, ServiceNow, BMC Remedy
PROFESSIONAL EXPERIENCE:
Confidential - New York
Database Administrator
Responsibilities:
- Designed DB2 LUW Systems on Linux Server for the Latest FTM portal.
- Worked with Architecture, Design, Network Support, Server teams.
- Provided 24x7 on call DBA support for production environment on rotation.
- Provided support for backup, recovery, replication, deployment and real time production troubleshooting DB2 UDB databases with DPF.
- Diagnosed database performance issues using performance monitors and various tuning techniques.
- Collaborated with Systems administrators on Linux/Unix/VM issues related to Databases.
- Developed Shell scripts for automation of routine activities.
- Configured and maintained High availability and clustering.
- Increased database performance by utilizing MySQL/MariaDB configuration changes, multiple instances and by upgrading hardware
- Supported data guard/Qrep replication.
- Helped in Migrating 40 Application databases to AWS cloud.
- Certified AWS associated Architect.
- Addressed database production problems, database connectivity issues and Disaster recovery
- Configured Tidal to schedule daily/weekly/monthly jobs including Backup, Data load, snapshots and run stats scripts
- As a member of Wealth Management Team, provided supervision and assistance in meeting compliance, and choosing appropriate products and solutions.
Confidential - Wisconsin
Database Administrator
Responsibilities:
- Installed, configured SQL Server 2005 and 2008 R2 in all environments.
- Involved in Analyzing and Upgrading SQL Server 2005 test servers to SQL Server 2008.
- Perform SQL Server service pack and Windows Service pack upgrades.
- Designed and implemented comprehensive Backup plan using SQL Server Maintenance Plan.
- Experienced in configuring log Shipping and Mirroring for SQL Server 2008 R2.
- Troubleshoot performance problems and fine-tuning of databases.
- Rebuilding the indexes at regular intervals for better performance.
- Checking Database Health by using DBCC Commands and DMVS
- Worked extensively in Query analyzer and profiler for tuning queries using variable for characteristics and query costs.
- Experience in design, development, and implementation of DB2 (LUW, and PureScale) in an enterprise environment.
- Experience in replacing both cluster caching facilities using a rolling upgrade technique which ensures DB2 pureScale instance will not experience an outage.
- Monitored and modified Performance using execution plans and Index tuning.
- Transferring the data (ETL) to Data warehouse by SQL Server 2008 Integration Services.
- Involved in trouble shooting databases for its performance and concurrency.
- Designed and implemented comprehensive Backup plan and disaster recovery strategies.
- Designed and created databases, tables, views, store procedures and triggers.
- Updating database systems by reviewing, planning, testing and installing database security patches and service packs.
- Involved in capacity planning and monitoring data/log files size, growth and disk space.
Confidential, New York
Database Administrator
Responsibilities:
- Performed Knowledge Transfer to Offshore DBAs for Operations Support.
- Provided DB2 LUW support in Staging and Production environments.
- Worked with Architecture, Design, Network Support, Server teams.
- Provided 24x7 on call DBA support for production environment on rotation.
- Provided support for backup, recovery, replication, deployment and real time production troubleshooting on DB2 UDB databases with DPF.
- Diagnosed database performance issues using performance monitors and various tuning techniques.
- Collaborated with Systems administrators on Linux/Unix/VM issues related to Databases.
- Developed Shell/Perl scripts for automation of routine activities for LUW.
- Configured and maintained High availability and clustering.
- Increased database performance by utilizing MySQL/MariaDB configuration changes, multiple instances and by upgrading hardware
- Supported data guard replication.
- Addressed database production problems, database connectivity issues and Disaster recovery
- Configured TWS to schedule daily/weekly/monthly jobs including Backup, Data load, snapshots and runstats scripts
- As a member of Wealth Management Team, provided supervision and assistance in meeting compliance, and choosing appropriate products and solutions.
Environment: DB2 UDB, SQL Server, MySQL, MariaDB, LDAP, TSM storage, Linux, Windows.
Confidential, New York
Database Administrator
Responsibilities:
- Installed, configured, monitored and maintained DB2, MySQL and Oracle systems.
- Upgraded databases to latest version.
- Worked with Instance and database configuration parameters to automate tasks for logging, storage and disk management.
- Collaborated with teams to identify and resolve project issues and risks.
- Developed and tested storage strategies and disaster-recovery plan for operational database and delivered solution that guaranteed recovery performance and high availability.
- Performance Tuning on a daily basis for preventing issues and provided capacity planning using.
- Proactively used db2advis and db2explain plans to tune expensive SQL queries effecting performance.
- Audited databases for security breaches using DB2AUDIT.
- Configured AutoSys to schedule daily/weekly/monthly jobs including Backup, Size of tablespaces, snapshot and runstats scripts.
- Enhanced end users understanding of database systems by conducting pre-implementation workshops, training sessions and creating user-friendly training materials.
Confidential - Washington, DC
Database Administrator
Responsibilities:
- Reviewed project deliverables for completeness, quality and compliance with established project standards
- Upgraded databases to latest version.
- Worked with Instance and database configuration parameters to automate tasks for logging, storage and disk management.
- Collaborated with teams to identify and resolve project issues and risks.
- Developed and tested storage strategies and disaster-recovery plan for operational database and delivered solution that guaranteed recovery performance and high availability.
- Installed, configured, monitored and maintained DB2, MySQL and Oracle systems.
- Performance Tuning on a daily basis for preventing issues and provided capacity planning using MySQL Enterprise Monitor.
- Performed database migration fromMyISAM format to Innodb storageengine to increase performance and betterment of integrity constraints.
- Installing MongoDB any version on all platforms.
- Integration and Extraction on data from RDBMS to MongoDB using Pentaho Tool.
- MMS cloud backup management.
- Used of Mongo top utility, Mtools, MongoProc tool to analyze logs.
- Sharding Concepts.
- Replication Setup of MongoDB on any Platform.
- Backup and Restore using mongo dump, mongo export, mongo import.
- Proactively used db2advis and db2explain plans to tune expensive SQL queries effecting performance.
- Audited databases for security breaches using DB2AUDIT.
- Configured Control-M to schedule daily/weekly/monthly jobs including Backup, Size of tablespaces, snapshot and runstats scripts.
- Enhanced end users understanding of database systems by conducting pre-implementation workshops, training sessions and creating user-friendly training materials.
Environment: MySQL, MariaDB, DB2 UDB, MongoDB, Cassandra, Oracle, SQL Server, Hadoop, Linux, Solaris and AIX.
Confidential
Database Administrator
Responsibilities:
- Installed, Configured and maintained DB2 LUW server and related products.
- Handled 20 Database servers.
- Addressed day-to-day problems encountered on production, development and test database environment.
- Developed and implemented standards to create databases and related objects.
- Performed online and offline backups as well as wrote shell scripts and scheduled them.
- Monitored Database, Table spaces and its objects through Snapshots, Health Monitors with Quest Central tool.
- Configured Crontab to schedule regular maintenance jobs.
- Worked with Architecture, Design, Network Support, Server teams.
- Performed user access management and management of logins, aliases, and groups to the databases
- Granted and revoked permissions on database objects as required.