SUMMARY:

• Experienced DBA in production environments ensuring database systems operate efficiently and securely
• Hard worker to understand and obtain the best achievements
• Ability to work independently and as a team
• Flexible to work in fields, in different countries and environments
• Dedicated, self - motivated achiever who is committed to success and skilled at performing multiple tasks in a highpressured environment
• Ability to deal with supervisors, subordinates, and employees/ customers in a professional manner.
• Strong organizational and interpersonal skills
• Adaptable with new industries and technologies
• Strong problem solving skill

TECHNICAL SKILLS:

• MongoDB administration (Replication, sharding, backup)
• Microsoft Windows Server and SQL Server administration
• MySQL administration
• Program coding, C,C++, C#, Java
• Linux administration
• Web page developing, PHP, Drupal, ASP.net
• A clear understanding of nosql and relational database design and implementation
• Network configuration and support

PROFESSIONAL EXPERIENCE:

Confidential

MongoDB Database Administrator\Architect

• Secure MongoDB using authentication.
• Evaluated nosql technologies vs relational.
• Automate routine tasks via scripts and tools.
• Set and tune System Parameters for MongoDB
• Monitoring of Document growth and estimating storage size for large MongoDB clusters depends on data life cycle management.
• Built MongoDB multiple version (2.x, 3.0.x and 3.2.x) of cluster.
• Implemented TTL and indexing based on collection of profiling data and EXPLAIN analysis.
• Performed monitoring and capacity planning.
• Responsible in performing multiple upgrades to maintain the database function without errors.
• Experience in handling the service requests with MongoDB Jira for resolving issues.
• Suggested suitable MongoDB Data Modeling techniques for application team.
• Adding and removing shards from sharded cluster.
• Enable sharding on databases and collections by choosing suitable shard keys.
• Familiar with Range based sharding and Hash based sharding.
• Measuring the Index use and dropping the indexes which are not actively used by queries.
• Good Knowledge on Journaling process and manage journaling to prevent data loss.
• Converted replicaset and sharded cluster from MMAPV1 storage engine to Wired Tiger storage engine.
• Configured SSL PEM Keyfile and CA file to encrypt communication channel connections.
• Enforced Keyfile Access Control in a Replica Set and sharded cluster.
• Converted secondary node to Arbiter based on requirement to reuse of storage for different application.
• Sizing of Oplog based on Workloads and to maintain replication properly across all the nodes.
• Maintaining Sharded cluster availability and security across all the nodes.
• Installed and configured OPS manager automation, monitoring and backup agent.
• Implemented better backup solution to backup Mongo Databases.
• Conducting case / system / process study for project planning, scoping, estimation, tracking for MongoDB clusters.

Environment: MongoDB, MMS, OPS manager, mongostat, mongotop, Mongofiles, Ruby, Puppet, Red Hat Linux/Unix,Ubuntu LVM, Splunk,AWS

Confidential

MongoDB Database Administrator

• Designed and implemented MongoDB infrastructure for high availablity.
• Implemented and maintained Kerberos based authentication with MongoDB
• Implemented mongodb as service on cloud
• Setup automated deployments for MongoDB
• Implement with development teams on sharding, indexing and balancing strategies
• Monitor deployments for capacity and performance
• Implement and maintain opsmanager (MongoDB management and backup service)
• Define and implement backup strategies per data retention requirements
• Administer mongoDB to achieve high availability
• Solve production DB problems
• Develop and document best practices for MongoDB
• Implementing operational automation using scripts
• Operationalizing installation of MongoDB using chef
• Installation of MongoDB on physical machines, Virtual machines as well as AWS.
• Implementing SSL security as well as auth keyfile security in sharded cluster set.
• Architecture and Capacity planning for MongoDB clusters
• Provide primary support for escalated helpdesk issues related to Linux server in the infrastructure environment
• Perform system changes following existing change management process
• Assist in creating internal system administration best practices, standards and documentation
• Automate tasks with Linux shell

Environment: MongoDB, Linux RedHat, Ubuntu, Azure, AWS, Chef .

Confidential

Database Administrator

• Responsible for installing, configuring and maintaining SQL Server Failover Clustering for two production environments.
• Responsible for SQL Server security, user management for permissions and roles.
• Manage and maintain MongoDB servers across multiple environments
• Implement with development teams on sharding, indexing and balancing strategies
• Monitor deployments for capacity and performance
• Define and implement backup strategies per data retention requirements
• AdministermongoDB to achieve high availability
• Solve production DB problems
• Develop and document best practices for MongoDB
• Implementing operational automation using scripts
• Operationalizing installation of MongoDB using chef
• Installation of MongoDB on physical machines, Virtual machines as well as AWS.
• Implementing SSL security as well as auth keyfile security in sharded cluster set.
• Architecture and Capacity planning for MongoDB clusters
• Perform system changes following existing change management process
• Assist in creating internal system administration best practices, standards and documentation
• Automate tasks with Linux shell

Environment : MongoDB, MsSQL, MySQL, CouchDB, Linux Redhat, Ubuntu, Windows Server 2008, Rackspace, AWS, Chef