SUMMARY:

• Information Technology Professional with experience focusing on Big Data Architecture and Operation Management.
• Extensive skills in modeling data systems, designing systems architecture and optimizing several database systems including Hadoop, Oracle and data warehouse.
• Strong technical background in big data architecture and DBA management.
• Information Technology Professional with experience implementing Big Data systems and enhancing performance.
• Proven project management and people management skills.

TECHNICAL SKILLS:

Languages: Python, Java, JS, Node.js, SQL, PL/SQL

Data Model: Oracle Data Modeler, Oracle BI

Network: TCP/IP, SQL*Net

Platforms: MS - Windows, UNIX, Linux

Technologies: Hadoop, Spark, MEAN Stack, Oracle

Hadoop Utilities: Pig, HIVE, PIG, Lucene/Solr, Hue, Sqoop

Databases: Oracle, SQL Server, MongoDB, HBase.

PROFESSIONAL EXPERIENCE:

Confidential , Alexandria, VA

MongoDB Architect/DBA

Responsibilities:

• Joined a team of consultants, programmers, developers, and analysts to rebuild a mission-critical equipment management system based on MEAN stack infrastructure.
• Provided new database MongoDB architecture recommendations and using sharding DB as a data hub to store, transform and consume data in an enterprise data architecture.
• Defined architecture with new designs and foundational application changes for legacy system modernization. This spanned core structural modernizations, de-normalization and conversion processes in all collections .
• Hands-on design, install and upgrade MongoDB database management system and enhance collections performance including index utilization as well. Set up database sharding, backup and recovery processes.
• Responsible for database architecture and modeling, converting the RDBMS into Mongodb.
• Provided modeling comparisons to assist in implementation. Maintained the model repository over the lifecycle of system changes and synced with Enterprise Architect.
• Identify and correct deviations from database development standards.
• Administered and supported distribution of Cloudera works and the connection to Mongodb.
• Generated and updated reports and queries in Python. Provided technical assistance during impact assessments and implementation. Implemented code migration and participated in related Mongodb code reviews.
• Suggested latest upgrades for existing Hadoop cluster applications.

Confidential, Secaucus, NJ

Architect/DBA

Responsibilities:

• Designed and executed database solution with Modelling and Migration processing. Implementing performance testing, analyzed results and delivered recommendations for converting legacy application BERT into MongoDB.
• Worked with clients to develop a sharding database architectural strategies at the modeling, design and implementation stages to address business or industry requirements.
• Review and go-production approval for database, such as multiple datacenter performance, collections data transfer mechanisms, global users’ performance, data partitions, and enable efficient access of the generic database structure.
• Provide technical support to data architect and internal teams.
• Develop data models for applications, reporting views or related database structures. As well, set up database backup, or recovery processes.
• Plan and install upgrades of MongoDB database software to enhance database performance. Identify and correct deviations from database development standards.

DBA

Confidential

Responsibilities:

• Executed database level trace, health checking and resource monitoring based on project needs.
• Provided performance analysis and optimization recommendations.
• Predicted application performance under stress scenarios and identified ceiling user capacity.
• Integrated different database structures and provided modeling comparisons to assist in implementation.
• Maintained the model repository over the lifecycle of system changes and synced with Enterprise Architect.
• Optimized application, in SQL Server DBs from database parameters to index tuning. Using MS SSMS (SQL Server Management Studio) and SQL Profiler to tuning database and table performance, index utilization, query plan analysis.
• Major projects included CRM system and eDocumentation, meeting the client requirement for hundreds of concurrent users and benchmarking the upgrade to a newer version.
• Performed Peoplesoft conversion tuning: the configuration of tools for backup and restore, monitoring, performance enhancement and debugging.

Database Administrator

Confidential

Responsibilities:

• Duties included a hands-on supporting database production, maintenance, disaster recovery, security and troubleshooting.
• Managed recovery process for BERT (ERP System) crash and worked with other IT functions to stabilize the system. Reviewed procedures and made recommendations for improved BERT performance.
• Coordinated with the Development, UNIX/LINUX, DBA, Storage, QA, End User and Batch Scheduling teams.
• Implemented ITIL Incident, Problem and Change Management processes across Global Operational Services organization.
• Trialed, recommended and advocated for the introduction of new technologies
• Prepared business cases and high level presentations to senior management through to implementation and final assessment.