Data Analyst Power Bi

ROJI KARTHIKEYAN

***********@*****.*** 614-***-****

Concepts

Business Intelligence

Data Mining

Data Engineering

Data Visualisation

Database Support

Business System Analysis

Data Mapping

Agile

Academic Detail

Bachelors in

Computer Science

and Engineering

2003

IT SKILLS

Data Visualization tools:

Tableau,

Power BI

Data Analytics tools:

Microsoft Excel,SAS,Alteryx

Programmimg:

Python,R-programmimg,

SQL

RDBMS:

Oracle,My SQL,Azure,Snowflake

Certifications:

Oracle 9i and 10g DBA

C

At COTA(Central Ohio Transil Authority)(Aug ‘2023-Apr 2025)

Lead Data Analyst,Columbus,OH

Critical thinker and responsible for providing descriptive, diagnostic, inferential, and predictive analytics for various business areas, including Planning &scheduling, Operations, On Time Performance management, Human resources,Vehicle maintenance and Opearator’s PIC.

Created dashboards and various reports through Power BI services and delivered actionable insights through data-driven decision-making which is used by various depatements on a day to day basis,

Lead the data and analytics team by identifying and extracting the right data sources,mapping the data from source to target finding patterns and relationships to create the data model and using complex SQL queries and summarizing by recognizing the most revealing methods of analysis and interpretation of data analysis using Python.

At Proxima360( Jan’ 2020-‘August ‘2023) Data Analyst

https://proxima360.com

Configured and optimized BI environments with data integration and migration across various platforms for optimal performances of resources and re-engineering of business processes through JAD sessions for clients from retail,sales,logistics and banking industries.

Developed multiple dashboards,analytical reports,KPIs build and interactive reports on various business requirements using power BI services and Tableau workbooks.

Developed and implemented data pipelines from data warehouses and optimized statistical efficiency, data flow,data quality and integrity using software like R,SAS and Alteryx.

Having experiences with statistical data used graphs and other methods to visualize data in numerous projects with tools like advanced Excel, Tableau, Power BI supporting executive needs of the client.

At Oracle Corporation India Pvt. Ltd.(Dec ’05-Oct ’07) Support Analyst,

Bangalore,India

Independently managed various multiple service requests raised by the customers while they faced issues with the oracle products and databases.

Provided support for upgrading databases from development/validation servers to production and vice versa.

Credited for providing the customers with best solutions thereby having strong customer satisfaction feedback.

Sole-handedly worked on global process that included providing quality technical support to customers around the globe

At Samina SCI Corporation India Pvt. Ltd.( Dec’04-Dec’05) Business Systems Analyst,Chennai,India

Analyzed enterprise business process on Oracle 11iERP,created and presented reports to executive team members and made recommendations based on the industry trends thereby improving performance.

Trained staff on data centre support tools, procedures and scripts

Helped resolve issues on production instances.

Abolished concurrent request, adjusted the cache size, monitored pending requests, dispatched priority within the concurrent managers

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