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Efrain Plaza

@efrainplaza

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Senior Data Analyst at Cisco Systems, building logistics dashboards and automating analytics workflows.

United States

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At Cisco Systems, I build analytics for global manufacturing logistics, including a Power BI shipment consolidation dashboard connected to Snowflake. I also developed an AI-driven schema mapping framework that reduced documentation processing overhead by 85%.

Earlier at Cisco, I developed logistics savings and performance reporting using Oracle Transportation Management data, and optimized an ETL process to cut report runtime from over 10 hours to 2–4 hours. At Purdue University Global, I led a team developing automated solutions and implemented a reporting process that reduced daily information generation from two hours to 10 minutes.

Experience

Work history, roles, and key accomplishments

Current

Sr. Data Analyst

Current

Cisco Systems - TEKsystems

Apr 2025 - Present (1 year 6 months)

Built global security audit analytics dashboard for Global Manufacturing Logistics, partnering with stakeholders to define controls, KPIs, and reporting requirements. Designed and developed shipment consolidation dashboard in Power BI, connecting to Snowflake and creating optimized SQL views.

Power BI DAX Tableau SQL Snowflake Python DBT Asana Salesforce NetSuite AI LLM Data Modeling ETL Dashboard Development

Operations Systems Manager

Purdue University Global

Jul 2014 - Oct 2017 (3 years 3 months)

Created a weekly updated dashboard based on 5 critical metrics, designed to evaluate strategies crucial for the continued success of the organization. Researched current processes, supported stability, and optimized performance of several packages developed using SQL Server Information Services (SSIS).

Tableau SQL Server Integration Services T SQL SSRS Excel Power Pivot Data Analysis Process Optimization

Business Intelligence Analyst

Cisco Systems - TEKsystems

May 2013 - Jul 2014 (1 year 2 months)

In charge of 5 Dashboards presenting critical KPIs to diverse stakeholders at Global Business Services Division. Optimized and generated weekly 2Tier-NG Metrics Dashboard to track Indirect Resellers and Distributors vs. Cisco Service Contract Center adoption.

SQL Oracle Toad For Oracle OBIEE Excel Pivot Tables Data Warehouse Business Objects

Corporate Business Systems Analyst

Baptist Health South Florida

Dec 2011 - May 2013 (1 year 5 months)

Automated weekly Medicaid remit processing using T-SQL queries embedded in Excel, reducing manual processing time from 40 hours to 30 minutes weekly. Processed and validated Electronic Data Interchange (EDI 835/837) transactions to extract claim status data from Medicaid and private insurance portals.

T SQL Excel EDI SQL Crystal Reports Tableau JDA Data Analysis Process Automation

Productivity Analyst

Mercy Hospital - HCA East Florida

Sep 2009 - Dec 2011 (2 years 3 months)

Analyzed and designed SQL scripts to enable optimal delivery of complicated data requests linked to CPT codes on clinical services provided and claims status. Provided ongoing Level II support for staff analysts on Crystal Reports and SQL queries.

SQL Crystal Reports Data Analysis Healthcare Analytics