Jimmy Hernandez

Verizon - Quality Assurance and Data Visualization (Aug 2024 - Current)

• Apply enhancements and maintain current Tableau Dashboards
• Collaborate with tool developers to translate technical changes into comprehensive test cases for Tableau-based data tools.
• Execute detailed test plans to meticulously validate tool functionality, visual presentation, and data accuracy against defined requirements.
• Leverage strong SQL skills to identify, document, and report bugs to tool owners, facilitating a collaborative resolution process to ensure 100% accuracy.

Google - G1 Marketing Data Analyst (Aug 2023 - July 2024)

• Extracted and analyzed large, intricate datasets utilizing complex SQL joins and Common Table Expressions (CTEs) to derive actionable insights.
• Developed and delivered impactful data-driven stories through clear and concise visualizations and presentations to effectively communicate complex findings to stakeholders.
• Enhanced data accessibility by developing a daily-updating dashboard using Looker with custom queries.

Google - AI Training Quality Assurance (Mar 2023 - Aug 2023)

• Led weekly group and one-on-one meetings with writers to provide feedback, answer questions, and drive productive discussions.
• Empowered writers by creating personalized performance dashboards that highlighted strengths, weaknesses, and data-driven insights for improvement.

• Provide data analytic support for the Miami-Dade Ryan White Program (RWP) which provides a comprehensive system of HIV primary medical care, support services, and medications for low-income people with HIV, by analyzing data from a Relational Database Management System with over 8,000 clients with the use of SQL, SPSS, and Excel.
• Key Performance Indicators: Provided KPIs such as clients in medical care, clients retained in medical care, viral load suppression, and others to healthcare organizations (HCOs), that utilize the RWP. Developed graphs that indicated trends in KPI per HCO (21 total). Based on my data, BSR staff developed personalized action plans for each HCO to increase performance.
• Needs Assessment: Created various visually appealing reports that displayed which key populations required the most attention for medical needs, what risk factors are most associated with RWP clients, the zip codes in which most clients are in, and others. These reports were sent to the Health Resources and Services Administration for proper budget allocation per service categories for each city eligible for the RWP.
• Grant Proposal: Developed insightful cross tables, graphs, and charts to include in our grant proposal to the government to receive RWP funding for the fiscal year. In addition, I described my data in full detail to elaborate on areas of need, budget allotment, and sub-populations of high priority.

• Oversaw the complete operational readiness of 3 on-site underwater electromagnetic (UEM) systems through rigorous testing, maintenance, and troubleshooting.
• Spearheaded the electrical design for a new offshore UEM system, engineering the power distribution and data telemetry architecture.
• Collaborated closely with mechanical and ocean engineering teams to ensure the successful and safe deployment of complex UEM systems.
• Authored and standardized official Standard Operating Procedures (SOPs) for all on-site systems, establishing clear protocols for safe and consistent operation.