Andre Hernandez

1. EV & High-Voltage Specialist

Focuses on electric vehicles, battery modules, and complex diagnostics.

• Performed diagnostic testing and cell balancing on high-voltage EV battery packs using specialized software and multimeters.
• Disassembled and repaired battery modules, replacing defective cells and ensuring all connections met strict manufacturer torque specifications.
• Analyzed thermal management systems to ensure optimal cooling and heating performance, preventing thermal runaway.
• Maintained 100% compliance with high-voltage safety protocols (NFPA 70E) and utilized Personal Protective Equipment (PPE) at all times.

Focuses on the production line, assembly, and testing of new units.

• Executed End-of-Line (EOL) testing to verify capacity, voltage, and internal resistance against quality benchmarks.
• Operated automated assembly equipment for cell-to-pack integration, ensuring high-precision welding and bonding.
• Identified and documented production defects, reducing scrap rates by 15% through proactive troubleshooting of calibration errors.
• Conducted life-cycle aging tests and stress tests to validate battery durability and performance under extreme conditions.

Focuses on forklifts, UPS systems, and solar grid storage.

• Managed preventative maintenance for large-scale Lead-Acid and Lithium-ion battery arrays, including watering, cleaning, and terminal tightening.
• Utilized load testers and hydrometers to assess the "State of Health" (SoH) and "State of Charge" (SoC) for critical backup power systems.
• Troubleshot Battery Management Systems (BMS) to resolve communication errors between storage units and the power grid.

• Assisted clients with daily living needs to maintain self-esteem and general wellness.
• Monitored client vital signs, administered medications, and tracked behaviors to keep healthcare supervisor well-informed.
• Assisted disabled clients to support independence and well-being.

• Scraped, washed and efficiently restacked dishware, utensils, and glassware to keep kitchen ready for customer demands.