David Esteves
Hemet,CA
Summary
Field engineer with 10+ years deploying, commissioning, and supporting industrial electrical, automation, and energy systems worldwide. Expert in commissioning, troubleshooting, root cause analysis, and customer training across aviation, warehouse automation, and industrial environments. Proven track record improving system reliability, validating new hardware/software, and delivering global technical solutions.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Lead Field Technician & Trainer
Ampure / IPC PosiCharge
Monroiva, CA
02.2025 - Current
- Commission, install, and service industrial EV and airport eGSE charging systems across global airport and warehouse deployments.
- Perform site commissioning, system validation, and acceptance testing for new charger and battery installations.
- Collaborate with engineering teams to test hardware and firmware deviations, identify bugs, and validate fixes before field release.
- Troubleshoot complex electrical, power distribution, charger, and battery system failures; perform root cause analysis and implement corrective actions.
- Provide global on-site field engineering support, system optimization, and reliability improvements for enterprise customers.
- Develop structured training programs, SOPs, commissioning guides, and troubleshooting workflows for field technicians and manufacturing teams.
- Produce technical training videos and documentation to standardize installation, commissioning, and service procedures worldwide.
- Led system architecture and manufacturing process redesign for the Skylink Data Telemetry platform, enabling remote monitoring and energy usage reporting across international airport deployments.
Utility Field Service Technician
Tesla Energy
Riverside, CA
02.2024 - 02.2025
- Troubleshoot and repair large-scale stationary battery systems and medium/high-voltage electrical equipment.
- Perform preventive maintenance, calibration, and voltage verification to maintain system reliability and warranty compliance.
- Use advanced diagnostic tools and Linux-based utilities for fault isolation and system testing.
- Document root cause analyses and corrective actions in cloud-based service platforms.
Robotics Technical Trainer
Amazon Corporate
Seattle, WA
06.2020 - 05.2023
- Delivered nationwide training on robotics, automation systems, and electromechanical troubleshooting.
- Developed technical manuals, e-learning modules, and instructional videos for automation and maintenance procedures.
- Conducted troubleshooting simulations to improve technician diagnostic skills and reduce downtime.
Maintenance Technician III
Amazon Fulfillment
Moreno Valley, CA
12.2013 - 05.2020
- Installed, maintained, and repaired automated packaging, conveyor, and material handling systems.
- Troubleshoot PLC-controlled automation equipment, sensors, and electromechanical systems.
- Led preventive maintenance programs to improve system reliability and reduce unplanned downtime.
- Managed CMMS work orders and trained maintenance technicians.
Education
Associate of Science - Industrial Electrical Technology
Chaffey Community College
Chino, CASkills
- Field Engineering & Commissioning
- Industrial Electrical Systems
- PLCs & Controls
- HMI/SCADA
- Industrial Networking
- VFDs & Motor Control
- Sensors & Automation Equipment
- Power Electronics & Battery Systems
- High/Medium Voltage Systems
- Root Cause Analysis
- Preventive Maintenance (CMMS)
- Linux Diagnostics
- Technical Training & Documentation
- OSHA & NFPA 70E Safety
- Field service experience
- Network configuration
- Diagnostic skills
- Electrical systems expertise
Websites
Certification
- OSHA 10
- NFPA 70E Electrical Safety
- Electrical Safety Training (2024)
Timeline
Lead Field Technician & Trainer
Ampure / IPC PosiCharge
02.2025 - Current
Utility Field Service Technician
Tesla Energy
02.2024 - 02.2025
Robotics Technical Trainer
Amazon Corporate
06.2020 - 05.2023
Maintenance Technician III
Amazon Fulfillment
12.2013 - 05.2020
Associate of Science - Industrial Electrical Technology
Chaffey Community College