Angel Vargas Romero
Petaluma,CA
Summary
Field Service Technician IV with 4+ years of electric-vehicle service and advanced diagnostic experience across Rivian and Tesla.
High-voltage and discharge certified, with hands-on expertise in CAN/LIN network diagnostics, PicoScope waveform analysis,
electrical isolation testing, wiring and connector repair, thermal systems, ADAS, firmware diagnosis, and XMM diagnostic-log
review. Selected as the Rohnert Park technician validator and trusted to coordinate diagnostic dispatch, determine repair direction,
and assess technicians for advancement.
Overview
1
1
Certification
9
9
years of professional experience
Work History
FIELD SERVICE TECHNICIAN IV (LEVEL 4)
Rivian Automotive
Rohnert Park
08.2025 - Current
- Diagnosed complex electrical, communication, thermal, ADAS, and firmware concerns using CAN/LIN analysis, PicoScope waveform testing, XMM diagnostic logs, Hioki and isolation meters, and digital multimeters to ensure effective troubleshooting.
- Perform high-voltage discharge and electrical-isolation procedures; complete wiring and connector repairs in accordance with Rivian safety and repair standards.
- Evaluate signal integrity, identify root causes, and verify repairs through functional testing, system checks, and post-repair log review.
- Coordinated diagnostic workflow by dispatching work based on findings and repair status.
- Validated Rohnert Park technicians through one-on-one technical knowledge and practical assessments to determine readiness for advancement for Rivian Level 1, 2 and Level 3.
SERVICE TECHNICIAN
Tesla, Inc.
Corte Madera
10.2022 - 07.2025
- Diagnosed complex electrical and mechanical issues, leveraging vehicle logs, OEM service procedures, electrical testing, wiring diagram interpretation, and systematic fault-isolation methods to enhance repair accuracy.
- Performed certified high-voltage contactor and discharge procedures while maintaining compliance with Tesla safety requirements.
- Analyzed vehicle logs remotely to identify faults, establish diagnostic direction, and support efficient repair planning.
- Completed suspension compensation, component removal and replacement, and post-repair verification across Tesla vehicle platforms.
- Translated technical findings into clear repair recommendations and customer updates, facilitating effective communication and improving customer satisfaction.
RETAIL SALES ASSOCIATE
DICK'S Sporting Goods
Petaluma
06.2021 - 09.2022
- Guided customers in product selection, ensuring organized apparel displays, accessible merchandise, and a well-maintained sales floor.
- Managed online orders, incoming shipments, and merchandise replenishment to maintain product availability on the sales floor.
- Set merchandising walls and fixtures according to store game plans and applied tags and security sensors to support inventory control.
FRONT DESK RECEPTIONIST
Sonoma Fit
Petaluma
07.2019 - 01.2021
- Resolved member inquiries, enhancing customer satisfaction in a high-contact fitness environment.
- Maintained accurate financial records and balanced cash drawer daily, supporting member retention and ensuring welcoming facility experience.
WAREHOUSE WORKER
Allemand Electric Supply
Rohnert Park
06.2018 - 08.2018
- Assisted electricians in locating electrical parts and components for job-site tasks.
- Facilitated sorting and recycling of electrical components and materials to promote environmental sustainability.
SALES ASSOCIATE
Old Navy
Petaluma
06.2017 - 06.2018
Education
High School Diploma -
Casa Grande High School
Petaluma, CA01-2019
Skills
Advanced EV Diagnostics High-Voltage & Discharge Procedures CAN/LIN Network Diagnostics PicoScope Waveform
Analysis XMM Diagnostic-Log Analysis Hioki / Isolation / Digital Multimeter Testing Wiring & Connector Repair Signal
Integrity Testing Thermal Systems ADAS Diagnostics Firmware Diagnostics Diagnostic Dispatch & Redispatch
Technician Validation & Assessment
Certification
- Rivian High-Voltage Certified
- Rivian Discharge Certified
- Tesla High-Voltage Contactor & Discharge Certified
Additional Information
Experience building Google Sites and providing English-Spanish translation support
Languages
- English, fluent in spoken and written communication
- Spanish, biliterate in Spanish
Transferable Operations Skills
- Customer Service
- Retail Operations
- Online Order Fulfillment
- Inventory Control
- Merchandising
- Cash Handling
- Electrical Parts Support
- English-Spanish Communication
Leadership Experience
Rivian Technician Validator - Level 1, 2 and Level 3 advancement assessments; diagnostic workflow coordination and technician support
Timeline
FIELD SERVICE TECHNICIAN IV (LEVEL 4)
Rivian Automotive
08.2025 - Current
SERVICE TECHNICIAN
Tesla, Inc.
10.2022 - 07.2025
RETAIL SALES ASSOCIATE
DICK'S Sporting Goods
06.2021 - 09.2022
FRONT DESK RECEPTIONIST
Sonoma Fit
07.2019 - 01.2021
WAREHOUSE WORKER
Allemand Electric Supply
06.2018 - 08.2018
SALES ASSOCIATE
Old Navy
06.2017 - 06.2018
High School Diploma -
Casa Grande High School