- Woodworking
- Auto Repair/Restoration
- Outdoor Recreation
- DIY and Home Improvement
- Tech enthusiast, passionate about exploring the latest advancements and innovations Micro CHP heating, solar OFFGRID
John Zielinski
Mastic,New York
Summary
Im a Dedicated technician with extensive hands-on experience in troubleshooting, maintenance, and repair of complex systems, including electric, hybrid, gas, and diesel models. A strong emphasis on team collaboration and results-driven approaches supports a reliable and adaptable skill set in diagnostics, electrical systems, and mechanical repairs. Recognized for effective problem-solving abilities and commitment to high-quality outcomes while streamlining processes to prevent future issues. Eager to embrace new technologies and stay updated with industry advancements to optimize repairs and minimize costs.
Overview
24
24
years of professional experience
1
1
Certification
Work History
Senior S4 Tesla Technician
Tesla
11.2020 - Current
- Performed daily maintenance of all electric vehicles
- Tesla High voltage Certified
- Worked closely with customers to troubleshoot hardware and software issues with Tesla vehicles
- Dispatched Repairs to facilitate efficient and timely repairs based on technician skill set
- Prepared and Remotely Pre-Diagnosed vehicles for the entire shop, while adding correct labor times, allocated parts, coordinated with customers for bug report feedback and remote technical support.
- Internally Trained Technicians on Tesla Diagnostics, including CAN bus, LIN bus, CAN Topology, Pico scope , Wiring diagram usage and interpretation
- Trained new technicians on safety protocols and operational best practices.
- Streamlined workflows by identifying process inefficiencies and recommending improvements.
- Actively participated in continuous learning initiatives to stay updated on industry trends and advancements in technology.
- Fluent in Electrical Theory, Ohms law, CAN protocol, UDS functions, Module firmware programming, as well as debugging
- High voltage battery Discharge Certified
- Diagnosed technical issues and implemented effective solutions to minimize downtime
- Forklift certified
Assistant IT Administrator
BMW Southampton
06.2013 - 11.2020
- Per shop BMW requirements, Maintained dealer internet connection, Diagnostic server operation and software updates
- Troubleshoot outages and port issues
- Updated and repaired shop diagnostic equipment (ISTA) Tablets
BMW Lead Master Technician
BMW Southampton
06.2013 - 11.2020
- Directed and guided technicians in day-to-day operations.
- Performed assistant shop steward duties
- Troubleshoot technical issues and provide service to all BMW vehicles
- Consulted with customers to offer recommendations for optimal maintenance schedules to optimize vehicle performance
- Performed NYSI inspections
- BLITZ 2 BMW High voltage Certified
- BMW Hybrid Certified
- Motorsport Certified
BMW Master Technician
Habberstad BMW
12.2008 - 06.2013
- BMW level A Diagnostic technician, performed all mechanical and routine maintenance needed for BMW, including engine overhaul, Infotainment diagnostics ad repair, firmware updates, NYS Emission/Safety inspector
BMW Master Technician
Competition BMW
01.2006 - 09.2008
- Direct and guide technicians in day-to-day operations
- Troubleshoot technical issues and provide service to all BMW vehicles
- Consult with customers and offer recommendations for optimal vehicle performance
BMW Master Technician
Midwestern Auto Group
12.2003 - 12.2005
- BMW Master technician
- When needed worked on ROLLS ROYCE Phantom vehicles
- 1 Year experience on LAND ROVER, when dealer needed a technician in that brand
- Maintain superior mechanical knowledge for customer consultations
- Operate equipment for diagnostics and repairs
- Diagnosed complex vehicle issues using advanced diagnostic tools and software.
BMW Master Technician
Kelly BMW
05.2001 - 12.2003
- Troubleshoot and repair mechanical issues for BMW and Land Rover vehicles
- Maintain superior mechanical knowledge for customer consultations
- Operate equipment for diagnostics and repairs
Education
Master Technician - BMW
BMW STEP Program
Orlando, FL09.1999
Associate of Applied Science - Automotive Gas and Diesel Vehicles
Ohio Automotive Technical College
Cleveland, OH04.1999
Basics - Automotive Technology
BOCES Islip Technical Center
Islip, NY06.1997
Skills
- Diesel engine maintenance
- Air brake operation
- Chassis & Suspension
- Refrigeration unit maintenance
- Standby power engine operation
- Medium duty diesel repair, 73, 60, 64 international engines DT570
- Diesel emission diagnostics
- Direct injection diesel and gasoline engine diagnostics
- Safety system diagnostics AIRBAG Dynamic stability control, Autopilot
- High Voltage certified 800 volt systems
- Medium Volt system diagnostics ie 48v electrical systems
- Skilled in mentoring others
Certification
High voltage BMW BLITZ 2 Certified
Hybrid driveline certified
Completed 4 out of 5 Tesla Masteries
Held NYS inspector cert
Interests
Timeline
Senior S4 Tesla Technician
Tesla
11.2020 - Current
Assistant IT Administrator
BMW Southampton
06.2013 - 11.2020
BMW Lead Master Technician
BMW Southampton
06.2013 - 11.2020
BMW Master Technician
Habberstad BMW
12.2008 - 06.2013
BMW Master Technician
Competition BMW
01.2006 - 09.2008
BMW Master Technician
Midwestern Auto Group
12.2003 - 12.2005
BMW Master Technician
Kelly BMW
05.2001 - 12.2003
Basics - Automotive Technology
BOCES Islip Technical Center
Master Technician - BMW
BMW STEP Program
Associate of Applied Science - Automotive Gas and Diesel Vehicles
Ohio Automotive Technical College
Awards
Placed 3rd in NYS Ford Competition While attending BOCES, Graduated with Honors, Ohio Automotive Technical College, BMW Master Technician
Skillset
- Able to Diagnose High voltage isolation issues, inverter issues and PM motors as well as A/C induction motors and IGBT, MOSFETS ECT
- HVAC and Heatpump Diagnostics and repair
- Diagnosed NVH/ Water ingress issues
- Replaced Circuit board level repairs such as Modems, Daughterboards
- Autopilot/ Camera diagnostics
- Achieved the following Tesla Masteries
- DAS/ Autopilot Mastery
- HVAC/NVH Mastery
- High Voltage Mastery
- Electrical Mastery
- Delighted in making the shop work efficiently while promoting individual employee growth
HOBBIES
Build off grid systems for heating/electric generation for my home (Micro CHP)