Michael Dumitru
Skokie,IL
Summary
Highly skilled & extremely knowledgeable diesel technician bringing over 10 years of experience repairing and maintaining semi-trucks, construction equipment, earthmovers, as well as high performance vehicles. Understands wear and tear faced by hardworking vehicles. Relates well to customers, as well as managers—an effective team player with an understanding of customer service standards and documentation requirements.
Overview
12
12
years of professional experience
Work History
Porsche Technician
Porsche Downtown Chicago
Chicago, Illinois
01.2025 - Current
- Performed comprehensive diagnostics, inspections, and fault tracing on Porsche vehicles to accurately identify mechanical and electrical issues.
- Executed advanced mechanical and electrical repairs while adhering to Porsche safety, precision, and performance standards.
- Serviced and maintained engines to optimize power delivery, efficiency, and long-term reliability.
- Completed engine and transmission replacements, ensuring precise installation, proper calibration, and seamless integration with vehicle systems.
- Documented all repair procedures, findings, and service operations in accordance with Porsche dealership requirements.
- Recorded detailed data on repairs, calibrations, testing results, and component performance for accurate service history tracking.
- Followed scheduled preventive maintenance protocols to uphold vehicle reliability and minimize future failures.
- Replaced worn or damaged components with OEM Porsche parts to ensure optimal fit, function, and longevity.
Diesel Technician
Frightliner
Antioch, IL
06.2024 - 12.2024
- Engine Rebuilds
- Head gaskets
- Overhead adjustments
- Transmission repair
- R&R Clutches
- Performed preventative maintenance and diagnostics on diesel engines, ensuring optimal vehicle performance and compliance with safety standards.
- Repaired and replaced engine components, electrical systems, and hydraulics on commercial trucks
Diesel Technician
FS Truck Repair
Lincolnwood, IL
12.2019 - 05.2024
- Performed and documented routine inspection and maintenance
- Accessed damages and performed repairs as needed
- Diagnose issues and problems with different makes & models of semi trucks
- Engine Rebuilds
- Head gaskets
- Overhead adjustments
- Transmission repair
- R&R Clutches
- Managed other employees to make sure they are on task
Diesel Technician
John Deere
Phoenix, AZ
08.2017 - 11.2019
- Serviced and repaired diesel engines in heavy equipment such as loaders, excavators, and cranes used in construction and mining operations.
- Diagnosed hydraulic system failures and conducted system rebuilds, restoring full operational capacity.
- Performed welding and fabrication as needed for structural repairs, adhering to safety standards.
- Diagnose, test, adjust, and repair systems of heavy duty diesel powered equipment
- Actively complete and sustain work record sheets and logs
- Performed maintenance and sophisticated services as needed
- Examine, test drive and troubleshoot electrical, mechanical, and hydraulic problems using standard testing procedures and computer diagnostic equipment
- Repair, overhaul or replace diesel engines, steering mechanisms, rebuild axles, transmissions and braking systems
Diesel Technician
FS Truck Repair
Lincolnwood, IL
11.2013 - 07.2017
- Performed and documented routine inspection and maintenance
- Accessed damages and performed repairs as needed
- Diagnose issues and problems with different makes & models of semi trucks
- Engine Rebuilds
- Head gaskets
- Overhead adjustments
- Transmission repair
- R&R Clutches
Education
Certificate - Diesel Mechanic
Central Arizona College
Coolidge, AZ05.2019
High School Diploma -
Evanston Township High School
01.2016
Skills
- Engine rebuilding
- Diesel diagnostics
- Transmission repair
- Attention to detail
- Problem solving
- Team collaboration
- Vehicle maintenance
- Hydraulics
- Brake repair
- Transmissions
- Service technician experience
- Dealership experience
- Analysis skills
- Customer service
- Organizational skills
- Communication skills
- Computer literacy
- Computer skills
- Time management
- Supervising experience
Languages
- English, Fluent
- Spanish, Expert
- Romanian, Fluent
- German, Intermediate
Timeline
Porsche Technician
Porsche Downtown Chicago
01.2025 - Current
Diesel Technician
Frightliner
06.2024 - 12.2024
Diesel Technician
FS Truck Repair
12.2019 - 05.2024
Diesel Technician
John Deere
08.2017 - 11.2019
Diesel Technician
FS Truck Repair
11.2013 - 07.2017
Certificate - Diesel Mechanic
Central Arizona College
High School Diploma -
Evanston Township High School