Mario Lozano
San Antonio,TX
Summary
Experienced Service Mechanic specializing in diagnostic testing and engine repair. Led teams in diagnosing and resolving mechanical issues, enhancing workflows and team performance. Trained junior mechanics, resulting in increased efficiency and customer satisfaction.
Overview
8
8
years of professional experience
Work History
Service Mechanic
MobilityWorks
selma, tx
12.2025 - 08.2026
- Executed daily responsibilities, ensuring precision in service delivery and equipment maintenance.
- Enhanced customer satisfaction by delivering knowledgeable and friendly service.
- Collaborated with diverse colleagues to achieve goals and resolve product-related issues.
- Collaborated with team members to meet project objectives and maintain adherence to deadlines.
- Introduced innovative ideas that enhanced team collaboration and improved overall project results.
- Maintained updated knowledge through continuing education and advanced training.
- Utilized various software and tools to streamline processes and optimize performance.
- Achieved cost-savings by developing functional solutions to problems.
mechanic
Jakies Auto Clinic
San Antonio, Texas
10.2024 - 11.2025
- Repaired brakes, engines, and transmissions for various vehicle models.
- Inspected, serviced, and repaired brakes, exhaust systems, transmissions, engines, suspension systems, drive trains, and fuel systems.
- Diagnosed mechanical problems on a wide variety of vehicles using specialized tools and equipment.
- Diagnosed vehicle issues using diagnostic tools and equipment.
- Utilized computer diagnostic equipment to troubleshoot electrical issues in vehicles.
- Replaced faulty wiring harnesses in order to restore proper functioning of electrical systems.
- Tested components with appropriate instruments to ensure proper operation.
- Utilized manual and power tools effectively for automotive repairs.
- Followed safety protocols to minimize risks during repairs and maintenance tasks.
- Collaborated with team members to ensure efficient workflow in the shop.
- Supported team members during intricate vehicle repairs by providing assistance and sharing expertise.
- Assisted customers by explaining service recommendations clearly and professionally.
- Identified additional needed repairs by conducting visual inspections of the vehicle's interior and exterior.
- Installed new or rebuilt engines into vehicles following manufacturers' instructions for installation procedures.
- Explained technical diagnoses and needed repairs to non-mechanical individuals who lack technical knowledge.
- Estimated costs of vehicle repair.
Lead Field Mechanic
wrench inc
San Antonio, Texas
10.2018 - 08.2024
- Led a team of mechanics to execute maintenance schedules effectively.
- Performed maintenance, troubleshooting, and repair of mechanical systems on a variety of equipment.
- Diagnosed mechanical issues in field equipment for timely repairs.
- Utilized diagnostic tools to troubleshoot equipment malfunctions accurately.
- Diagnosed electrical and mechanical failures using test instruments such as voltmeters and ammeters.
- Tested repaired items to ensure they are functioning correctly before returning them to service.
- Repaired hydraulic components, including cylinders, pumps, motors, valves, and hoses.
- Conducted inspections to ensure compliance with operational standards.
- Engaged in troubleshooting of machinery malfunctions through use of testing instruments and observation of defective equipment, listening and visually analyzing for sources of problems.
- Conducted preventative maintenance inspections on fleet vehicles and heavy machinery.
- Collaborated with project managers to prioritize repair tasks and timelines.
- Implemented process improvements to enhance workflow efficiency in repairs.
- Trained junior mechanics on safety protocols and repair techniques.
- Instructed apprentices on proper use of tools and techniques used to diagnose problems.
- Utilized computerized diagnostic software to identify faults within vehicle systems.
- Provided technical guidance to other mechanics in resolving complex problems.
- Developed and maintained good working relationships with customers and co-workers.
- Communicated effectively with technicians at other locations concerning any potential issues that may arise.
- Coordinated with vendors for parts availability and delivery schedules.
- Replaced worn or damaged parts using hand tools or power tools.
- Adjusted and repaired systems to meet manufacturers' performance specifications.
Education
GED -
Southside High School
San Antonio, TX06-2004
Skills
- Engine repair
- Brake servicing
- Suspension systems maintenance
- Electrical troubleshooting
- Diagnostic testing
- HVAC system service
- Pneumatic systems
- Equipment maintenance
- Computerized diagnostic tools
- Schematic reading
- Inspecting vehicles
- Parts ordering
- Repair quotes
- Ticket writing
- Training junior mechanics
- Problem solving
- Workflow optimization
- Attention to detail
- Time management
- Effective communication
- Client relationship management
- Inspecting vehicles
Timeline
Service Mechanic
MobilityWorks
12.2025 - 08.2026
mechanic
Jakies Auto Clinic
10.2024 - 11.2025
Lead Field Mechanic
wrench inc
10.2018 - 08.2024
GED -
Southside High School