JOHN DIAZ
Arlington,Texas
Summary
I am a highly skilled and results-driven professional with extensive experience in automotive diagnostics, fleet and equipment maintenance, consulting, and account management. I have over four and a half years as an Automotive Technician and nearly a year as a Service Coordinator, along with nearly five years in consulting. I specialize in preventive maintenance, heavy equipment servicing, project coordination, and managing client accounts to ensure satisfaction and operational efficiency. A graduate of the University of Toyota with multiple ASE certifications, I am committed to technical excellence, continuous professional development, and leveraging technology to streamline operations. I am highly proficient with computers, including fleet management software, data tracking, and digital reporting tools. Known for adaptability, problem-solving, and leadership, I have a proven track record of improving equipment reliability, reducing downtime, and delivering actionable solutions that drive business success.
Overview
10
10
years of professional experience
Work History
Service Coordinator
Conatser Site Services
02.2025 - Current
- Ensured all construction equipment received preventive maintenance at proper service intervals to maintain reliability, safety, and compliance.
- Ordered, tracked, and managed inventory of filters and maintenance parts required for scheduled Preventive Maintenance Services.
- Coordinated equipment parts deliveries to field mechanics and scheduled fuel deliveries to active job sites to prevent service interruptions.
- Maintained accurate, up-to-date equipment location logs within fleet management software.
- Dispatched, scheduled, and oversaw lube trucks and water trucks, ensuring timely and efficient job site support.
- Monitored equipment service status and communicated maintenance needs, delays, and priorities with mechanics, supervisors, and field crews.
- Assisted in planning maintenance schedules to align with job site demands and reduce equipment downtime.
- Verified completion of PM services and ensured service documentation was properly recorded.
- Supported troubleshooting efforts by coordinating parts, service resources, and logistics as issues arose.
- Adapted quickly to changing field conditions, job site priorities, and equipment needs while maintaining operational efficiency.
- Collaborated closely with field teams and supervisors to streamline operations and maximize equipment availability.
Service Truck Helper
Conatser Site Services
07.2024 - 02.2025
- Performed routine and preventive maintenance on a wide range of construction equipment, including Street Sweepers, D6 to D10 bulldozers, Excavators, and Tesmec Trenchers.
- Hands-on experience with equipment from major manufacturers such as John Deere, Caterpillar, Komatsu, and Tesmec.
- Skilled in greasing machinery, checking and maintaining fluid levels, tightening tracks, and replacing filters to ensure optimal performance and longevity.
- Proactively identified maintenance needs to minimize downtime and keep all equipment in safe, working condition.
- Demonstrated strong ever-growing knowledge of heavy equipment systems and a commitment to maintaining high operational standards.
- Collaborated with team members to maintain organized work areas, enhancing efficiency.
- Followed safety protocols consistently, minimizing risks on job sites.
- Promoted to Service Coordinator after 7 months due to strong technical skills, leadership, and reliability.
MSP Consultant
Porch Moving Group/Porch Inc.
10.2019 - 07.2024
- Independently managed and maintained professional relationships with over 1,000 moving companies nationwide, serving as a primary point of contact and trusted advisor.
- Maintained up-to-date knowledge of home-moving industry trends through ongoing professional development, including conferences, webinars, and industry networking events.
- Conducted risk assessments to identify operational, logistical, and market-related challenges, developing mitigation strategies to support successful project outcomes.
- Assisted in the development of sales proposals by scoping project requirements, defining service solutions, and estimating costs aligned with client needs.
- Translated complex business needs, challenges, and ideas into actionable strategies and implementation plans that drove measurable results.
Automotive Technician
Lonestar Toyota of Lewisville
02.2017 - 10.2019
- Obtained 'Expert Technician' rank through the University of Toyota.
- Diagnosed and repaired complex engine and overall vehicle malfunctions with systematic testing and thorough assessments.
- Provided superior service by communicating with customers about estimated charges and needed repairs.
- Completed service orders and repairs, detailing required work and parts.
- Adhered to established safety regulations and company requirements for personal protective equipment.
- Communicated diagnosis, labor requirements and cost estimates for automotive maintenance and repair work.
- Diagnosed complex mechanical issues using advanced diagnostic tools and equipment.
- Skillfully used hand tools, power tools, and specialized automotive equipment when performing repairs or installations.
- Continuously updated knowledge of new automotive technologies through attending training seminars and reading industry publications.
- Conducted thorough inspections to identify safety hazards and ensure vehicles met state regulations.
- Drained oil, replaced filters and replenished with customer specified oil formulas.
- Offered recommendations to clients about preventative maintenance services that could extend life of their vehicle.
- Collaborated with team members to efficiently complete large-scale projects such as engine rebuilds or transmission replacements.
- Provided exceptional customer service by listening attentively to concerns and ensuring timely completion of jobs.
- Pursued additional training to enhance skills and earn certifications.
Automotive Technician
Goodyear
01.2016 - 02.2017
- Received training/licensing for a Texas State Inspector License.
- Provided superior service by communicating with customers about estimated charges and needed repairs.
- Adhered to established safety regulations and company requirements for personal protective equipment.
- Diagnosed and repaired complex engine malfunctions with systematic testing and thorough assessments.
- Completed service orders detailing required work and parts.
- Evaluated vehicle systems through customer courtesy inspections.
- Replaced worn belts and hoses and refilled fluids.
- Pursued additional training to enhance skills and earn certifications.
Education
Expert Technician - Toyota Automotive
University of Toyota
Coppell, TX03.2018
High School - undefined
Lewisville High School
Lewisville, TX05.2016
Skills
Heavy Equipment & Fleet Skills
- Preventive Maintenance Planning & Scheduling (Heavy Equipment & Vehicles)
- Heavy Equipment & Vehicle Maintenance & Servicing
- Fleet Maintenance Coordination & Equipment Tracking
- Parts Ordering, Inventory Management & Logistics
- Fuel, Lube & Field Service Coordination
- Equipment Safety, Compliance & Operational Efficiency
- Mechanical Inspection, Troubleshooting & Quality Assurance
- Downtime Reduction & Risk Identification
Automotive & Technical Skills
- Engine, Powertrain & Transmission Diagnostics
- Suspension, Steering, Brake & Alignment Systems
- Electrical Systems & Automotive Electronics (Chassis, Body, Battery, Charging, Ignition)
- HVAC, Fuel, Emissions & Exhaust System Maintenance
- Drivability, Hybrid & Advanced Engine Performance Diagnostics
- Fluid Services & Mechanical Component Repair
Computer & IT Skills
- Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)
- Google Workspace (Docs, Sheets, Slides, Drive)
- Fleet/Equipment Management Software
- Email & Calendar Management, Data Entry & Reporting
- File Organization, Digital Recordkeeping & Basic IT Troubleshooting
Soft Skills & Leadership
- Fast & Accurate Typing
- Field Team, Mechanic Coordination & Employee Supervision
- Adaptability, Time Management & Problem Resolution
- Customer Service & Communication
LANGUAGE
English - Fluent
Spanish - Conversational
Timeline
Service Coordinator
Conatser Site Services
02.2025 - Current
Service Truck Helper
Conatser Site Services
07.2024 - 02.2025
MSP Consultant
Porch Moving Group/Porch Inc.
10.2019 - 07.2024
Automotive Technician
Lonestar Toyota of Lewisville
02.2017 - 10.2019
Automotive Technician
Goodyear
01.2016 - 02.2017
High School - undefined
Lewisville High School
Expert Technician - Toyota Automotive
University of Toyota