Mobile Fleet Technician
W.W. Williams offers a career where you’ll perform on-site preventive maintenance, inspections, diagnostics, and repairs on diesel engines and heavy-duty trucks at customer locations. This role demands technical proficiency, a customer-first mindset, and the ability to work independently in various environments and weather conditions while ensuring compliance with DOT standards and internal repair quality expectations.
Responsibilities
- Perform quality repairs and preventive maintenance on diesel engines and heavy-duty trucks per manufacturer specifications.
- Conduct thorough vehicle inspections to identify damaged, worn, or broken parts.
- Create and execute job repair plans based on diagnostics, including estimating labor hours and required parts.
- Diagnose and repair electrical systems, A/C systems, emissions controls, and other diesel engine components.
- Complete PM services, DOT inspections, and documentation accurately and thoroughly.
- Use diagnostic software and follow electronic repair procedures.
- Maintain a clean and safe work area, both on customer sites and in the company vehicle.
- Maintain accurate records for invoicing and warranty claims.
- Utilize company tools appropriately and maintain a personal tool inventory per company policy.
- Support and train junior technicians as needed.
- Adhere to all safety, EPA, and company policies.
Requirements
- 3+ years of diesel repair experience; 5–7 years preferred in fleet, dealership, or mobile technician environments.
- Certificate from a technical school or equivalent hands-on experience.
- Valid Driver’s License.
- DOT Medical Card (or ability to obtain).
- ASE Certifications: T4 (Brakes), T7 (HVAC), T8 (PM).
- MACS 609 or equivalent mobile A/C certification.
- Strong diagnostic and troubleshooting skills across multiple systems (brake, emissions, electrical, HVAC).
- Familiarity with repair planning and parts reuse.
- Proficient in Microsoft Office and diagnostic software.
- Clear written and verbal communication.
- Ability to work in physically demanding environments.
Work Environment & Physical Demands
- Frequently exposed to moving mechanical parts, outdoor conditions, high temperatures, cold, humidity, and airborne particles.
- Regularly requires standing, walking, climbing, kneeling, and lifting up to 50 lbs.
Work is performed primarily on second shift and may require nights/weekends.
Benefits
- 8 Paid Holidays & 1 Paid Wellness Day.
- Paid time off.
- Employee Referral Bonus Program.
- Medical, Dental, and Vision Insurance.
- 401k with a Company Match.
- Company Paid Training.
- Growth and Leadership Opportunities.
About The Company
W.W. Williams was founded in Columbus, Ohio, in 1912. Today, the company operates a broad portfolio of businesses throughout the U.S. and Mexico, including CT Power and Guaranteed Truck Service. W.W. Williams provides industry-leading products and services such as diesel engines, transmissions, heavy-duty truck repair, transport refrigeration, power generation, and third-party supply chain logistics. Customers include on-highway truck fleets, off-highway equipment users, data centers, hospitals, Department of Defense OEMs, vehicle OEMs, the U.S. Military, and boat owners.
The company is dedicated to helping customers achieve maximum uptime through a team of genuine, honest, and passionate professionals. W.W. Williams invests in world-class training and development opportunities for its employees, fostering a welcoming, diverse, and inclusive environment with competitive wages and benefits.