Mobile Fleet Technician

Job Duties

• 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.

Job Experience and Qualifications

• 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.

Workplace Rewards and 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

The W.W. Williams Companies, founded in Columbus, Ohio in 1912, is a diversified solutions provider with a broad portfolio of businesses located throughout the U.S. and Mexico. The company includes CT Power and Guaranteed Truck Service, offering a full range of 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, U.S. Military, and boat owners. W.W. Williams is committed to providing reliable service and strong relationships with its customers, investing in its team through world-class training and development opportunities.