Diesel Truck Technician – Field Service

Mobile Fleet Technician Opportunity Summary :

The Mobile Fleet Technician is responsible for performing 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. The technician will ensure compliance with DOT standards and internal repair quality expectations.

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.
• Adhere to all safety, EPA, and company policies.

Work Experience and Qualifications :

Experience : 3+ years of diesel repair experience; 5–7 years preferred in fleet, dealership, or mobile technician environments.

Education : Certificate from a technical school or equivalent hands-on experience.

Certifications (preferred or required) :

Skills :

Work Environment & Physical Demansds :

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.

Employee Rewards and Benefits :

About the Company :

W.W. Williams was founded in Columbus, Ohio, in 1912. Today The W.W. Williams Companies has a broad portfolio of businesses located throughout the U.S. and Mexico. Under the long-standing brand, W.W. Williams Companies comprise one of the nation's largest sales and service providers of industrial power products with an extensive network of 44 facilities employing more than 515 service technicians. It offers service and repair, OEM product sales, and supply chain management solutions. Its products and service offerings include diesel engines, transmissions, bumper-to-bumper truck repair, transport refrigeration, power generation systems, and supply chain logistics services.

When you join the W.W. Williams team, you become part of a company that impacts millions of Americans daily. As a leader in the transportation service, repair, and parts industry, W.W. Williams offers flexibility and tailored solutions for your transportation repair needs. Our mission is to be the trusted provider of innovative, timely solutions that surpass your expectations.

Join us for a career where you'll grow personally and professionally in a welcoming, diverse, and inclusive environment.

Competitive wages and benefits. EOE / AAP / M / F / Vets / Disabled, DFWP.