Mobile Fleet Technician

Pho Prime, LLC; Portland (ME); On-site; USD 85,962,240 - 143,270,400; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k with company match

Paid time off

Job summary

Pho Prime, LLC is seeking a Mobile Fleet Technician to service diesel engines and heavy-duty trucks at customer sites. You will perform preventive maintenance, diagnostics, and repairs per manufacturer specs, ensuring safety and DOT compliance.

This role requires 3+ years of diesel repair, ASE/MACS certifications, a valid CDL and DOT card, and the ability to work evenings or weekends in variable weather. Competitive hourly pay and benefits offered.

Qualifications

• 3+ years of diesel repair experience.
• 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.

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 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.

Skills

Diesel repair

Diagnostics

ASE T4 Brakes

ASE T7 HVAC

ASE T8 PM

DOT compliance

Repair planning

Microsoft Office

MACS 609

Communication

Education

Technical school certificate

Tools

Diagnostic software

Job description

Compensation $30.00 - $50.00/hour

Schedule Full time

Job Type Permanent

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. The 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

• 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 includes 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

• 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