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Diesel Mechanic Service Technician

ACTION Emergency Management
Lynn, MA Full Time
POSTED ON 6/7/2026
AVAILABLE BEFORE 8/6/2026

Action Emergency Management is seeking a highly skilled and experienced Fleet Diesel Truck & Automotive Mechanic to join our team. The ideal candidate will have a strong ability to handle both fleet maintenance and a wide range of customer vehicles mechanical needs. This position is responsible for keeping our fleet in top condition while also providing high-quality repairs to walk-in customer vehicles.

Generally, their responsibilities include:

1. Routine Maintenance

  • Oil Changes: Replace engine oil and oil filters.
  • Tire Services: Rotate, balance, and align tires; inspect for wear and tear.
  • Fluid Checks: Monitor and refill essential fluids such as coolant, brake fluid, transmission fluid, and power steering fluid.

2. Diagnostics

  • Troubleshooting: Use diagnostic tools and equipment to identify problems with the engine, transmission, or other systems.
  • System Tests: Perform tests on electrical, fuel, and exhaust systems to diagnose issues.

3. Repairs

  • Engine Repairs: Fix or replace faulty components like spark plugs, belts, and gaskets.
  • Transmission Work: Address issues with automatic or manual transmissions, including clutch repairs or replacements.
  • Brake Systems: Replace brake pads, rotors, and other components; diagnose and fix brake system issues.
  • Suspension Repairs: Repair or replace shocks, struts, and other suspension components.

4. Inspections

  • Pre-Purchase Inspections: Assess vehicles for potential buyers to identify any hidden problems.
  • Safety Inspections: Conduct safety checks to ensure vehicles meet legal and safety standards.
  • Emissions Testing: Test and repair emissions systems to comply with environmental regulations.

5. Customer Interaction

  • Consultation: Discuss vehicle issues with customers and explain repair needs and costs.
  • Estimates: Provide accurate cost estimates for repairs and parts.
  • Recommendations: Advise customers on necessary and preventative maintenance.

6. Record Keeping

  • Documentation: Maintain detailed records of repairs, services, and parts used.
  • Service Histories: Update and review service histories to track vehicle maintenance and repairs.

7. Tool and Equipment Maintenance

  • Tool Care: Regularly clean and maintain tools and equipment.
  • Inventory Management: Ensure a proper inventory of parts and tools; order replacements as needed.

8. Safety and Compliance

  • Safety Protocols: Follow safety procedures to prevent accidents and injuries.
  • Regulatory Compliance: Adhere to local, state, and federal regulations concerning vehicle repairs and environmental standards.

9. Continuing Education

  • Training: Stay updated on the latest automotive technologies and repair techniques.
  • Certifications: Obtain and renew certifications as required for specific types of work or vehicle brands.
  • and renew certifications as required for specific types of work or vehicle brands.

Additional Responsibilities:

  • Perform diagnostics, maintenance, and repairs on our fleet of diesel trucks and various customer vehicles.
  • Troubleshoot and resolve mechanical, electrical, and system issues for both fleet and customer vehicles.
  • Conduct routine preventative maintenance on fleet vehicles to minimize downtime and ensure efficiency.
  • Repair a wide variety of customer vehicles, from routine maintenance to complex mechanical problems.
  • Use advanced diagnostic equipment and tools to ensure repairs are done to the highest standards.
  • Maintain accurate records of all repairs, maintenance, and service work.
  • Work closely with team members to ensure repairs and maintenance are completed in a timely and efficient manner.
  • Provide excellent customer service by effectively communicating repair needs and updates to customers.
  • Ensure all work is completed in compliance with safety standards and regulations.

Qualifications:

  • Minimum 5 years of experience as a Diesel Truck & Automotive Master Mechanic.
  • Extensive experience in maintaining fleet diesel trucks and performing repairs on a variety of customer vehicles.
  • Full set of tools and diagnostic equipment.
  • Strong knowledge of diesel engine systems, automotive repairs, and diagnostics.
  • Excellent troubleshooting and problem-solving abilities.
  • Ability to work independently and manage multiple tasks.
  • Strong communication and customer service skills.
  • Valid driver’s license and reliable transportation.

Benefits:

  • Competitive salary based on experience
  • Health insurance options
  • Retirement plan options
  • Paid time off
  • Opportunities for continued education and professional growth

If you're a skilled and reliable mechanic with a passion for both fleet management and customer service, we'd love to have you join our team! Apply now to take the next step in your career.

Job Type: Full-time

Pay: $80,000.00 - $120,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee discount
  • Flexible schedule
  • Life insurance
  • Referral program
  • Retirement plan
  • Tuition reimbursement
  • Vision insurance

Work Location: In person

Salary : $80,000 - $120,000

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