Diesel Mechanic

Job Description

Job Description

Company Overview

Fairfield, OH: Join Porta Kleen as a Diesel Mechanic and keep our fleet running strong. Earn $28–$34/hr performing diagnostics, repairs, and preventative maintenance with modern tools, strong benefits, and year-round stability.

We’re looking for a dependable Mechanic who takes pride in maintaining and repairing diesel-powered vehicles and specialized equipment that support Porta Kleen field operations. This role performs inspections, diagnostics, and repairs to ensure fleet reliability, safety, and performance while supporting shop efficiency and mentoring junior technicians.

• Mechanical expertise – Hands-on experience diagnosing and repairing diesel engines, driveline systems, and fleet equipment.
• Problem-solving mindset – Ability to troubleshoot mechanical and electrical issues and determine effective repair solutions.
• Accountability and independence – Comfortable working with minimal supervision while maintaining high standards for safety and workmanship.
• Team-oriented leadership – Willingness to support shop operations by mentoring junior technicians and sharing technical knowledge.

• Perform preventative maintenance and post-trip inspections on Porta Kleen fleet vehicles to identify service needs before failures occur.
• Diagnose mechanical, electrical, and driveline issues using testing tools and repair procedures to restore equipment to safe operation.
• Repair and replace major components including tires, brakes, clutches, and related systems that affect vehicle performance and reliability.
• Complete engine overhauls and major driveline repairs while following manufacturer and shop repair standards.
• Inspect and service specialized equipment and bolt-on components used in sanitation and field service operations.
• Maintain accurate service documentation and communicate equipment status and repair needs with supervisors.
• Mentor junior mechanics by sharing best practices, assisting with repairs, and supporting overall shop productivity.

• High school diploma or GED required; technical school training in diesel technology or mechanical repair preferred.
• 4–5 years of diesel mechanic or fleet maintenance experience required; 5+ years preferred.
• Valid driver’s license required with the ability to drive company vehicles, respond to service calls, and travel between service locations as needed.
• Experience working with heavy equipment, commercial vehicles, or service fleets in an industrial or maintenance environment.
• Ability to lift and carry 50–75 lbs, perform bending, kneeling, and reaching, and work on equipment at ground level or elevated positions. Must be able to stand and walk for extended periods during 8–10 hour shifts and work in shop environments with noise, grease, vibration, and occasional outdoor weather exposure.

• Competitive pay based on experience and certifications
• Medical, dental, and vision coverage
• 401(k) with company match
• Generous time off and floating holidays
• Volunteer Time Off (VTO) to support causes in your community
• Employee referral bonus program – earn up to $2,000
• Wellness benefits that support your physical and mental well-being
• Clean, organized shop environment
• Modern diagnostic tools and well-maintained equipment
• Opportunities for training, certifications, and skill development
• Stable, year-round work with a supportive team

You take pride in your work and believe the job should be done right the first time.

You’re the kind of mechanic who looks beyond the quick fix. You want to understand what caused the issue and make sure equipment leaves the shop better than it arrived. You appreciate a clean workspace, reliable tools, and the satisfaction of solving tough problems.

You’ll fit right in if you are:
- Motivated by doing quality work
- Safety-focused and detail-oriented
- Someone who takes ownership of their repairs
- Reliable and accountable
- A team player who supports coworkers when needed
- Always looking to improve your skills and knowledge

Here, mechanics are trusted professionals whose work helps keep operations running safely and efficiently every day.