Diesel Mechanic

Job Description

Job Description

Fairfield, OH: Join Porta Kleen as a Diesel Mechanic and keep our fleet running strong. Earn $35-$40/hr performing diagnostics, repairs, and preventative maintenance with modern tools, strong benefits, and year-round stability. #portakleenE

We’re looking for a dependable Diesel Mechanic who takes pride in maintaining and repairing diesel-powered vehicles and specialized equipment that support Porta Kleen field operations. This role ensures fleet reliability, safety, and performance through quality diagnostics, repairs, and preventative maintenance while contributing to overall shop efficiency.

What You’ll Bring

• Mechanical expertise – Strong hands-on experience diagnosing and repairing diesel engines, driveline systems, and fleet equipment.
• Problem-solving mindset – Ability to troubleshoot mechanical and electrical issues and apply effective, timely repair solutions.
• Accountability and independence – Works efficiently with minimal supervision while maintaining high standards for safety and workmanship.
• Team-oriented support – Willingness to mentor junior technicians and contribute to a productive, collaborative shop environment.

What You’ll Do

• Perform preventative maintenance and inspections
• Identify service needs early to reduce downtime and extend equipment life.
• Diagnose mechanical and electrical issues
• Use testing tools and procedures to restore vehicles to safe, reliable operation.
• Repair and replace critical components
• Service brakes, tires, clutches, and related systems impacting performance.
• Complete major repairs and overhauls
• Execute engine and driveline work following manufacturer and shop standards.
• Service specialized sanitation equipment
• Inspect and maintain bolt-on systems used in Porta Kleen operations.
• Maintain service records and communication
• Document repairs accurately and report equipment status to supervisors.
• Support shop productivity and team development
• Assist and guide junior mechanics to improve overall efficiency and quality.

What You’ll Need

• High school diploma or GED required; technical 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 operate company vehicles and travel between service locations.
• Experience working with commercial vehicles, heavy equipment, or service fleets in industrial or maintenance settings.
• Ability to lift and carry 50–75 lbs; perform frequent bending, kneeling, and reaching; and work at ground level or elevated positions. Must stand and walk for extended periods (8–10 hour shifts) and work in shop environments with noise, vibration, grease, and outdoor weather exposure as needed.

Benefits and Perks

• Competitive pay based on experience and certifications
• Medical, dental, and vision coverage
• 401(k) with company match
• Time off and floating holidays
• Volunteer Time Off (VTO) to support causes in your community
• Employee referral bonus program
• Wellness benefits that support your physical and mental well-being
• Company-provided uniforms and safety gear
• 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

Who Thrives Here

You take pride in your work and believe the job should be done right the first time, looking beyond quick fixes to understand root causes and ensure equipment leaves the shop better than it arrived, while appreciating 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.