Diesel Mechanic

Patriot Disposal; Mount Airy (MD); On-site; USD 52,000 - 76,000; Full time

Benefits offered by this job

Bonuses

Paid time off

Holidays

PPE provided

Company gear

Job summary

Patriot Disposal in Mount Airy, MD is seeking a skilled Diesel Mechanic to keep our waste management fleet running at peak efficiency. You will diagnose, repair, and perform preventive maintenance on diesel engines and associated systems to minimize downtime.

The role requires hands-on expertise with heavy equipment, strong problem-solving skills, and the ability to work safely in varied weather and tight spaces. Join a fast-growing team committed to operational excellence.

Qualifications

• Experience as a diesel mechanic, ideally in waste management or truck fleets.
• Strong knowledge of diesel engines, hydraulics, electrical systems, and air brake systems.
• Experience with diagnostic tools and power/hand tools for repairs.
• High school diploma; further diesel tech training preferred.
• Ability to lift up to 70 lbs and work in varying weather and tight spaces.

Responsibilities

• Perform diagnostic tests, maintenance, and repairs on diesel-powered trucks and heavy equipment (rear-load, front-load, roll-off).
• Conduct routine inspections and preventive maintenance (engine checks, fluid changes, brakes, tires).
• Troubleshoot mechanical/electrical issues and replace worn parts (brakes, engines, hydraulics, transmissions, air systems).
• Ensure repairs meet safety standards and environmental regulations.
• Maintain accurate maintenance records (parts used, hours worked, services performed).
• Collaborate with other mechanics and supervisors to manage the fleet maintenance schedule.

Skills

Diesel engines

Diagnostics

Troubleshooting

Preventive maintenance

Electrical systems

Hydraulic systems

Air brake systems

Team collaboration

Problem-solving

Education

High school diploma

Technical training in diesel mechanics

Tools

Diagnostic tools

Hand tools

Power tools

Job description

Turn trash into opportunity — build a career that keeps communities running.

J&J Trash Service/Patriot Disposal/Apple Valley Waste is one of the fastest-growing waste and recycling companies in the Mid-Atlantic. As we are expanding rapidly, we’re building a high-performance team to support our continued growth across residential, commercial, and roll-off services.

We’re looking for a skilled Diesel Mechanic who takes pride in their work, solves problems fast, and knows what it takes to keep equipment running at its best.

If you’re someone who takes ownership, works with urgency, and wants to grow your skills and career with a company that’s scaling — this is your opportunity.

Job Description

In this role, you will be responsible for ensuring that our waste collection vehicles and heavy-duty equipment are maintained and running smoothly. You will perform a variety of mechanical tasks on diesel engines, including diagnostics, repair, and preventive maintenance to ensure our fleet operates at peak efficiency. This is a great opportunity for a motivated professional to join a growing company with long-term career potential.

Key Responsibilities

• Vehicle Maintenance: Perform diagnostic tests, maintenance, and repairs on diesel-powered waste management trucks and heavy equipment, including rear-load, front-load, and roll-off trucks.
• Preventive Care: Conduct routine inspections and preventative maintenance services, including engine checks, fluid changes, brake adjustments, and tire replacements.
• Repairs and Replacements: Troubleshoot mechanical and electrical issues and replace worn or damaged parts, such as brake systems, engines, hydraulics, transmissions, and air systems.
• Safety Compliance: Ensure that all repairs and maintenance activities adhere to safety standards, environmental regulations, and company protocols.
• Documentation: Maintain accurate records of all maintenance and repair activities, including parts used, hours worked, and services performed.
• Team Collaboration: Work closely with other mechanics and supervisors to prioritize repairs and efficiently manage the fleet maintenance schedule.

Qualifications & Requirements

• Experience: working as a diesel mechanic, preferably with waste management, heavy equipment, or truck fleets preferred.
• Technical Knowledge: Strong understanding of diesel engines, hydraulic systems, electrical systems, and air brake systems. Ability to troubleshoot complex mechanical issues.
• Tools and Equipment: Experience using diagnostic tools, mechanical hand tools, and power tools to complete repairs and maintenance tasks.
• Certifications: A valid CDL (Commercial Driver's License) is a plus.
• Education: High school diploma or equivalent required; additional technical training in diesel mechanics is preferred.
• Physical Requirements: Ability to lift up to 70lbs and perform tasks in varying weather conditions, including working in tight spaces and on heavy equipment.
• Attention to Detail: Strong organizational skills and the ability to track and manage multiple repair projects simultaneously.
• Problem-Solving: Ability to quickly diagnose and solve mechanical problems, ensuring minimal downtime and maximum vehicle availability.

Why Join Us?

This isn’t just another job — this is a chance to build, lead, and grow with a company that’s going places.

• Competitive salary + performance-based bonuses.
• Real career growth opportunities as we expand.
• Strong leadership team focused on operational excellence.
• Paid time off + holidays.
• Company-provided gear and PPE for operations jobs.

The Bottom Line

If you’re ready to take ownership, lead from the front, and make an impact in a fast-growing company, we want to talk to you.