Summary/Objective

We are seeking a skilled Fleet Mechanic - Diesel, Gas, and Small Engine to perform diagnostics, repairs, and preventative maintenance on a wide range of vehicles and equipment, including heavy-duty diesel trucks, gas-powered vehicles, and small engines. The ideal candidate will bring a strong mechanical background, solid safety practices, and a hands-on approach to ensuring the operational readiness, safety, and regulatory compliance of our fleet. This position plays a critical role in maintaining vehicle performance, reducing downtime, and supporting our field operations while ensuring adherence to FMCSA/DOT safety standards.

Key Responsibilities
Vehicle Maintenance & FMCSA Compliance

Inspect, diagnose, and repair diesel engines, gas-powered vehicles, and small engine equipment.
Perform routine preventive maintenance on trucks, pressure-washing equipment, and small engines.
Respond to driver-reported defects (DVIRs) and complete required repairs, certifying vehicles as safe and compliant.
Maintain brakes, steering, suspension, lighting, air systems, and drivetrain components in compliance with FMCSA/DOT safety regulations.
Use diagnostic software to interpret fault codes and perform repairs.
Perform welding and fabrication as needed to support vehicle maintenance.
Maintain accurate maintenance and repair records for DOT audits and inspections.

Repair Documentation & Workflow Management

Complete work orders and document repairs, parts usage, labor hours, and DVIR-related compliance tasks in fleet maintenance software.
Track and close DVIR-related repairs to ensure compliance and operational readiness.
Prioritize repair tasks based on operational needs while working independently.

Safety & Work Environment

Maintain a clean, organized, and OSHA-compliant workspace.
Follow all company repair procedures, safety policies, and equipment-handling guidelines.
Work safely with heavy equipment, power tools, and moving vehicles, indoors and outdoors, in varied weather conditions.
Maintain awareness of hazards when working under vehicles or in confined spaces.

Team Collaboration & Communication

Communicate repair status, maintenance needs, and safety concerns to operations management.
Assist or mentor junior mechanics when needed.
Collaborate with teammates to ensure timely and compliant fleet maintenance.

Core Competencies

Technical Aptitude
Mechanical Problem Solving
Attention to Detail
Accountability
Adaptability
Time Management
Communication (Verbal & Written)
Safety Awareness
Team Collaboration
Diagnostic Proficiency
Knowledge of vehicle safety standards
Self-Motivation

Supervisory Responsibility
This position has no supervisory responsibilities.

Work Environment
Work is performed in a fleet maintenance garage and outdoor environments. The role involves exposure to mechanical tools, power equipment, engine exhaust, and cleaning systems. May be required to work in varied weather conditions.

Physical Demands

Must be able to lift and carry parts and equipment in excess of 50 lbs.
Frequent standing, walking, climbing, bending, and working in tight or low-clearance areas.
Ability to work under vehicles or in awkward positions during repairs.
Must maintain awareness of surroundings and safety hazards.

Schedule and Availability

Full-time position
2:00 PM – 11:00 PM plus either Saturday or Sunday as part of the regular work schedule

Travel
Primarily onsite work with minimal local travel as needed to support operational needs.

Required Qualifications

2–3 years experience as a diesel or heavy equipment mechanic OR equivalent hands-on experience
Experience with oil changes, fluid maintenance, filters, belts, hoses, and basic brake work
Experience with gas engines and small engines (like pressure washers, generators, or light equipment)
Valid driver’s license with a clean driving record
High school diploma, GED, or equivalent
Ability to follow diagnostic procedures, interpret basic gauges and codes, and perform minor repairs
Strong attention to detail, reliability, and ability to work alongside senior technicians
Knowledge of FMCSA/DOT vehicle safety standards and compliance requirements

Preferred Qualifications

Post-secondary training or certification in mechanics
ASE Certification (current or previous)
609 Qualification (EPA Refrigerant Recovery Certification)
Class A or B Commercial Driver’s License
Exposure to medium/heavy truck drivetrain, suspension, or air brakes
Welding or fabrication experience

Compensation and Benefits

Annual salary range of $55,000–$78,000
Health Insurance options
401(k) Retirement Plan
Employees accrue paid sick leave as required by Illinois’ Paid Leave for All Workers Act (PLAWA). No additional PTO is provided.
Employees accrue paid vacation in accordance with company policy.

Company Description

Pressure Washing Systems Environmental, Inc. is the largest most diversified full-service pressure washing company in the Midwest offering a wide range of services to the Chicago Metropolitan area, Southern Wisconsin, Northwest Indiana, and Los Angeles California regions.

With over 20 years of experience in the pressure washing business, we have the knowledge and experience to handle any clean-up job successfully. With a fleet of over 40 totally self contained trucks PWS Environmental, Inc. has the ability to complete any cleaning project on time and within budget while always keeping the environment in mind.

We look forward to becoming a part of your team PWS Environmental, Inc. provides unparalleled service, competitive pricing, and unique comprehensive solutions for your cleaning needs. Through teamwork we can execute a variety of work, no matter the size of the job. PWS Environmental, Inc. is poised to help you develop an effective and cost-efficient solution to your cleaning needs; with our conscientious and professional staff, we will roll up our sleeves and do whatever it takes to get the job done.

We manage everything from the routine maintenance cleanings of national chains with thousands of locations, to the delicate restoration of a single historic landmark structure. At PWS, we realize that our company’s success depends on our customers’ satisfaction. We strive to exceed your expectations with our professionalism, pricing and the quality of our work.

Chicago Pressure Washing Systems

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Fleet Mechanic - Diesel, Gas, and Small Engine