Fleet Maintenance Supervisor, Heavy Trucks

Preferred Skills, Experience and License: Minimum of two years of experience as a supervisor or lead technician; five years of hands-on experience with heavy-duty truck maintenance. In-depth knowledge of heavy truck systems: hydraulic, air brake, electric-over-hydraulic, and CNG engines. Proficiency with diagnostic software (OEM-specific and aftermarket). Familiarity with DOT inspections, FMCSA regulations, and PM compliance. Working knowledge of welding, fabrication, and electrical systems is a plus. Experience in the refuse or sanitation industry strongly preferred. Valid driver's license; CDL is a plus.

Preferred Education and Certifications: Degree in Diesel Mechanics or Automotive Technology a plus. Technical Certifications a plus, including: ASE in medium/heavy trucks (T-Series), particularly, T2 (Diesel Engines), T4 (Brakes), and T6 (Electrical/Electronic Systems). CNG fuel system safety; EPA 608/609 refrigerant handling; OSHA 10, OSHA 30.

I. Job Summary

Supervises and provides direct leadership for technicians and mechanics. Manages workflow and assigns tasks.

II. Essential Duties and Responsibilities
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. Other minor duties may be assigned.

• Oversees the day-to-day operations of employees in the maintenance shop, including mechanics, technicians, welders, container maintenance and support staff.
• Coordinates and supervises all maintenance work and repairs of refuse collection vehicles, roll-off trucks, automated side loaders and related equipment; monitors progress and quality.
• Reviews driver repairs and other maintenance requests; prepares work order documents.
• Monitors inventory of replacement parts and restocks as needed.
• Oversees personnel, provides coaching, training, mentorship, and technical guidance. Evaluates employee performance, conducts reviews and disciplinary action as needed. Provides input into termination, compensation, and promotion decisions.
• Interprets and ensures consistent application of organizational policies and safety regulations.
• Performs mechanical duties as needed. Diagnoses and resolves issues involving complex systems including:
  • Hydraulic and pneumatic systems used for lift arms and compactors.
  • Air brake systems and associated safety components.
  • Electric-over-hydraulic control systems for automated functions.
  • Compressed Natural Gas (CNG) engines and associated fuel systems.
• Creates and submits reports as necessary. Maintains detailed service records, inspections, and compliance documentation in accordance with DOT, EPA, OSHA, and company standards.
• Implements and monitors preventive maintenance schedules and work orders to maximize uptime and extend vehicle lifecycle.
• Coordinates with operations to prioritize fleet availability and minimize disruption to service routes.
• Ensures adherence to safety protocols and environmental regulations for hazardous materials, fuel handling, and shop safety.
• Maintains parts inventory and initiate procurement of tools, equipment, and vehicle components.
• Utilizes fleet management software and diagnostic tools for tracking, reporting, and decision-making.
• Participates in budget planning and control maintenance expenses while achieving operational targets.

III. Supervisory Responsibilities
The highest level of supervisory skills required in this job is the management of non-supervisory employees. This includes:

• Direct supervision of, approximately, 28 full-time employees including: mechanics, technicians, welders, container maintenance staff and clerks.

IV. Qualifications
The requirements listed below are representative of the qualifications necessary to perform the job.

A. Education and Experience

• Education: High School Diploma or GED (accredited)
• Experience: Four (4) years of relevant work experience.

B. Certificates, Licenses, Registrations or Other Requirements

• None required.

C. Other Knowledge, Skills or Abilities Required

• Maintenance and repairs skills, and supervisory experience may be required.

V. Work Environment
Listed below are key points regarding environmental demands and work environment of the job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

Primarily shop-based with regular exposure to outdoor elements. May require frequent walking, standing, bending, lifting up to 75 lbs. Exposure to noise, grease, fumes, and potentially hazardous substances.

Benefits
At WM, each eligible employee receives a competitive total compensation package including Medical, Dental, Vision, Life Insurance and Short Term Disability. As well as a Stock Purchase Plan, Company match on 401K, and more! Our employees also receive Paid Vacation, Holidays, and Personal Days. Please note that benefits may vary by site.

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