Diesel Bus Mechanic (All levels)
Big Bus Tours Los Angeles · San Fernando, California · Posted Jun 23, 2026
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Job Details
Level I, II, & III Diesel Bus Mechanic
Location: San Fernando, CA 91340
Job Type: Full-Time
Pay: $28.00 – $38.00 per hour (DOE)
Position Overview
Big Bus Tours Los Angeles is the world's leading open-top sightseeing tour company, providing unforgettable experiences to millions of guests annually. We operate a diverse fleet of sightseeing vehicles throughout Los Angeles, including double-decker buses, Mercedes Sprinter vans, and Ford F-550 vehicles.
We are seeking motivated and experienced Level I, II, and III Diesel Mechanics to join our growing engineering team. This position offers the opportunity to work on a unique fleet while developing your skills in diagnostics, preventive maintenance, and vehicle repair.
Weekend availability is required.
Essential Duties & Responsibilities
Preventive Maintenance
- Perform scheduled preventive maintenance services
- Conduct lubrication, fluid changes, and filter replacements
- Complete maintenance records and repair documentation accurately
DOT Inspections
- Perform and document 45-Day DOT inspections
- Ensure fleet compliance with DOT, FMCSA, and company standards
- Identify and correct safety-related defects
Diagnostics & Troubleshooting
- Diagnose mechanical, electrical, hydraulic, pneumatic, and electronic issues
- Utilize diagnostic software, scan tools, and schematics
- Troubleshoot engine, transmission, brake, HVAC, and electrical systems
Repair & Component Replacement
- Repair and replace:
- Diesel engines
- Automatic transmissions
- Air brake systems
- Steering and suspension components
- Cooling systems
- Hoses and belts
- Air conditioning and HVAC systems
- Electrical wiring and electronic control systems
- Charging and starting systems
Safety & Compliance
- Maintain a safe and organized work environment
- Follow OSHA, DOT, EPA, and company safety standards
- Properly handle and dispose of hazardous materials
Road Calls
- Respond to road service calls as needed
- Diagnose and repair vehicles in the field
- Coordinate vehicle recovery when required
Shop Operations
- Maintain tools and equipment
- Assist with parts inventory and tracking
- Support team members and cross-train as needed
Knowledge & Skills
- Ability to read and speak English
- Technical knowledge of major vehicle systems and diesel equipment
- Ability to confidently read and interpret electrical schematics
- Understanding of electrical circuits
- Knowledge of air and hydraulic brake systems, including troubleshooting and repair
- Knowledge of suspension and steering systems, including troubleshooting and repair
- Computer skills for basic data entry into databases
- Ability to use computers and diagnostic tools to diagnose vehicle systems
- Strong understanding and ability to use hand and power tools
- Ability to troubleshoot and problem-solve with patience and attention to detail
- Strong analytical, electronic, and mathematical skills
Working Conditions
Environmental Considerations
- Exposure to constant or intermittent noise levels that may cause fatigue or potential hearing loss
- Exposure to high and low temperatures that may cause significant body discomfort
- Exposure to dust, fumes, vapors, and mists that could affect occupational health
Physical Considerations
- Exposure to whole-body vibrations during the work shift
- Work performed inside various types of vehicles and equipment during repairs
- Occasional exposure to hazardous equipment, situations, and conditions
- Work performed in various lighting conditions ranging from dim to bright
- Ability to stand for extended periods or work in awkward positions when repairing equipment
- Occasional climbing to reach elevated parts of vehicles or equipment
- Ability to lift, carry, push, or pull up to 80 lbs
Qualifications
- High School Diploma or GED equivalent required
- Minimum of 1-5+ years of experience as a heavy diesel mechanic/technician, preferably with experience working on buses
- Trade school, ASE certification, mechanical training, or equivalent experience is highly preferred
- Technical knowledge of major vehicle systems and diesel equipment is required
- D.O.T. inspection experience required
- Valid driver's license with a clean driving record required
- CDL preferred but not required
- Ability to work a flexible schedule including weekends
Minimum Requirements
- 1+ year of hands-on diesel mechanic experience
- Valid Driver's License with clean driving history
- Ability to pass pre-employment screening
- Ability to work weekends and flexible schedules
- Strong commitment to safety and quality workmanship
Preferred Qualifications
- Commercial Driver's License (CDL) preferred for Level II and III positions
- ASE Certifications
- Experience working on heavy-duty diesel vehicles
- Experience with electrical diagnostics and multiplex systems
- Air brake certification or equivalent experience
Compensation:
$28.00 – $38.00 per hour…