ASE-Certified Fleet Mechanic – Diagnostics & Repairs

Tag-B Group; Washington (District of Columbia); On-site; USD 65,000 - 85,000; Full time

Benefits offered by this job

PTO & holidays

Health benefits

Diagnostic equipment

Training opportunities

Stable employment

Job summary

Tag‑B Transportation in the Washington, DC metropolitan area seeks a Certified Fleet Mechanic to keep our shuttle buses, passenger vans, and minibuses safe and ready for daily service. You will inspect, diagnose, and repair fleet vehicles, perform preventive maintenance, and troubleshoot gasoline and diesel engines, brakes, suspensions, HVAC, and electrical systems.

This full-time position requires at least three years of professional experience, ASE certification, a valid driver’s license, and

Qualifications

• At least three years of professional experience maintaining or repairing commercial vehicles.
• Strong working knowledge of gasoline and diesel engines.
• Demonstrated experience with brakes, suspension, steering, electrical systems, HVAC, and computer diagnostics.
• ASE certification in one or more applicable areas.
• Valid driver’s license with a safe driving record.
• Ability to diagnose mechanical problems independently and complete repairs correctly.
• Ability to maintain accurate service and inspection records.

Responsibilities

• Inspect, diagnose, maintain, and repair shuttle buses, passenger vans, minibuses, and larger commercial buses.
• Perform preventive maintenance, including oil changes, fluid services, filters, belts, hoses, brakes, tires, batteries, and scheduled inspections.
• Diagnose and repair gasoline and diesel engines, transmissions, steering, suspension, cooling, exhaust, and electrical systems.
• Troubleshoot electrical faults, warning lights, starting and charging systems, and vehicle-computer issues using professional diagnostic equipment.
• Service hydraulic brakes, air-brake systems, HVAC systems, wheelchair lifts, ramps, doors, and other passenger-accessibility equipment.
• Conduct DOT‑compliant inspections and ensure vehicles meet federal, state, local, and company safety requirements.
• Respond to roadside breakdowns and perform emergency repairs when required.
• Accurately document inspections, repairs, parts, labor, and preventive‑maintenance work in the company’s fleet‑management system.
• Identify recurring mechanical issues and recommend preventive or corrective action.
• Maintain a clean, safe, and organized maintenance facility.
• Coordinate with the Fleet Manager and operations team to prioritize repairs and minimize vehicle downtime.
• Assist with vendor repairs, warranty claims, parts ordering, and vehicle inspection preparation.

Skills

Diesel engines

Gasoline engines

Brake systems

Electrical systems

Suspension

Diagnostics

ASE certification

Valid driver’s license

Record-keeping

Physical ability

Tools

Diagnostic equipment

Job description

Tag‑B Transportation in the Washington, DC metropolitan area seeks a Certified Fleet Mechanic to keep our shuttle buses, passenger vans, and minibuses safe and ready for daily service. You will inspect, diagnose, and repair fleet vehicles, perform preventive maintenance, and troubleshoot gasoline and diesel engines, brakes, suspensions, HVAC, and electrical systems.

This full-time position requires at least three years of professional experience, ASE certification, a valid driver’s license, and