Heavy-Duty Diesel Fleet Maintenance & Inspection Specialist

Billor; Jacksonville (FL); On-site; USD 45,000 - 60,000; Full time

Job summary

Billor seeks a skilled Fleet Mechanical Specialist to support the daily inspections and preventive maintenance of our Class 8 fleet. You will inspect critical components, identify issues, and ensure repairs meet standards before return to service.

You will act as a technical resource for Fleet Management, validate repairs, monitor maintenance, and collaborate with internal teams and external vendors. Occasional visits to partner repair facilities are expected.

Responsibilities

• Daily Class 8 Truck Inspections: Perform daily and scheduled mechanical inspections of Class 8 trucks, including pre-delivery, post-repair, return-to-service, and general condition inspections.
• Inspect critical heavy-duty components such as diesel engine, aftertreatment, transmission, brakes, tires and wheels, suspension, steering, electrical systems, air systems, cooling system, fuel system, fifth wheel, lighting, fluids and leaks.
• Identify mechanical and safety issues before breakdowns, downtime or DOT violations, and provide technical recommendations for corrective action.
• Preventive maintenance: monitor schedules based on mileage, hours, and manufacturer specs; identify recurring failures and trends; maintain inspection standards and records.
• Vendor & maintenance shop oversight: visit partner repair facilities, validate necessity of repairs, review estimates, inspect completed work.
• Quality control & return-to-service: act as independent QC layer to ensure repairs are correct, documented, and trucks are returned to service properly.
• DOT & safety compliance: perform inspections per DOT/FMCSA requirements and ensure deficiencies are corrected.

Job description

About Us

Trucking moves the American economy. It is a $1 trillion market, and it still runs on fragmented operations, thin margins, and technology a generation behind. Billor, short for "Bill of Rights," is the only company transforming this market end to end, combining Freight and Technology for Truck Drivers, Freight Brokers, and Small Carriers into a single ecosystem. We operate a fleet of several hundred heavy-duty trucks and run integrated business lines across freight, fintech, and technology platforms.

About the role

This position will support the mechanical inspection, preventive maintenance, quality control, and overall mechanical management of our Class 8 fleet.

The specialist will serve as a technical resource for Fleet Management and will be responsible for identifying mechanical issues, validating repairs, inspecting trucks, monitoring preventive maintenance, and providing technical oversight of work performed by internal teams and external maintenance vendors.

The specialist will also visit partner repair facilities to validate repair recommendations, repair approvals, parts, labor, and completed services.

Responsibilities

Daily Class 8 Truck Inspections

• Perform daily and scheduled mechanical inspections of Class 8 trucks.
  Conduct pre-delivery, post-repair, return-to-service, and general condition inspections.
• Inspect critical heavy-duty components, including:
• Diesel engine
• Aftertreatment system
• Transmission
• Brakes
• Tires and wheels
• Suspension
• Steering
• Electrical systems
• Air systems
• Cooling system
• Fuel system
• Fifth wheel
• Lighting
• Fluid levels and leaks
• Other safety-critical components
• Identify mechanical and safety issues before they result in breakdowns, downtime, or DOT violations.
• Provide technical recommendations for corrective action.

Preventive Maintenance

• Monitor preventive maintenance schedules based on mileage, engine hours, manufacturer specifications, and fleet requirements.
• Identify recurring mechanical failures and maintenance trends.
• Establish and maintain inspection standards for Class 8 equipment.
• Monitor critical components and recommend repairs before failures occur.
• Support a proactive maintenance strategy designed to reduce roadside breakdowns and unplanned
• downtime.
• Maintenance Documentation & Systems
• Maintain accurate inspection and maintenance records using the designated fleet and maintenance management platforms.
• Document defects, photographs, recommendations, repairs, and final inspection results.
• Ensure all inspections are completed consistently and accurately.
• Maintain a complete mechanical history for each truck.
• Use available maintenance data to identify recurring failures and opportunities for preventive action.
• Support the implementation and standardization of the maintenance platforms and processes as they are defined by the company.

Vendor & Maintenance Shop Oversight

• Visit partner heavy-duty truck repair facilities where company trucks are serviced.
• Conduct on-site inspections of trucks undergoing maintenance and repairs.
• Validate that proposed repairs are technically necessary and properly justified.
• Review repair estimates and identify unnecessary, excessive, or questionable repairs before approval.
• Validate parts, labor, and services against the approved scope of work.
• Inspect completed repairs before the truck is released whenever applicable.
• Identify recurring quality issues with specific vendors.
• Document findings with photographs, inspection reports, and notes.
• Provide management with technical recommendations regarding vendor performance and repair approvals.

Quality Control & Return-to-Service

• The specialist will provide an independent technical quality-control layer between the repair facility and Fleet Management.
• Identify Issue → Document Issue → Evaluate Repair → Approve Repair → Monitor Repair → Verify
• Completion → Final Inspection → Release Truck
• The goal is to ensure that trucks are not simply repaired, but that repairs are technically correct, properly documented, and completed to the required standard before the truck returns to service.

DOT & Safety Compliance

• Perform inspections in accordance with applicable DOT/FMCSA requirements.
• Identify conditions that could create safety or compliance violations.
• Ensure mechanical deficiencies are properly documented and corrected.
• Support internal inspection standards that meet or exceed applicable regulatory requirements.