Part-Time Fleet Mechanic

Nvntori; Houston (TX); On-site; USD 25,000 - 41,000; Part time

Job summary

nVntori is seeking a Part-Time Fleet Mechanic in Houston to maintain the operational readiness and safety of trucks, trailers, and yard equipment. The role focuses on preventative maintenance, inspections, and minor-to-intermediate repairs, with an emphasis on reliability and downtime reduction.

The ideal candidate will perform routine inspections, servicing, and inventory control of maintenance supplies while documenting fleet conditions and repair recommendations to support fleet planning and

Qualifications

• High school diploma or equivalent is required.
• Minimum 2 years of mechanical/fleet maintenance experience preferred.
• Valid driver's license required; CDL is preferred but not required.

Responsibilities

• Inspect and maintain trucks, trailers, container chassis, and yard mules.
• Perform preventative maintenance: oil changes, coolant, lubrication, tires, batteries.
• Inspect suspension, steering, braking, drivetrain, electrical, and lighting systems.
• Perform brake inspections and routine wear component replacements.
• Inspect air brake and pneumatic systems for leaks and wear.
• Replace lights, wiring, reflectors, and other wear components as needed.
• Maintain fifth wheel assemblies, landing gear, doors, hinges, and locks.
• Document vehicle conditions and maintenance actions for planning and compliance.
• Coordinate with external vendors for specialized repairs when needed.
• Support DOT inspections and regulatory readiness.

Skills

Class 8 tractors knowledge

Diagnose mechanical/electrical issues

Preventative maintenance understanding

Operate hand/power tools safely

Detail-oriented inspections

Independent work

Communicate with ops/drivers

Education

High school diploma or equivalent

2+ years fleet maintenance experience

Valid driver’s license

CDL preferred but not required

Tools

Diagnostic tools

Shop equipment

Jacks and lifting equipment

Job description

nVntori is a growth-focused transportation and logistics company built on execution, accountability, and operational discipline. We are actively scaling our truckload operations across OTR, drayage, and specialized freight, with a focus on building a reliable and high-performance network.

Our 2026 strategy, truNorth, defines how we operate. It emphasizes ownership, speed, clarity, and continuous improvement. As an emerging and rapidly developing organization, we are creating systems and processes that are designed to scale, supported by individuals who take responsibility for results and contribute to building a stronger operation over time.

Position Overview

The Part-Time Fleet Mechanic is responsible for maintaining the operational readiness, safety, and reliability of nVntori's transportation assets, including trucks, trailers, container chassis, and yard mules.

This role serves as the primary resource for routine inspections, preventative maintenance, minor repairs, and inventory control of maintenance supplies. The mechanic is expected to proactively identify issues, perform corrective work within the defined scope of the position, and maintain accurate records of fleet conditions to minimize downtime and support safe operations.

This position focuses on preventative maintenance, inspections, routine service, and minor to intermediate repairs. The role does not include major engine rebuilds, transmission overhauls, glass replacement, collision repair, structural repairs, or major body and paint work.

Core Responsibilities

• Conduct routine surveys and inspections of trucks, trailers, container chassis, and yard mules to identify maintenance needs, safety concerns, and operational deficiencies
• Perform preventative maintenance activities including oil top-offs and changes, coolant management, lubrication and greasing, tire inflation, tread depth measurements, battery inspections, and fluid level monitoring
• Inspect and maintain suspension, steering, braking, drivetrain, electrical, and lighting systems within the scope of minor and intermediate repairs
• Perform brake inspections, adjustments, and replacement of routine wear components as required
• Inspect air brake and pneumatic systems for leaks, wear, and operational deficiencies
• Perform replacement and repair of lights, wiring connections, reflectors, mud flaps, mirrors, hoses, fittings, and other wear components as needed
• Inspect, lubricate, and maintain fifth wheel assemblies, landing gear systems, trailer doors, hinges, and locking mechanisms
• Conduct wheel-end, hub seal, and bearing visual inspections and report deficiencies requiring advanced repair
• Perform battery load testing, terminal cleaning, and charging system inspections
• Perform minor interior and exterior repairs including seat repairs, trim replacement, door hardware adjustments, and light body work
• Prepare equipment for DOT inspections and support compliance readiness across all fleet assets
• Document vehicle conditions, maintenance actions, inspection findings, and repair recommendations to support fleet planning and regulatory compliance
• Identify maintenance issues requiring external vendors or specialized repair services and communicate recommendations promptly
• Coordinate emergency roadside maintenance support and repair vendors when equipment issues occur outside company facilities
• Ensure all vehicles and equipment remain compliant with company safety standards and operational requirements
• Maintain organized maintenance work areas and ensure proper handling of tools, materials, and equipment
• Monitor inventory levels for maintenance parts, fluids, consumables, tires, lighting components, filters, shop supplies, and other fleet maintenance materials
• Replenish and coordinate ordering of maintenance inventory to maintain appropriate stock levels and reduce operational disruption
• Support preparation of assets for driver use, customer service commitments, and operational readiness
• Escalate significant equipment concerns early with clear, solution-oriented communication
• Execute maintenance workflows in accordance with established procedures while identifying opportunities to improve fleet reliability and reduce operating costs

Required Skills and Competencies

• Strong mechanical knowledge of Class 8 tractors, trailers, container chassis, and yard mule equipment
• Ability to diagnose and address routine mechanical, electrical, and operational issues
• Understanding of preventative maintenance programs and inspection procedures
• Familiarity with suspension, steering, braking, drivetrain, and lighting systems
• Ability to safely operate hand tools, power tools, jacks, and shop equipment
• Strong attention to detail when inspecting assets and documenting findings
• Ability to work independently with limited supervision
• Clear and direct communication with operations, drivers, and management
• Strong organizational skills and inventory management capability
• Commitment to safety, reliability, and quality workmanship
• Ability to prioritize maintenance activities based on operational needs

Education and Experience Requirement

• High school diploma or equivalent required
• Minimum 2 years of mechanical, fleet maintenance, diesel technician, or related experience preferred
• Valid driver's license required
• CDL preferred but not required

Recommended Experience

• Experience working with over-the-road tractors, drayage equipment, or commercial fleet operations preferred
• Experience performing preventative maintenance and routine fleet inspections
• Familiarity with DOT vehicle requirements and transportation industry maintenance standards
• Experience managing maintenance inventory and shop supplies

What Success Looks Like

Success in this role is defined by maintaining a safe, reliable, and operational fleet with minimal downtime. Vehicles, trailers, chassis, and yard equipment are routinely inspected, properly serviced, and available to support operational demands. Maintenance issues are identified early, addressed efficiently, and documented accurately. Inventory levels remain properly stocked, ensuring repair and preventative maintenance activities can be completed without unnecessary delays. The mechanic consistently demonstrates ownership of fleet condition while contributing to the long‑term reliability and performance of company assets.

Ownership: Full responsibility for assigned maintenance activities and equipment readiness

Speed: Timely identification and resolution of maintenance issues

Clarity: Direct communication regarding equipment status, repairs, and recommendations

Reliability: Consistent execution of preventative maintenance and repair work

Improvement: Ongoing contribution to fleet reliability, safety, and operational efficiency