Senior Bus Maintenance Tech – Lead Diagnostics & EV/CNG

Tier1usa; Dallas (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

LAZ Parking’s EcoFleet division seeks an experienced Senior Bus Maintenance Technician (A Level) to perform advanced diagnostics and repairs across the DFW bus fleet, including heavy transit, medium cutaways, and EV platforms.

You will mentor B- and C-level technicians, drive root-cause solutions, and ensure DOT/TxDMV inspections meet airport standards. The role offers paid certifications, HV training, and leadership growth within LAZ/EcoFleet.

Qualifications

• 5+ years of heavy/medium-duty fleet or transit technician experience (or 3+ years with ASE Master).
• ASE certifications: two or more of H-series (Transit Bus) or T-series (Medium/Heavy Truck) required; ASE Master (H or T) preferred.
• Class B CDL with passenger endorsement (or ability to obtain within 90 days - company paid).
• EV high-voltage and/or hybrid powertrain experience preferred; CNG fuel system certification strongly preferred.
• Valid U.S. driver’s license; must pass a federal background check and DFW airport badging requirements.

Responsibilities

• Perform advanced diagnostics and repair of diesel, CNG, gasoline, and EV powertrains, air brake systems, suspensions, HVAC, aftertreatment/exhaust, and multiplexed electrical systems.
• Lead root-cause repair on repeat failures (e.g., coolant leaks, no-starts, alarm conditions) so buses return to service fixed, not patched.
• Perform and quality-check DOT/TxDMV inspections and PM inspections (PMA/PMI cycles) to LAZ/EcoFleet and airport standards.
• Operate vehicle lifts, tire changing and balancing equipment, and shop tools safely and efficiently.
• Utilize a company-supplied laptop and Fleetio VMS for diagnostics, service writing, work-order documentation, and online training; document all repairs accurately and on time.
• Mentor B- and C-level technicians; collaborate with team members to maximize repair efficiency and quality.
• Provide direct feedback to management to improve repair procedures; attend meetings with internal management and airport stakeholders as requested.
• Work with parts staff and local suppliers to obtain parts, up to and including picking up parts when necessary.
• Maintain a clean, safe working environment; ensure cleanliness of vehicles during service; respond promptly to road-call support requests.
• Execute duties with adaptability to changing circumstances including emergencies, workload fluctuations, urgent tasks, and new technology.

Skills

Diagnostic skills

Leadership

Safety consciousness

Team collaboration

Education

High school diploma or equivalent

Trade school training

Tools

Fleetio

Samsara

Shop software

Job description

LAZ Parking’s EcoFleet division seeks an experienced Senior Bus Maintenance Technician (A Level) to perform advanced diagnostics and repairs across the DFW bus fleet, including heavy transit, medium cutaways, and EV platforms.

You will mentor B- and C-level technicians, drive root-cause solutions, and ensure DOT/TxDMV inspections meet airport standards. The role offers paid certifications, HV training, and leadership growth within LAZ/EcoFleet.