ASE Diesel Mechanic – Transit Bus Fleet (24/7)

RATP Dev USA; Camarillo (CA); On-site; USD 70,000 - 98,000; Full time

Job summary

RATP Dev USA in Camarillo, CA is seeking a Mechanic Level A to diagnose, repair, and maintain heavy‑duty diesel buses and trucks, using advanced mechanical and electrical troubleshooting.

You will perform preventive maintenance, keep detailed repair records, and ensure safety and regulatory compliance while supporting 24/7 operations. Candidates must hold four ASE Truck/Transit Bus certifications including T6 or H6, EPA 608/609, and CDL‑B with endorsements.

Qualifications

• High school diploma or equivalent with vocational training preferred.
• Four ASE Truck/Transit Bus certs required, incl. T6 or H6 electrical.
• EPA 608/609 air conditioning certification and CDL-B with endorsements.

Responsibilities

• Diagnose, repair, maintain and inspect heavy‑duty diesel buses and trucks.
• Perform complex preventive maintenance and corrective repairs.
• Read schematics and use diagnostic tools to troubleshoot issues.
• Maintain repair records in electronic systems and ensure safety compliance.
• Support 24/7 operations and work in a team environment.
• Train lower‑level personnel and assist in supervision when required.

Skills

Safety-first attitude

Electrical and mechanicalTroubleshoot

Read schematics

Strong communication

24/7 shift flexibility

Education

High school diploma or GED

Vocational/technical schooling or equivalent

ASE Truck/Transit Bus certs (4) incl. T6 or H6

EPA 608/609 Air Conditioning Cert

CDL class B with endorsements

Tools

Cummins Insite

Allison DOC

Diagnostic software

Job description

RATP Dev USA in Camarillo, CA is seeking a Mechanic Level A to diagnose, repair, and maintain heavy‑duty diesel buses and trucks, using advanced mechanical and electrical troubleshooting.

You will perform preventive maintenance, keep detailed repair records, and ensure safety and regulatory compliance while supporting 24/7 operations. Candidates must hold four ASE Truck/Transit Bus certifications including T6 or H6, EPA 608/609, and CDL‑B with endorsements.