Field-Based Mobile Diesel Mechanic – Fleet Repair Pro

Amrize; Aspen Hill (MD); On-site; USD 34,440,000 - 55,104,000; Full time

Benefits offered by this job

401(k) matching

Medical insurance

Paid time off

Educational assistance

Job summary

Amrize North America Inc. seeks a Mobile Mechanic to diagnose, repair, and maintain diesel-powered vehicles and machinery across multiple sites in Maryland. You will perform advanced diagnostics, routine maintenance, and ensure safety standards are met to minimize downtime.

The role requires hands-on troubleshooting, collaboration with the maintenance team, and travel to customer sites. A high school diploma and diesel tech training are expected, with ASE or OEM certifications preferred.

Qualifications

• Education: High school diploma or equivalent.
• Field of Study Preferred: Diesel Mechanics Technology.
• Minimum 2 years hands‑on experience diagnosing, repairing, and maintaining diesel engines and heavy equipment.
• Travel to multiple sites throughout Maryland.
• ASE Diesel Certification or OEM training (Preferred).
• Advanced diagnostic and troubleshooting abilities.
• Ability to read and interpret technical manuals, schematics, and service bulletins.

Responsibilities

• Diagnose and troubleshoot diesel engines and hydraulic systems to identify mechanical and electrical faults.
• Repair and rebuild diesel engines, transmissions, and rotary equipment components using specialized tools and diagnostic software.
• Perform routine and preventive maintenance for fleet reliability and safety compliance.
• Calibrate engine controls, fuel injection systems, and emission control devices.
• Collaborate with maintenance supervisors to develop repair plans and estimate costs.
• Maintain accurate service records and ensure OSHA safety compliance.
• Demonstrate commitment to safety policies in all work environments.

Skills

Diesel systems

Diagnostics

Troubleshooting

Read schematics

Safety compliance

Education

High school diploma or equivalent

Diesel Mechanics Technology (Preferred)

Tools

Diagnostic tools

Scan equipment

Repair software

Job description

Amrize North America Inc. seeks a Mobile Mechanic to diagnose, repair, and maintain diesel-powered vehicles and machinery across multiple sites in Maryland. You will perform advanced diagnostics, routine maintenance, and ensure safety standards are met to minimize downtime.

The role requires hands-on troubleshooting, collaboration with the maintenance team, and travel to customer sites. A high school diploma and diesel tech training are expected, with ASE or OEM certifications preferred.