On‑Site Diesel Systems Service Technician

Ready to solve tough engine problems where they happen?

If rolling up to a customer site, pinpointing an issue fast, and getting equipment back to work sounds like your kind of challenge, this mobile role in St. Louis, MO (63129) is built for you.

Your impact

• Bring diesel engines and related equipment back to optimal health through diagnostics, repairs, and maintenance—on location.
• Handle scheduled visits and urgent service calls at customer facilities.
• Complete proactive inspections and preventative maintenance to prevent downtime.
• Capture clear, accurate records of services performed and parts installed.
• Translate technical findings into straightforward recommendations for clients.
• Track emerging diesel technologies to refine your approach and results.
• Work safely and consistently within regulatory and company guidelines.

Your toolkit

• High school diploma or equivalent; added diesel technical training is a plus.
• Proven background as a diesel mechanic or similar hands-on role.
• Strong command of diesel engine systems and components.
• Diagnostic mindset with efficient mechanical repair skills.
• Valid driver’s license and a clean driving record.
• Professional communication and customer service strengths.
• Flexibility to travel to multiple job sites as required.

The workstyle

Mobile and customer-facing. You’ll operate throughout the St. Louis area from our 63129 base, bringing high-quality service directly to where it’s needed most.