Diesel Mechanic

National Tank & Equipment; El Reno (OK); On-site; USD 52,000 - 75,000; Full time

Job summary

National Tank & Equipment in El Reno, OK seeks a skilled Mechanic to inspect pumps, engines, tanks, and rental equipment, perform preventive maintenance, and document work orders. The role requires 2–4 years in diesel mechanics and the ability to read equipment data sheets.

You will diagnose issues, conduct field service at customer sites, and ensure equipment is safe and ready for service. The position is based at our El Reno location with local travel, standard hours, and potential overtime.

Qualifications

• 2-4 years of diesel mechanic experience in diesel engines and related systems.
• Valid driver's license for 3+ years with a moderately clean driving record; DOT physical required.
• Possess or can obtain a TWIC card.
• Hands-on field service experience and strong customer service skills.
• Provide personal tools and demonstrate mechanical aptitude, including safe use of tools.

Responsibilities

• Inspect pumps, engines, tanks, and related rental equipment and document condition.
• Complete preventive maintenance, repairs, and functional checks.
• Use work orders to record labor, parts, findings, and completed work.
• Diagnose mechanical, fuel, electrical, and equipment-performance concerns; perform field service.
• Follow PPE, lifting, tool, environmental, driving, and site-safety requirements; report hazards promptly.

Skills

Diesel engine repair

Field service

Customer service

Mechanical aptitude

Education

High school diploma or equivalent

TWIC card

Tools

Diagnostic tools

Hand and power tools

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

FullTime Technical Oklahoma City, OK, El Reno, OK, US

Job Title: Mechanic

What You Will Do

Inspection, Maintenance & Repair

• Inspect pumps, engines, tanks, and related rental equipment and document condition.
• Complete assigned preventive maintenance, repairs, and functional checks.
• Use work orders to record labor, parts, findings, and completed work.
• Maintain tools, service vehicles, and work areas in good order.

Troubleshooting & Field Service

• Diagnose mechanical, fuel, electrical, and equipment-performance concerns appropriate to the role level.
• Perform field service and communicate findings, repair needs, and equipment status.
• Verify repairs and confirm equipment is safe and ready for service.
• Escalate complex issues and learn from senior mechanics and technical resources.

Team & Customer Support

• Work closely with service, operations, and yard teams to support rental readiness.
• Provide professional, respectful support at customer locations.
• Participate actively in training and skills development.

Safety & Compliance

• Follow PPE, lifting, tool, environmental, driving, and site-safety requirements.
• Stop and report unsafe conditions, equipment damage, spills, or hazards promptly.

To Succeed, You Will Need

We value diverse experiences, perspectives, and backgrounds and are excited to see what you bring to the role.

Education & Experience

• High school diploma or equivalent preferred.
• 2-4 years of diesel mechanic experience in diesel engines, industrial maintenance, automotive repair, heavy equipment, pumps, construction equipment, or related mechanical systems.
• Ability to read equipment information and complete service documentation.
• Must have a valid driver's license for more than 3 years with a moderately clean driving record; DOT physical required.
• Possess or can obtain and maintain a valid TWIC card.
• Must have hands-on field service experience and strong customer service skills.
• Must provide personal tools and demonstrate mechanical aptitude, including the safe use of hand, power, and diagnostic tools.

Job Location & Schedule

This position is based at our El Reno location and requires local field service travel. Standard hours are Monday through Friday, 7:00 AM to 5:00 PM, with the possibility of overtime and participation in a rotating on-call schedule.

About the Company

At National Tank & Equipment (NTE), part of the Power Technique division of Atlas Copco, we provide reliable 24/7 rental equipment solutions for demanding industrial operations. Our culture values safety, collaboration, accountability, customer success, and continuous development.