Senior Diesel Technician - Growth Path & Benefits

Bosselman Enterprises; Altoona (IA); On-site; USD 52,000 - 78,000; Full time

Job summary

Bosselman Enterprises' Boss Shop team is seeking a skilled Shop Diesel Mechanic/Technician to perform preventive maintenance, diagnostics, and repairs on diesel-powered equipment in our Altoona, IA facility. The role requires strong mechanical aptitude, DOT and HVAC knowledge, and the ability to work nights or on-call as needed.

You will use diagnostic platforms such as J-Pro, FleetCross, and OE software to diagnose and repair vehicle systems, document work, and ensure safety and quality

Qualifications

• Air Brake Certification required.
• DOT Medical Card required.
• ASE certifications preferred; Shop Technician IV must obtain or maintain relevant certs within one year.
• Section 609 HVAC certification required for HVAC service.
• Valid driver’s license with insurable driving record.

Responsibilities

• Performs preventive maintenance, tire services, and emergency road service calls.
• Conducts DOT inspections and ensures compliance with regulations.
• Performs service calls including night and on-call assignments.
• Uses diagnostic platforms (J-Pro, FleetCross, OE software) to diagnose and repair vehicle systems.
• Completes work orders with labor, parts, and warranty data.
• Performs engine, fuel, and emissions system repairs and related tasks.
• Maintains shop cleanliness and safe working conditions.
• Provides customer service in a friendly, professional manner.

Skills

English communication

Teamwork

Manual dexterity

Reliability

Education

ASE certifications (preferred)

Air Brake Certification

DOT Medical Card

Section 609 HVAC certification

Tools

J-Pro

FleetCross

OE software

Job description

Bosselman Enterprises' Boss Shop team is seeking a skilled Shop Diesel Mechanic/Technician to perform preventive maintenance, diagnostics, and repairs on diesel-powered equipment in our Altoona, IA facility. The role requires strong mechanical aptitude, DOT and HVAC knowledge, and the ability to work nights or on-call as needed.

You will use diagnostic platforms such as J-Pro, FleetCross, and OE software to diagnose and repair vehicle systems, document work, and ensure safety and quality