Diesel Technician II | St.Paul

Overview

Koch Companies is looking for a skilled Diesel Technician II to join our Koch Nationa Lease team. In this role, you’ll perform advanced preventative maintenance, troubleshooting, and complex repairs on both tractor and trailer units. You’ll ensure all work meets DOT, state, federal, and company standards while maintaining accurate maintenance records and supporting inventory control. This position also plays a key role in developing junior technicians through on‑the‑job training.

If you take pride in high‑quality work, enjoy solving complex mechanical challenges, and want to grow in a professional, well‑equipped shop environment, this role is an excellent fit.

Location
:
St. Paul, MN

Shift Available
:
Wednesday–Friday 5:30 AM–4:00 PM;
Saturday 4:30 AM–3:00 PM

Hiring Range
: $29.00 - $31.00/hr (commensurate with experience)

• Sign-On Bonus: $6,000
• $1,000 tool allowance and $100 boot allowance per year
• Paid Time Off accrual begins day one
• HSA with company match
• Medical coverage through a nationwide network
• Free online medical and mental health care for you and your immediate family
• 401(k) with immediate company match
• 6 paid holidays + 3 floating holidays
• Reimbursement for heavy equipment mechanic tuition
• Opportunities to upgrade skills with current technology and software

• Perform scheduled preventive maintenance and advanced repairs on tractors and trailers
• Ensure all work complies with DOT, state, federal, and company standards
• Troubleshoot and repair systems across broad categories, including:
  • Powertrain and driveline
  • Suspension, steering, and braking (air and hydraulic)
  • Electrical and electronic systems, including ABS and collision mitigation
  • HVAC and cooling systems
  • Aftertreatment and exhaust systems
  • Liftgate systems (electrical, hydraulic, fabrication)
  • Reefer systems
  • Roll up door components
  • APU systems
• Complete general repairs using hand tools, jacks, hoists, and specialized equipment
• Read and interpret manuals, schematics, blueprints, and technical drawings
• Order necessary parts and support inventory management
• Maintain a clean, safe, and organized work area
• Provide on the job training to junior technicians and helpers
• Make warranty recommendations and document all work accurately

• High school diploma or equivalent
• Minimum 2 years of tractor maintenance experience
• Ability to independently complete advanced repairs
• Strong mechanical aptitude and commitment to safety

• Associate’s degree in Heavy Duty Truck Technology or related field
• 3 or more years of tractor maintenance experience
• Ability to independently complete advanced repairs

• Strong diagnostic and mechanical troubleshooting abilities across tractor and trailer systems
• Proficiency with diagnostic equipment, computerized instrumentation, and maintenance documentation
• ABS brake system certification
• Eligibility for Minnesota State DOT inspector certification
• Strong communication and interpersonal skills
• Professional appearance and adherence to grooming standards
• Ability to work effectively with team members at all levels of the organization
• Ability to interpret technical manuals, schematics, and repair documentation

The salary range for this position ranges from $28.53 to $39.93/hr while offers will be based on experience and qualifications, the targeted hiring range for this role is $29.00 - $31.00/hr.

To be considered for this position, please submit your application no later than March 06, 2026.

Koch Companies is a family-owned, industry-leading organization comprised of several divisions, including Koch Logistics, United Trailer Leasing, Koch Nationa Lease, Koch Services, and Koch Trucking. Together, these divisions are driving outstanding growth and innovation in the transportation and logistics sectors.

At Koch, you’ll be part of a company that values a friendly, casual, and inclusive working environment. We’re committed to your growth and success, offering opportunities for career development, access to current technology, and a culture that prioritizes mental,…