Mobile & Shop Refrigeration Technician | Roseville, MN | $35.00 - $37.00+ /hr + Mobile Premium

The Mobile & Shop Refrigeration Technician performs advanced diagnostics, repairs, and maintenance on tractors and trailers. You will handle complex service requests, making sure all repairs comply with Koch Companies and DOT standards. In this mobile role, you’ll provide on‑site service across multiple locations, traveling to both customer and company sites as needed.

Location: Roseville, MN

Shift: Monday – Friday from 07:00 am - 3:30pm 

Pay Range: $35.00 - $37.00+ /hr (commensurate with experience) + Mobile Premium 

Why work for us?

• 🌟 Sign-On Bonus Alert! 🌟 Join our team as a Technician and kickstart your journey with an amazing $6,000 sign-on bonus! We're not just offering a job; we're investing in your future and welcoming you into our family.
• You will also receive a $1000 tool allowance, and $100 boot allowance...PER YEAR!
• Paid Time Off accrual begins day one!
• HSA with a generous company match!
• Medical coverage through the LARGEST nationwide network!
• FREE online medical and mental healthcare for you and your immediate family!
• 401k contributions upon hire with immediate company match!
• 6 paid Holidays + 3 Floating Holidays
• We will reimburse you for your heavy equipment mechanic tuition!
• Upgrade your skills using current and innovative technology and industry specific software!

What you’ll be doing daily:

• Practice safe work habits by adhering to all Koch Companies policies, procedures, and standards.
• Perform scheduled maintenance and advanced repairs, including all skills from Mobile Tech II checklist, plus:
  • Advanced Diagnostics: Troubleshoot advanced CEL issues (e.g., DPF, SCR systems) and perform reefer unit electrical and cooling diagnostics.
  • Liftgate Repairs: Replace hydraulic motors and conduct advanced electrical diagnostics and repairs.
  • Suspension and Driveline: Perform advanced suspension diagnostics (e.g., bushings, torque arms) and minor leaf spring inspections and adjustments.
  • Electrical Systems: Conduct complete wiring repairs under field conditions and troubleshoot advanced ABS modules.
  • Welding and Fabrication: Perform structural repairs using steel and aluminum and create field modifications or custom fabrications.
• Train and mentor Mobile Technician I and II team members.
• Conduct visual inspections for DOT compliance and ensure repairs meet DOT standards.
• Read and understand operating manuals, blueprints, and technical documentation for diagnostics and repairs.
• Drive tractors for short distances to verify diagnostics and confirm proper function after repairs.
• Document maintenance, inspections, and repair activities accurately.

Knowledge and Skills to be successful:

• High school diploma or equivalent
• Minimum 5 years of tractor or trailer maintenance and repair experience
• Ability to independently complete advanced repairs.
• Ability to diagnose and repair complex CEL, ABS, and reefer systems
• Strong time management skills with the ability to prioritize service calls independently
• Proficient in structural welding and field fabrication
• Advanced electrical troubleshooting and wiring repair skills in mobile conditions
• Thorough understanding of federal and state DOT inspection and repair standards

About the Role

The salary grade for this position ranges from $32.24 to $45.78/hr. While offers will be based on experience and qualifications, the targeted hiring range for this role is $35.00 - $37.00/hr.

Application Deadline 

To be considered for this position, please submit your application no later than February 5, 2026.

About Koch Companies

Koch Companies is a family-owned, industry-leading organization comprised of several divisions, including Koch Logistics, United Trailer Leasing, Koch NationaLease, 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, physical, and emotional well-being through robust wellness programs. You’ll also enjoy competitive pay, comprehensive benefits, and the chance to make a meaningful impact in an organization that truly values its employees.

Equal Employment Opportunity Statement: Koch Companies is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices. Koch Companies strictly prohibits and does not tolerate discrimination against employees, applicants, or any other covered persons because of race, color, religion, creed, national origin or ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, citizenship, past, current, or prospective service in the uniformed services, genetic information,  or any other characteristic protected under applicable federal, state, or local law.

Accommodation Statement: If you require a reasonable accommodation to participate in the application or interview process, please contact us at 1-800-249-2369, to ensure that all applicants have the opportunity to participate fully in our recruitment process.

Koch Companies: Family owned, Customer Focused