Technician - Mobile Road Service

Diamond Truck & Trailer; Elk Grove Village (IL); On-site; USD 52,000 - 78,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Free uniforms

Health insurance

Opportunity for advancement

Paid time off

Signing bonus

Training & development

Vision insurance

Overtime opportunities

PPE allowance

Annual cost of living increase

Job summary

Diamond Truck and Trailer is actively seeking an experienced Mobile Road Service Technician to diagnose, repair, and maintain tractor-trailers at customer sites across the Chicagoland area. You will respond to roadside calls, perform on-site repairs, and conduct preventative maintenance to minimize downtime.

The ideal candidate has 3+ years of diesel experience, strong mechanical aptitude, and the ability to work independently in varying field conditions. CDL is a plus and safety is paramount.

Qualifications

• Minimum of a high school diploma or GED.
• 3+ years as a diesel mechanic, preferably with tractor-trailer experience.
• Strong knowledge of diesel engines and truck/trailer systems.

Responsibilities

• Respond to roadside service calls for tractors and trailers.
• Diagnose mechanical, electrical, and pneumatic issues.
• Perform on-site repairs and preventive maintenance at customer locations.

Skills

Diesel mechanics

Diagnostic tools

Reading schematics

Customer service

Time management

Education

High school diploma or GED

Tools

Diagnostic software

Job description

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Free uniforms
• Health insurance
• Opportunity for advancement
• Paid time off
• Competitive salary
• Parental leave
• Signing bonus
• Training & development
• Vision insurance

About Us:

Diamond Truck and Trailer is a leading provider of emergency roadside assistance, mobile truck and trailer repair, and fleet maintenance in the Chicagoland area. We pride ourselves on our rapid response times, quality workmanship, and commitment to getting our customers' heavy‑duty vehicles back on the road safely and efficiently. We are looking for a skilled and motivated Mobile Road Service Technician to join our growing team.

Job Summary:

We are seeking an experienced and reliable Mobile Road Service Technician to provide on‑site diagnostics, repairs, and maintenance for tractor‑trailers. The ideal candidate will have a strong mechanical aptitude, excellent problem‑solving skills, and the ability to work independently in various field conditions. You will be responsible for responding to roadside breakdowns and performing scheduled maintenance, ensuring minimal downtime for our clients.

Key Responsibilities:

• Respond promptly and professionally to roadside service calls for tractor‑trailers.
• Diagnose mechanical, electrical, and pneumatic issues on trucks and trailers.
• Perform a wide range of repairs on‑site, including but not limited to:
• Engine diagnostics and minor repairs (e.g., sensors, belts, hoses)
• Brake system repairs (e.g., air brakes, chambers, slack adjusters)
• Electrical system troubleshooting and repair (e.g., lighting, starting, charging systems)
• Air system repairs (e.g., leaks, valves, airlines)
• Fuel system repairs (e.g., fuel delivery issues, filter changes)
• Trailer repairs (e.g., doors, landing gear, lights, body work).
• Perform preventative maintenance services on trucks and trailers at customer locations.
• Utilize diagnostic tools and software to accurately identify faults.
• Maintain accurate records of all service work performed, including parts used and labor hours.
• Operate and maintain a service vehicle in a clean, organized, and safe manner.
• Communicate effectively with dispatch, customers, and team members regarding job status and repair recommendations.
• Adhere to all safety regulations and procedures.
• Manage parts inventory on the service truck and order replacements as needed.
• Be available for on‑call rotations, including nights, weekends, and holidays as required.

Required Skills and Qualifications:

• High school diploma or GED.
• Minimum of 3 years of experience as a diesel mechanic, preferably with experience on tractor‑trailers.
• Strong knowledge of diesel engines, Class 8 truck and trailer systems (electrical, braking, pneumatic, hydraulic).
• Proficiency with diagnostic tools and software.
• Ability to read and interpret technical manuals and schematics.
• Valid driver's license with a clean driving record (CDL is a plus)
• Ability to lift heavy objects up to 75 lbs and work in various weather conditions.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and customer service skills.
• Ability to work independently and manage time effectively.

Preferred Qualifications:

• ASE certifications
• CDL Class A or B.
• Experience with reefer unit repairs.
• Previous experience in a mobile/road service role.
• Familiarity with DOT regulations.

Compensation and Benefits:

• Competitive hourly wage/salary - based on experience.
• Overtime opportunities.
• Paid parental leave
• PPE allowance
• Annual cost of living increase
• Medical, Dental, Vision, LT/ST disability and supplemental insurance ***85% company paid***