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Senior Diesel Performance Jobs in Chicago, IL (NOW HIRING)

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Senior Diesel Performance information

See Chicago, IL salary details

$51K

$131K

$215.8K

How much do senior diesel performance jobs pay per year?

As of Aug 24, 2026, the average yearly pay for senior diesel performance in Chicago, IL is $130,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,600.00 and $153,500.00 per year, depending on experience, location, and employer.

What does a senior diesel performance specialist do?

A Senior Diesel Performance Specialist is responsible for enhancing and optimizing the performance of diesel engines, typically in vehicles or industrial equipment. They diagnose engine issues, recommend and implement performance upgrades, and ensure compliance with safety and emissions standards. Additionally, they may lead teams, train junior technicians, and work closely with clients to meet specific performance goals. Their expertise helps maximize engine efficiency, power, and reliability.

What are the key skills and qualifications needed to thrive as a senior diesel performance specialist?

To thrive as a Senior Diesel Performance Technician, you need in-depth knowledge of diesel engines, performance tuning, diagnostics, and typically several years of hands-on experience or relevant certifications (such as ASE or manufacturer-specific credentials). Proficiency with diagnostic tools, performance tuning software, and engine management systems is crucial. Strong problem-solving skills, attention to detail, and effective communication help you excel in both technical troubleshooting and customer interactions. These skills ensure accurate diagnostics, high-quality performance upgrades, and customer satisfaction in a specialized and rapidly evolving field.

What types of projects or challenges can a senior diesel performance specialist expect to tackle on a typical day?

As a Senior Diesel Performance specialist, you’ll often work on complex diagnostic issues, performance upgrades, and custom tuning for diesel engines. Your day may involve collaborating with mechanics, engineers, and customers to troubleshoot problems, install high-performance components, and ensure compliance with emissions standards. You’ll also provide mentorship to junior technicians, contribute to process improvements, and stay updated on the latest diesel technologies. The role requires strong technical expertise and effective communication skills to handle multifaceted projects and customer needs.

What is the difference between Senior Diesel Performance vs Diesel Technician?

AspectSenior Diesel PerformanceDiesel Technician
CertificationsASE certifications, Diesel Performance certificationsASE certifications, Diesel mechanic certifications
Work EnvironmentPerformance shops, custom tuning facilitiesRepair shops, dealerships, service centers
Job FocusOptimizing engine performance, tuning, upgradesDiagnosing, repairing, maintaining diesel engines
Industry UsagePerformance enhancement, aftermarket modificationsGeneral diesel engine repair and maintenance

Senior Diesel Performance specialists focus on enhancing diesel engine power and efficiency through tuning and upgrades, often working in performance shops. Diesel Technicians perform repairs and maintenance on diesel engines across various settings. While both roles require similar certifications, their work environments and job focuses differ significantly.

What are the most commonly searched types of Diesel Performance jobs in Chicago, IL?

The most popular types of Diesel Performance jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Senior Diesel Performance jobs?

Cities near Chicago, IL with the most Senior Diesel Performance job openings:

Senior Diesel Performance jobs near you

Diesel Technician III

Unlimited Carrier Inc

Bolingbrook, IL • On-site

Full-time

Re-posted 19 days ago

Job description

Job DescriptionJob Details

Job Title: Diesel Technician III
Department: Truck Service Point
Reports To: Shop Foreman
Effective Date: 08/04/2026

Position Overview

The Diesel Technician III is a highly skilled, senior-level technician responsible for performing complex diagnostics and advanced repairs on diesel-powered trucks and related equipment. This role serves as a technical expert within the shop, providing leadership, mentoring junior technicians, and ensuring high-quality repair standards.

Key Duties and ResponsibilitiesAdvanced Diagnostics & Repair
  • Perform expert-level diagnostics on complex mechanical, electrical, aftertreatment, and driveline systems.
  • Troubleshoot and repair:
    • Diesel engines
    • Aftertreatment and emissions systems (DPF, DOC, SCR)
    • Multiplexing and CAN bus systems
    • High-level electrical faults and communication issues
    • Transmission and driveline components
  • Conduct engine performance testing, calibrations, and software updates using OEM diagnostic tools.
Major Component Repair
  • Perform engine component replacement, including turbochargers, injectors, EGR systems, and pumps.
  • Replace major assemblies such as transmissions, differentials, and axles.
  • Execute advanced brake, suspension, and steering repairs.
Preventative Maintenance & Compliance
  • Conduct and verify all levels of preventative maintenance (PM A, B, and C), including advanced inspection points.
  • Perform DOT inspections and ensure full regulatory compliance.
  • Identify root causes of recurring fleet issues and recommend corrective actions.
Leadership, Training & Technical Support
  • Mentor and train Technicians I and II on best practices, troubleshooting, and repair procedures.
  • Serve as a technical resource for complex job assignments.
  • Support shop leadership in quality control initiatives.
Documentation & Reporting
  • Document repairs, diagnostics, and parts usage accurately in maintenance systems.
  • Contribute to procedural improvements and standard operating practices.
Safety & Shop Standards
  • Lead by example in following all safety protocols and PPE requirements.
  • Identify hazards and take corrective action to maintain a safe work environment.
  • Ensure proper use and care of shop tools, equipment, and diagnostic devices.
Skills and RequirementsRequired Qualifications
  • Minimum of 5 years of experience in diesel truck or heavy equipment repair.
  • Advanced diagnostic skills using OEM software such as Cummins INSITE, Detroit DiagnosticLink, and Navistar Service Software.
  • Strong understanding of electrical systems, aftertreatment systems, and vehicle data networks.
  • Ability to read and interpret complex wiring diagrams, schematics, and service manuals.
  • Valid driver's license.
  • Ability to lift 50+ pounds and perform physically demanding work.
Preferred Qualifications
  • Formal diesel technology education or equivalent hands-on experience.
  • Multiple ASE Medium/Heavy Truck (T-Series) certifications or ASE Master Certification.
  • OEM-specific training or certifications (Cummins, Detroit, PACCAR, Navistar, Allison).
  • Experience training or mentoring other technicians.
  • Strong communication and leadership skills.
  • CDL Class A or B license.
Work Environment
  • Shop environment with exposure to noise, fumes, and heavy machinery.
  • Requires standing, bending, lifting, and use of heavy tools.
  • May require occasional outdoor work depending on facility setup.
Compensation

Pay Range: $38.00–$43.00 per hour, based on experience, certifications, and shift.

Schedule
  • Monday–Friday, 10:00 AM – 6:30 PM
Additional Information

The information contained in this job description is intended to describe the general nature and level of work performed by associates within this classification. It is not intended to be, nor should it be interpreted as, a comprehensive inventory of all duties, responsibilities, or qualifications required of associates assigned to this position.

Include shift schedule
English (US)


Monday–Friday, 10:00 AM – 6:30 PM
Include budgeted hours
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