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Diesel Emissions Testing Jobs (NOW HIRING)

Apex Systems

Diesel Calibrator

Dearborn, MI · On-site

Dyno Emissions & Certification Testing Support * Support VPSE Dyno DF testing activities, including ... Support the diesel dyno team's transition from legacy AutoTest systems to AVL PUMA test automation ...

DeAngelo Contracting Services

Diesel Mechanic

Yukon, OK · On-site

$32 - $35/hr

Electrical systems * Hydraulic systems * Emissions systems (aftertreatment/DEF systems ... Utilize scan tools, diagnostic software, multimeters, pressure gauges, and other testing equipment ...

DeAngelo Contracting Services

Diesel Mechanic

Norman, OK · On-site

$32 - $35/hr

Electrical systems * Hydraulic systems * Emissions systems (aftertreatment/DEF systems ... Utilize scan tools, diagnostic software, multimeters, pressure gauges, and other testing equipment ...

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Diesel Emissions Testing information

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How much do diesel emissions testing jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for diesel emissions testing in the United States is $30.77, according to ZipRecruiter salary data. Most workers in this role earn between $25.48 and $35.58 per hour, depending on experience, location, and employer.

What is the difference between Diesel Emissions Testing vs Diesel Mechanics?

AspectDiesel Emissions TestingDiesel Mechanics
CertificationsEnvironmental or emissions-specific certificationsASE certifications, diesel engine certifications
Work EnvironmentTesting labs, vehicle inspection sitesRepair shops, garages, fleet maintenance facilities
Job FocusMeasuring and ensuring emissions complianceDiagnosing and repairing diesel engine issues
Industry UsageRegulatory agencies, environmental complianceVehicle repair, maintenance, and service

While Diesel Emissions Testing focuses on measuring and ensuring diesel vehicles meet environmental standards, Diesel Mechanics are responsible for diagnosing and repairing diesel engines. Both roles require technical skills, but emissions testers concentrate on compliance testing, whereas mechanics handle repairs and maintenance.

How much do diesel emissions testers make per hour?

Diesel emissions testers typically earn between $15 and $25 per hour, depending on experience, location, and certification level. The role often requires knowledge of testing equipment and environmental regulations, with some positions offering overtime or benefits.

How to become a diesel emissions testing technician?

To become a diesel emissions testing technician, you typically need a high school diploma or equivalent, followed by specialized training in emissions testing procedures and equipment operation. Certification from the Environmental Protection Agency (EPA) or state agencies is often required, and technicians should have good mechanical skills and attention to detail to accurately perform tests and interpret results.
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Cities with the most Diesel Emissions Testing job openings:

What states have the most Diesel Emissions Testing jobs?

States with the most job openings for Diesel Emissions Testing jobs include:

What job categories do people searching Diesel Emissions Testing jobs look for?

The top searched job categories for Diesel Emissions Testing jobs are:

Diesel Emissions Testing jobs near you
Infographic showing various Diesel Emissions Testing job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 10% Part Time, 3% Contract, and 1% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $64,003 per year, or $30.8 per hour.

Diesel Emissions Calibration Engineer

Dearborn, MO • On-site

Jobtailor
See more jobs at Jobtailorexternal

$110 - $150/hr

Other

Posted 8 days ago

Job description

  • Lead development testing across chassis dynamometers, engine dynamometers, and physical Super Duty test vehicles equipped with the 6.7L Scorpion diesel engine
  • Use virtual vehicle analytical simulations to front-load calibration development and demonstrate Tier 4 system capability
  • Own calibration deliverables required for Tier 4 chassis certification, including test procedures, data packages, and regulatory compliance documentation
  • Conduct sensitivity studies to balance emissions compliance, fuel economy, performance, and drivability
  • Establish preferred control-variable values using a data-driven approach
  • Coordinate calibration of the diesel engine, fuel injection system, turbocharger, EGR, DOC/DPF/SCR aftertreatment, transmission, and driveline
  • Use Design of Experiments methods to map multi-variable calibration spaces and define robust operating strategies
  • Lead prototype Super Duty system setup and commissioning in chassis dynamometer and vehicle environments
  • Perform system-level debugging and troubleshoot mechanical, electrical, and software issues
  • Document and present calibration progress, trade-off results, and Tier 4 compliance status to program leadership and cross-functional teams
Requirements
  • Bachelor's degree in Mechanical Engineering, Electrical Engineering, Automotive Engineering, or a related technical field
  • 3+ years of experience in powertrain calibration focused on heavy-duty diesel emissions calibration and chassis certification
  • Experience with the 6.7L Power Stroke/Scorpion engine platform strongly preferred
  • Proficiency with ETAS INCA or Vector CANape
  • Knowledge of CAN communication protocols
  • Deep understanding of EPA/CARB Tier 4 emissions regulations and chassis certification test procedures for Super Duty diesel applications
  • Design and validation experience with diesel exhaust aftertreatment systems (DOC/DPF/SCR)
  • Mechanical and electrical wiring skills for prototype vehicle/bench setup
  • Hardware-in-the-loop troubleshooting experience on diesel powertrain systems
  • Experience with data acquisition systems and chassis and engine dynamometers
  • Data engineering and statistical validation experience
  • Proven ability to analyze large-scale datasets and identify statistically significant trends
  • Master's or PhD in Engineering is preferred
  • Experience with MATLAB/Simulink and advanced DOE optimization software such as AVL ASCMO or Model-Based Calibration Toolbox is preferred
  • Ability to lead cross-functional technical reviews and mentor junior calibration engineers
  • Legally authorized to work in the United States
Core Competencies

Demonstrates expertise in powertrain calibration, particularly for heavy-duty diesel emissions and chassis certification, with a strong focus on data-driven approaches and regulatory compliance. Proficient in leading technical reviews and mentoring junior engineers while utilizing advanced analytical tools and methodologies.

Highest-signal resume keywords
  • Powertrain Calibration
  • EPA/CARB Tier 4 Emissions Regulations
  • ETAS INCA
  • Data Acquisition Systems
  • Design of Experiments (DOE)
ATS Optimization KeywordsHard Skills
  • Calibration Deliverables
  • Diesel Exhaust Aftertreatment Systems
  • Mechanical Wiring Skills
  • Data Engineering
  • Statistical Validation
  • MATLAB/Simulink
  • Hardware-in-the-Loop Troubleshooting
  • Sensitivity Studies
  • Control-Variable Values
  • Chassis Certification Test Procedures
Soft Skills
  • Leadership
  • Mentoring
  • Communication
Industry Keywords
  • Chassis Dynamometer
  • Engine Dynamometer
  • Super Duty Test Vehicles
  • 6.7L Scorpion Diesel Engine
  • CAN Communication Protocols
Tools & Technologies
  • Vector CANape
  • AVL ASCMO
  • Model-Based Calibration Toolbox
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