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Diesel Engine Calibration Engineer Jobs in Illinois

ARi

Engine Test and Performance Engineer

Peoria, IL

$70K - $75K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Basic understanding of Diesel Engine Operation. Ability to read and interpret blueprints, technical drawing, schematics and computer-generated reports. Previous experience with to software ...

Roubij A Inc

DIESEL MECHANIC

Rochelle, IL · On-site

$22 - $35/hr

... Engineering (Optional). o ASE Diesel Certification (Preferred). o Valid driver's license required (CDL preferred) o Aptitude for mathematics and science. o Advanced knowledge of diesel engine ...

Roubij A Inc

DIESEL MECHANIC

Rochelle, IL · On-site

$22 - $35/hr

... Engineering (Optional). o ASE Diesel Certification (Preferred). o Valid driver's license required (CDL preferred) o Aptitude for mathematics and science. o Advanced knowledge of diesel engine ...

Roubij A Inc

DIESEL MECHANIC

Rochelle, IL · On-site

$22 - $35/hr

... Engineering (Optional). o ASE Diesel Certification (Preferred). o Valid driver's license required (CDL preferred) o Aptitude for mathematics and science. o Advanced knowledge of diesel engine ...

Prevailance

Diesel Engineman Contract Instructor

Great Lakes, IL · On-site

$55K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Warfare Engineering Schools Command (SWESC) as a Diesel Engineman Contractor Instructor (EN CI ... Diesel Engine C School Module 5 (LPD C/P) (A-651-9001) * USCG ALCO 251C (A-651-3030) * USCG FBM (A ...

Prevailance

Diesel Engineman Contract Instructor

North Chicago, IL · On-site

$55K - $65K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... Warfare Engineering Schools Command (SWESC) as a Diesel Engineman Contractor Instructor (EN CI ... Diesel Engine C School Module 5 (LPD C/P) (A-651-9001) * USCG ALCO 251C (A-651-3030) * USCG FBM (A ...

Prevailance

Testing Officer

North Chicago, IL · On-site

$45K - $60K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The ideal candidate brings deep engineering-rate expertise, instructional certification, and a ... Diesel Engine "C" LSD 41/49 Class Colt-Pielstick Maintainer, A-652-0323 * Diesel Engine "C ...

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Diesel Engine Calibration Engineer information

What is the difference between Diesel Engine Calibration Engineer vs Mechanical Engineer?

AspectDiesel Engine Calibration EngineerMechanical Engineer
Required CredentialsBachelor's in Mechanical, Automotive, or related engineering; certifications in engine calibrationBachelor's in Mechanical Engineering; broader certifications in design or manufacturing
Work EnvironmentAutomotive or engine testing labs, R&D centersManufacturing plants, design offices, R&D labs
Industry UsageAutomotive, heavy machinery, engine manufacturingVarious industries including automotive, aerospace, manufacturing
Common Search/ComparisonYesNo

The Diesel Engine Calibration Engineer specializes in optimizing engine performance through calibration, focusing on emissions, fuel efficiency, and power. In contrast, a Mechanical Engineer has a broader scope, working on design, analysis, and manufacturing of mechanical systems. While both roles require engineering degrees, calibration engineers focus more on engine testing and software calibration, whereas mechanical engineers work across various mechanical systems.

What are some typical challenges a diesel engine calibration engineer faces when working with new engine technologies?

Diesel Engine Calibration Engineers often encounter challenges when integrating new engine technologies, such as meeting stringent emissions standards while maintaining performance and fuel efficiency. Adapting calibration strategies to accommodate advancements like aftertreatment systems or hybridization requires close collaboration with cross-functional teams, including software developers and test engineers. Balancing regulatory compliance with customer expectations can be demanding, but it also provides opportunities for creative problem-solving and continuous learning in a dynamic environment.

What does a diesel engine calibration engineer do?

A Diesel Engine Calibration Engineer is responsible for optimizing the performance, fuel efficiency, and emissions of diesel engines by adjusting software and hardware parameters. They use specialized tools and testing equipment to collect data, analyze engine behavior, and make precise calibrations to meet regulatory standards and customer requirements. Their work often involves collaborating with design, testing, and manufacturing teams to ensure engines perform reliably and efficiently across various operating conditions.

What are the key skills and qualifications needed to thrive as a diesel engine calibration engineer?

To thrive as a Diesel Engine Calibration Engineer, you need a solid background in mechanical or automotive engineering, with expertise in engine performance, emissions, and control systems. Familiarity with calibration tools such as ETAS INCA, MATLAB/Simulink, and knowledge of OBD diagnostics are typically required, along with relevant certifications. Strong problem-solving abilities, attention to detail, and effective communication are essential soft skills for collaborating with cross-functional teams and resolving complex engineering challenges. These skills and qualifications ensure precise engine performance, regulatory compliance, and efficient teamwork in developing reliable diesel powertrains.

What are popular job titles related to Diesel Engine Calibration Engineer jobs in Illinois?

For Diesel Engine Calibration Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Diesel Engine Calibration Engineer jobs in Illinois look for?

The top searched job categories for Diesel Engine Calibration Engineer jobs in Illinois are:

Diesel Engine Calibration Engineer jobs near you
Infographic showing various Diesel Engine Calibration Engineer job openings in Illinois as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

PS & CD - Engine Performance Calibration Engineer

Caterpillar

Mossville, IL • On-site

$131K - $192K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 days ago

Caterpillar Inc. rating

7.4

Company rating: 7.4 out of 10

Based on 480 frontline employees who took The Breakroom Quiz

288th of 490 rated machine equipment manufacturers

Job description

Career Area:
Job Description:
Your Work Shapes the World at Caterpillar Inc.
When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.
Caterpillar Inc. seeks PS & CD- Engine Performance Calibration Engineer at its facility located at 14009 Old Galena Rd, Bldg L, Chillicothe, IL 61523. Develop and manage calibration projects for dual-fuel engines to meet customer expectations and regulatory requirements. Collaborate with NPI and NTI product teams to support concept evaluation, recipe selection, engine performance improvement efforts, and field data analysis for early issue detection and resolution. Develop engine test plans, perform complex analysis, and deliver technical reports. Provide technical support for engine performance and contribute to resolving product issues through the NPI and CPI processes. Support engine hardware recipe evaluation and software strategy development. Coordinate with emissions regulations and compliance teams regarding new software and program requests, including preparation of engine emissions certification documentation, data files, and AECD documents. Mentor a team of engine calibration engineers and communicate technical information to leadership and internal stakeholders. Focus on continuous improvement of processes, methods, and tools related to engine performance and validation. REQS: This position requires a bachelor's degree or foreign equivalent in Mechanical Engineering, Aerospace Engineering or a related field and 8 years of experience in engine performance and emissions calibration development or related occupation. In the alternative, employer will accept a master's degree or foreign equivalent Mechanical Engineering, Aerospace Engineering or a related field and 6 years of experience in engine performance and emissions calibration development or related occupation. Additionally, the applicant must have employment experience with: (1) Engine simulation and test analysis; (2) Engine performance, emission calibration development; and (3) Software tools including NI DIAdem, Canape, & MATLAB. Travel: None. Telecommuting: None.
Summary Pay Range:
$131,227.00 - $192,710.00
Compensation and benefits may vary depending on multiple individualized factors, job level, market, location, job-related knowledge, skills, individual performance, and experience. Please note that salary is only one component of total compensation at Caterpillar.
Benefits:
Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.
  • Medical, dental, and vision benefits*
  • Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
  • 401(k) savings plans*
  • Health Savings Account (HSA)*
  • Flexible Spending Accounts (FSAs)*
  • Health Lifestyle Programs*
  • Employee Assistance Program*
  • Voluntary Benefits and Employee Discounts*
  • Career Development*
  • Incentive bonus*
  • Disability benefits
  • Life Insurance
  • Parental leave
  • Adoption benefits
  • Tuition Reimbursement

* These benefits also apply to part-time employees
Applicants who are interested in this position should apply via www.caterpillar.com/careers, search [PS & CD- Engine Performance Calibration Engineer / Reference # R0000379558]. #LI-DNI
This position requires working onsite five days a week.
Visa Sponsorship is not available for this position.
Posting Dates:
June 28, 2026 - October 27, 2026
Any offer of employment is conditioned upon the successful completion of a drug screen.
Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.
Not ready to apply? Join our Talent Community.

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