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Senior Engine Performance Engineer Jobs in Illinois

Automotive Robotics

Performance Engineer

Peoria, IL · On-site

Performance Engineer Individual to provide technical support in the development of Tier 4 ... Candidates should have experience designing or developing Aftertreatment components and /or engine ...

Akuna Capital

Performance Engineer

Chicago, IL

$145K/yr

Contribute to the design and implementation of our trading engine by increasing its performance ... Strong C++ or Python programming background with demonstrated experience developing performant ...

Akuna Capital

Performance Engineer

Chicago, IL · On-site

$145K/yr

Contribute to the design and implementation of our trading engine by increasing its performance ... Strong C++ or Python programming background with demonstrated experience developing performant ...

ARi

Engine Test and Performance Engineer

Peoria, IL · On-site

$70K - $75K/yr

The main function of a Software Planning engineer is to evaluate and coordinate the engine software design content and schedule, software feature functionality and quality to enable optimal operation ...

Hi-Tech Solutions

Performance Engineer

Chicago, IL

As a Performance Engineer in Test, this role will have a breadth of knowledge and success in ... Abas - Senior Technical Recruiter Hi-Tech Solutions, Inc. (HTS) 2 Mid America Plaza Suite 630 ...

Pinnacle Talent Recruiter, LLC

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Engine Control Systems Engineer

Chillicothe, IL · On-site

... performance and emissions. As an individual contributor within the Large Engine Controls team in ... A Bachelor's degree in Mechanical Engineering or Electrical/Electronics Engineering is required

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Senior Engine Performance Engineer information

What does a Senior Engine Performance Engineer do?

A Senior Engine Performance Engineer is responsible for analyzing, developing, and optimizing engine systems to ensure they meet performance, efficiency, and emissions standards. They work on testing and calibrating engines, interpreting data, and making recommendations for design improvements. These engineers often lead teams, collaborate with other departments, and use advanced tools and simulation software to achieve project goals. Their expertise is crucial in the automotive, aerospace, and manufacturing industries where engine performance is critical.

What is the difference between Senior Engine Performance Engineer vs Engine Calibration Engineer?

AspectSenior Engine Performance EngineerEngine Calibration Engineer
Required CredentialsBachelor's/Master's in Mechanical or Automotive Engineering, certifications like SAE or OEM-specific trainingBachelor's in Mechanical or Automotive Engineering, calibration-specific certifications often preferred
Work EnvironmentDesign labs, testing facilities, vehicle development teamsEngine control units (ECU) calibration, testing labs, vehicle integration
Employer & Industry UsageAutomotive OEMs, Tier 1 suppliers, motorsport teamsAutomotive OEMs, ECU calibration firms, aftermarket tuning companies

The Senior Engine Performance Engineer focuses on optimizing engine performance through testing and analysis, while the Engine Calibration Engineer specializes in ECU tuning and calibration to meet performance and emissions standards. Both roles require similar technical backgrounds but differ in their specific focus areas within engine development.

What are the key skills and qualifications needed to thrive as a Senior Engine Performance Engineer, and why are they important?

To thrive as a Senior Engine Performance Engineer, you need a deep understanding of thermodynamics, combustion, and engine calibration, typically supported by a degree in mechanical or automotive engineering. Proficiency with simulation software (like GT-Power), data acquisition systems, and engine management tools is essential, along with knowledge of industry standards such as ISO or SAE. Analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and presenting technical findings. These skills and qualifications are vital for optimizing engine performance, meeting regulatory requirements, and driving innovation in competitive automotive environments.

What are some of the main challenges a Senior Engine Performance Engineer faces when working on new engine designs?

One of the main challenges in this role is balancing competing requirements such as power output, fuel efficiency, emissions compliance, and durability. Senior Engine Performance Engineers often need to collaborate closely with calibration, validation, and design teams to optimize engine parameters while adhering to project timelines and regulatory standards. Additionally, keeping up with rapidly evolving technologies and integrating new components or control strategies can add complexity to the development process. Strong problem-solving skills and effective cross-functional communication are critical to successfully navigating these challenges.
What are the most commonly searched types of Engine Performance Engineer jobs in Illinois? The most popular types of Engine Performance Engineer jobs in Illinois are:
What are popular job titles related to Senior Engine Performance Engineer jobs in Illinois? For Senior Engine Performance Engineer jobs in Illinois, the most frequently searched job titles are:
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Senior Engine Performance Engineer jobs near you
PS & CD - Engine Performance Calibration Engineer

PS & CD - Engine Performance Calibration Engineer

Caterpillar

Mossville, IL • On-site

$131K - $192K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 14 days ago

Caterpillar Inc. rating

7.5

Company rating: 7.5 out of 10

Based on 466 frontline employees who took The Breakroom Quiz

225th of 429 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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