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Added 8 days ago
Senior Sales Representative
Bloomington, MN · Peoria, IL · TX
Relationship Management: Knowledge of relationship management techniques; ability to establish and maintain healthy working relationships with clients, vendors, and peers.
Added 8 days ago
Distribution Research Consultant
Morton, IL
…complex business problems, develop integrated solutions, and support strategic Inventory Management initiatives. A strong analytical and systems background is required, with the ability to…
Added 8 days ago
Rental & Used Senior Operations Representative
PA
…succeed in their markets. You will deploy proven tactics to support the dealers with growth and turn performance insights into measurable results for dealers and their…
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Adventureland Park 2027 - Aquatics Lead
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Escalate major guest concerns to management or maintenance team in a timely manner
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Associate, Guarantor Risk & External Relations
McLean, VA
Join our dynamic Multifamily Asset Management Guarantor & External Relations team as a pivotal player, where your primary mission will be to evaluate and enhance the performance of our…
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Adjunct Welding Instructor- B2B
The Refrigeration School, Inc.
Phoenix, AZ
…classroom every day. We have built a culture of kindness and support that helps people feel comfortable being themselves, confident about what they contribute, championed in taking risks or…
Added 8 days ago
Adjunct Welding Instructor 2nd Shift - B2B
The Refrigeration School, Inc.
Phoenix, AZ
…classroom every day. We have built a culture of kindness and support that helps people feel comfortable being themselves, confident about what they contribute, championed in taking risks or…
Added 8 days ago
BW
Supplier Quality Engineer
Boston Whaler Inc.
Edgewater, FL
- $76,000 to $110,000 USD / year
…Supplier Quality Engineer is to provides strategic and tactical support to Manufacturing by executing quality activities; such as: advanced quality planning to support High Performance…
Added 8 days ago
International Business Development Manager
Ace Hardware Corporation
Oak Brook, IL
Understanding of international franchise regulations, cross border tax considerations, and currency and financial risk
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Safety & Security Specialist - On Site
Ace Hardware Corporation
Loxley, AL
- $17.8 to $22.3 USD / hour
…operational, and root cause investigations within the Retail Support Center. This position provides technical guidance, thorough documentation, incident follow-up, corrective action…
Added 8 days ago
Warehouse Supervisor
Ace Hardware Corporation
PA
…facilitator-led courses, and a generous tuition assistance program, plus a performance management approach that goes beyond the typical annual…
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Administrative Assistant
Vylor
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…efficiently. In this role, you will provide front office reception support, collaborate with production, agronomy, and external partners, and manage essential administrative functions…
Added 8 days ago
Logistics Analyst
Vylor
Des Moines, IA · Des Moines
…transportation documents, labels, and other documentation required to support import/export clearance and destination-country…
Added 8 days ago
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Youth Peer Support Specialist
Waypoint Maine
Sanford, ME
- $22 to $27 USD / hour
· Must have a reliable vehicle with proper insurance, current registration, and a valid driver’s license/clean driving record from state of residence
Added 8 days ago
Lead ASIC Verification Engineer
General Dynamics Mission Systems, Inc
Remote, United States
As a Lead ASIC verification engineer for the Bitttercloud II program at Idaho Scientific a business segment within General Dynamics Mission Systems, you’ll support a cross functional team…
Added 8 days ago
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Pharmacist-Ambulatory
AHS Allina Health System
United States
- $63.54 to $87.91 USD / hour
8-hour day shift
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Learning Facilitation Specialist
AHS Allina Health System
United States
- $37.04 to $50.77 USD / hour
8-hour day/evening shift
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Pharmacist-Retail-Per Diem
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United States
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Supervisor Contact Center
AHS Allina Health System
United States
- $35.61 to $48.81 USD / hour
8-hour day/evening shift
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Hospice Resource RN
AHS Allina Health System
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- $42.92 to $59.38 USD / hour
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Added 8 days ago
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HP Retail Sales Representative
Companies, Inc.
Laredo, TX
- $17 USD / hour
…rapport with customers and professional relationships with store management and…
Added 8 days ago
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HP Retail Sales Representative
Companies, Inc.
Lady Lake, FL
- $16.5 USD / hour
…rapport with customers and professional relationships with store management and…
Added 8 days ago
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Senior Manager, Strategic Sourcing
CesiumAstro
Westminster, CO
- $157,000 to $192,000 USD / year
This position requires an experienced supply chain leader with extensive knowledge of strategic sourcing, category management, supplier economics, and commercial negotiations. The Senior…
Added 8 days ago
Senior Manager, Strategic Sourcing
CesiumAstro
Austin, TX
This position requires an experienced supply chain leader with extensive knowledge of strategic sourcing, category management, supplier economics, and commercial negotiations. The Senior…
Added 8 days ago
C
Manager, Subcontracts
CesiumAstro
Westminster, CO
- $136,000 to $167,000 USD / year
…involving sourcing, negotiations, awards, administration, change management, supplier performance, and closeout while ensuring compliance with established policies and contractual…

Closed listing

Performance/Simulation/Application Engineer

Mossville, IL, United States

$97,530.00 - $146,290.00 Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience.

This opening has closed.

The original listing is kept below for reference.

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Job details

Pay: $97,530.00 - $146,290.00 Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience.
Closing date: Nov 12, 2026
Posting language: English
Posted: Nov 5, 2026

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Original job description

Archived listing. The details below describe a past opening.

Career Area:

Engineering

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.

Performance/Simulation/Application Engineer Mossville, IL

Job Summary:

The Large Power System Division currently seeking a Catalyst Performance/Simulation/Application Engineer who will support the development and application of aftertreatment systems through catalyst sizing, performance simulation, system analysis, and validation. The engineer will use simulation and test data to evaluate catalyst performance, optimize aftertreatment system sizing, and provide technical recommendations supporting product development and application programs.

What you will do:

Perform catalyst performance modeling and sizing to support aftertreatment applications.
Evaluate catalyst sizing alternatives and aftertreatment capability across operating conditions.
Analyze test-cell and field data to assess aftertreatment performance; this type of data review is specifically included in your prior requisition.
Use simulation results and experimental data to identify performance gaps and recommend technical solutions.
Support catalyst and aftertreatment system selection, sizing, and application decisions.
Develop and communicate technical conclusions, assumptions, risks, and recommendations.
Partner with design, test, controls, application, and program teams to resolve aftertreatment performance issues.
Support project execution by providing timely analysis, technical direction, and documentation.

Education and Experience Requirement:

Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or a related engineering discipline.
Hands-on experience performing catalyst sizing and catalyst performance simulation/modeling.
Demonstrated experience evaluating aftertreatment system capability and catalyst sizing tradeoffs, consistent with responsibilities identified in the existing engineering requisition.
Experience analyzing engineering data and translating simulation or test results into technical recommendations.
Strong analytical and problem-solving skills.
Ability to communicate technical findings and recommendations clearly to engineering teams and project stakeholders

Skills you will have:

Process Management: Working knowledge of business process improvement tools and techniques; ability to understand, monitor, update, control, or enhance existing business or work processes.
Accuracy and Attention to Detail: Working knowledge and understanding the necessity and value of accuracy; ability to complete tasks with high levels of precision.
Analytical Thinking: Working knowledge of techniques and tools that promote effective analysis; ability to determine the root cause of organizational problems and create alternative solutions that resolve these problems.
Effective Communications: Working knowledge and understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.
Problem Solving: Extensive knowledge of approaches, tools, techniques for recognizing, anticipating, and resolving organizational, operational or process problems; ability to apply knowledge of problem solving appropriately to diverse situations.
Technical Excellence: Working knowledge of a given technology and various application methods; ability to develop and provide solutions to significant technical challenges.
Project Management: Basic knowledge of effective project management strategies and tactics; ability to plan, organize, monitor, and control projects, ensuring efficient utilization of technical and administrative resources to achieve project objectives.
Computer-Aided Design & Engineering: Working knowledge of tools and techniques of specialized graphics programs; ability to produce, analyze, simulate and test product design drafts

Top Candidates Will Have:

Master’s degree in Mechanical Engineering, Chemical Engineering, or a related engineering discipline.
Experience with diesel or natural-gas engine aftertreatment systems.
Experience with catalyst technologies and system-level aftertreatment development.
Experience correlating simulation predictions with laboratory, test-cell, or field results.
Knowledge of emissions performance, exhaust thermal conditions, conversion efficiency, and catalyst aging/deterioration.
Experience supporting new-product or application-development programs.
Familiarity with catalyst canning and DEF system components.
Ability to work/lead multiple projects simultaneously and to make sound priority decisions.

Additional Information:

This position is located in Mossville, IL.
Domestic relocation assistance is available for this position.
Visa sponsorship is available for this position.

Please ensure you frequently sign in to your candidate home for any updates or correspondence for positions that you have applied for. https://cat.wd5.myworkdayjobs.com/CaterpillarCareers.

Keep a frequent check on emails as correspondence will be sent to the email that you used to apply with.

#LI

Summary Pay Range:

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

This position requires working onsite five days a week.

Relocation is available for this position.

Visa sponsorship is available for eligible applicants.

Posting Dates:

November 5, 2026 - November 11, 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.

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More about this job

Skills

Documentation
Mechanical engineering
Chemical engineering
Problem solving
Business knowledge
Process improvement
Attention to detail
Analytical skills
Communication skills
Project management
Natural gas

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Work requirements

Jobs in the United States