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Added 1 min ago
HI
Senior DevOps Engineer
Hatch IT
Washington, DC
- $150,000 to $175,000 USD / year
Expression is seeking an experienced Senior DevOps Engineer to support the National Telecommunications and Information Administration (NTIA) Federal Spectrum Data Systems (FSDS) program…
Added 1 min ago
HI
DevOps Engineer
Hatch IT
Washington, DC
- $120,000 to $140,000 USD / year
Expression is seeking a mid-level DevOps Engineer to support the National Telecommunications and Information Administration (NTIA) Federal Spectrum Data Systems (FSDS) program within the…
Added 1 min ago
Target Digital Network Analyst (TDNA) Level 2
AeroVironment, Inc.
Jessup, MD
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Added 1 min ago
RF PCB Layout Engineer
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…phased-array, mixed-signal, digital, power, and electromechanical…
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Nuclear Commissioning Engineer
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Oak Ridge, TN
…offerings include an excellent 401k plan, medical, dental, vision, short-term and long-term disability, life insurance, and other ancillary…
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Mission Software Engineer
Anduril Industries
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Principal Engineer, Automation Engineering -Aseptic Filling SME
Janssen Biotech, Inc. Legal Entity
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Added 3 mins ago
Staff Engineer, Mechatronics-Capital Equipment
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Remote Employee US, NH
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Added 5 mins ago
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Mortenson
Forney, TX
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Added 5 mins ago
Senior Network Engineer
Futurex
Bulverde, TX
Futurex is seeking talented individuals with a passion for technology to join our team as a Senior Network Engineer. The position is based out of Futurex’s Engineering Campus, 15 miles…
Added 5 mins ago
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Network Site Reliability Engineer (w/ active Secret)
Critical Solutions
Norfolk, VA
- $87,000 to $112,000 USD / year
Critical Solutions is seeking a Network Site Reliability Engineer to support our federal customer.
Added 5 mins ago
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Mid - System Engineer (w/ active Secret)
Critical Solutions
Pearl Harbor, HI
- $99,000 to $128,000 USD / year
Critical Solutions is seeking an experienced Systems Engineer Mid to support a large-scale, geographically dispersed enterprise network environment. The ideal candidate will bring strong…
Added 7 mins ago
Senior Software Engineer - Java Full Stack
Hilton
Memphis, TN · Dallas, TX · McLean, VA
…hospitality industry around the world! As a Senior Software Engineer, you will join the Software Engineering Content team supporting Hilton.com and other customer-facing applications. This…
Added 7 mins ago
Quality Engineer - Plastic Injection Molding
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Lancaster, MA
POSITION SUMMARY The Quality Engineer will play a hands-on role in supporting molding operations in a regulated medical device manufacturing environment. This individual must bring strong…
Added 8 mins ago
Electrical Commissioning Engineer II
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McLean
…and dynamic testing of mechanical, electrical, and controls systems, and operating the system in normal, maintenance, and failure modes of operations by performing the following duties.…
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Senior AI Engineer
Suffolk
Boston, MA
Partner with Data Engineering to design robust ETL/ELT pipelines from enterprise systems to the Databricks Lakehouse.
Added 9 mins ago
Cloud Engineer
KPMG LLP
McLean, VA · Washington, DC
KPMG is currently seeking a Cloud Engineer to join our BPG Fed Advisory organization.
Added 12 mins ago
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Lead Network Engineer
RWE
Austin, TX · White Plains, NY · Chicago, IL
- $127,000 to $171,000 USD / year
The Lead Network Engineer provides advanced technical leadership for the design, implementation, operation, and security of OT network infrastructure across multiple sites and geographies.
Added 13 mins ago
DevOps Engineer -Remote (DC, MD, VA- Locals only)
Swingtech
Remote, United States
Swingtech Consulting, Inc. is seeking a skilled DevOps Engineer to support the operation, maintenance, enhancement, and secure delivery of web-based training and learning management systems…
Added 15 mins ago
Unified Communications Engineer - Senior
Amentum
Warrenton, VA
…lifecycle, Amentum is seeking a Senior Unified Communications Engineer to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You…
Added 16 mins ago
Principal Engineer – Java, Python & Data Platforms
B10 Wells Fargo Bank, N. A.
CHARLOTTE, NC
Wells Fargo is seeking a Principal Engineer to join the Control Monitor technology team within Corporate & Investment Banking (CIB). CIB delivers capital markets, banking, and financial…
Added 16 mins ago
Cyber Threat Engineer
BRMi
Pensacola, FL
BRMi is seeking a Cyber Threat Engineer to support the core functions of the Threat Intelligence and Emerging Risk (TIER) team. This position will provide dedicated engineering capacity to…
Added 16 mins ago
Cyber Threat Engineer
BRMi
Vienna, VA
BRMi is seeking a Cyber Threat Engineer to support the core functions of the Threat Intelligence and Emerging Risk (TIER) team. This position will provide dedicated engineering capacity to…
Added 17 mins ago
RU
Co-Pilot Power Automate Engineer
Randstad USA
Pennington, NJ
- $60 to $68 USD / hour
A Power-Automate Developer/AI Prompt & Automation Engineer with some Co-Pilot Studio experience to assist in streamlining repetitive tasks and business processes across the audit…
Added 19 mins ago
A
Assembly and Test Technician
Aigen
Redmond, WA
- $70,000 to $90,000 USD / year
Run hardware tests with our reliability engineer: thermal, vibration, endurance and ingress protection (IP), plus system and software tests on complete robots. Set up test fixtures and…

Closed listing

Caterpillar, Inc.

Performance/Simulation/Application Engineer

Mossville, IL, United States

$97,530.00 - $146,290.00

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
Posting language: English
Posted: Nov 3, 2026

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Original job description

Archived listing. The details below describe a past opening.

Mossville, Illinois

Full time

R0000402797

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:

Master’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:

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:

$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. 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

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 3, 2026 - November 10, 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 (http://flows.beamery.com/caterpillarinc/talcom) .

There’s more to work at Caterpillar than just the work itself. We hire smart, friendly people and it shows in our culture. We hold ourselves to high standards and make sure our values of integrity, excellence, teamwork, commitment and sustainability come to life in the way we work. We make sure our employees feel continuously challenged while also supported. We provide professional growth opportunities, including leadership programs. We celebrate the diversity of our team, while also working together as one Caterpillar.

Our culture, like everything at our company, is made possible by each employee’s contribution. Person by person, we create the environment we work in, and we are proud of the Caterpillar we’ve built.

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