Jobs in the United States

25+ jobs

Added 1 min ago
Process Engineer (Food Manufacturing)
ConAgra Fds Packaged Fds LLC
Rensselaer, IN
…and continuous improvement. You will lead Daily Management Systems (DMS), boost equipment reliability, and inspire a culture of digital transformation. Your role will combine hands-on…
Added 3 mins ago
Maintenance Engineer – Aerospace Materials
Texstars, LLC.
United States
Are you a passionate and driven Maintenance Engineer who is looking to take their career to new heights? Then look no further than this opportunity with PPG's Aerospace business! We are…
Added 3 mins ago
Process Engineer (Food Manufacturing)
CONAGRA
Rensselaer, IN
…and continuous improvement. You will lead Daily Management Systems (DMS), boost equipment reliability, and inspire a culture of digital transformation. Your role will combine hands-on…
Added 5 mins ago
Electrical Design Engineer
Express Employment Professionals
Clearwater, FL
The Electrical Design Engineer is a core technical role within Company’ Engineering department, responsible for the design, documentation, and continuous improvement of solid-state AC motor…
Added 5 mins ago
EE
Engineering Technician
Express Employment Professionals
Broadview, IL
- $25 to $35 USD / hour
Set up, program, and operate specialized battery testing equipment, including Arbin battery cyclers, thermal chambers, and electrical testing systems.
Added 7 mins ago
Staff Engineer
Pager Health
Remote, United States
Pager Health is seeking a Staff Engineer who excels in understanding business goals through insightful questioning. This role involves designing sophisticated healthcare applications,…
Added 11 mins ago
UT
Staff Android SDK Engineer, Ad Rendering & Monetization
Unity Technologies SF
San Francisco, CA
- $221,187 USD / year
Staff Android SDK Engineer, Ad Rendering & Monetization, Unity Technologies SF, San Francisco, CA. Design and evolve Android SDK architecture to support scalable and reliable ad delivery.…
Added 11 mins ago
Senior Machine Learning Engineer, Ads
Unity Technologies SF
Mountain View, CA · San Francisco, CA
We're seeking a Machine Learning Engineer to own the ML side of Offerwall fraud prevention. You'll take our real-time anomaly detection and device risk models from development into…
Added 12 mins ago
RU
Application Engineer III
Randstad USA
Millstone Township, NJ
- $100,000 to $140,000 USD / year
Our client is seeking an experienced Application Engineer III based on-site in Millstone Township, NJ. In this vital role, you will architect enterprise-scale physical security…
Added 12 mins ago
Electrical Engineer
Cementation USA
Salt Lake City, UT
The Electrical Engineer provides safe, "Best for Project" solutions for complex projects, while ensuring regulatory compliance for all electrical engineering deliverables. The Electrical…
Added 13 mins ago
Senior Scientist/Engineer (Regenerative Medicine & Advanced Biological Systems)
Chenega Corporation
UNAVAILABLE
Come join a company that strives for Extraordinary People and Exceptional Performance! Chenega Enterprise Systems & Solutions, LLC, a Chenega Professional Services company, is looking for a…
Added 13 mins ago
Structures Lead Mechanical Design Engineer
General Electric Company
United States
…integration, and support of future military engine products. The Lead Engineer will own the design & development of advanced military products components. The engineer will be responsible…
Added 13 mins ago
Airfoils Lead Mechanical Design Engineer
General Electric Company
United States
…integration, and support of future military engine products. The Lead Engineer will own the design & development of advanced military products components. The engineer will be responsible…
Added 13 mins ago
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Software engineer, generative AI
WRITER
San Francisco, CA · Seattle, WA · New York City, NY
- $146,000 to $240,000 USD / year
…enterprises to safely adopt superintelligence. As a software engineer, generative ai at WRITER, you'll be at the forefront of expanding human capacity by building the secure, scalable…
Added 13 mins ago
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Lead product manager
WRITER
San Francisco, CA · Seattle, WA · New York City, NY
- $204,000 to $283,000 USD / year
- Exceptional communication that you tailor for any audience, from a frontline engineer to the executive team, driving alignment without relying on org chart authority
Added 13 mins ago
W
Software engineer, connectors & MCP
WRITER
San Francisco, CA · Seattle, WA · New York City, NY
- $146,000 to $240,000 USD / year
We're looking for an exceptional software engineer to join our rapidly evolving team at WRITER. In this pivotal role, you'll be at the forefront of expanding human capacity by building the…
Added 13 mins ago
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Software engineer, agents
WRITER
New York City, NY · Seattle, WA · San Francisco, CA
- $146,000 to $240,000 USD / year
We’re seeking a highly skilled fullstack software engineer to join our engineering team building advanced AI-driven agent systems that execute autonomous workflows, orchestrate multi-step…
Added 13 mins ago
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Infrastructure engineer
WRITER
New York City, NY · Seattle, WA · San Francisco, CA
- $173,000 to $240,000 USD / year
…available, performant, and reliable, 24/7. As an Infrastructure engineer, you'll be at the heart of making this a reality, impacting every enterprise customer who trusts us with their…
Added 13 mins ago
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Design engineer (US)
WRITER
New York City, NY · Chicago, IL · Seattle, WA · San Francisco, CA · Austin, TX
- $143,000 to $234,000 USD / year
Design engineers sit at the intersection of design and engineering. As a design engineer at WRITER, you'll own the Writer Design System (WDS) - how it's built, how it's maintained, and how…
Added 13 mins ago
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AI engineer
WRITER
San Francisco, CA · New York City, NY
- $220,000 to $259,000 USD / year
As an AI engineer at WRITER, you'll be at the forefront of shaping how enterprises harness superintelligence. This isn't just about theory; you'll be building tangible AI solutions that…
Added 13 mins ago
W
Security engineer, detection and response
WRITER
San Francisco, CA · Seattle, WA · New York City, NY
- $146,000 to $240,000 USD / year
Join WRITER's security team as a staff detection and response engineer and help protect the AI infrastructure that's transforming how the world works. You'll build sophisticated detection…
Added 13 mins ago
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Staff security engineer, application security
WRITER
New York City, NY · Seattle, WA · San Francisco, CA
- $204,000 to $240,000 USD / year
This is where security meets innovation at enterprise scale. As a staff security engineer, applications at WRITER, you'll be building the security foundations that protect the AI systems…
Added 13 mins ago
LL
Facility Engineer
LTFMGTCO LTF Club Management Co, LLC
United States
- $33.25 to $45.75 USD / hour
The Facilities Maintenance Engineer is responsible for the inspection, maintenance, and repair of building systems including HVAC, plumbing, electrical, boilers, and pool systems. This role…
Added 14 mins ago
Software Engineer, Content Management Systems - Retail & Marcom Engineering
Apple
Austin, TX
We are looking for a Software Engineer with 3+ years of experience to design, develop, and enhance modern, distributed, scalable, and high-performance Content Management Systems (CMS) using…
Added 14 mins ago
Senior CyberArk PAM Engineer
The Northern Trust Company
Tempe, AZ
Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, Engineering, or a related discipline, or equivalent professional experience.

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.

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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.
Apply by: Nov 11, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

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:

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.

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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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