Senior Design Engineer - Aftertreatment

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. About IPSD Caterpillar’s Industrial Power Systems Division (IPSD) designs, tests and manufactures 0.5 to 18L engines that not only power Caterpillar machines, but also power over 5000 other applications including Marine, Petroleum, Industrial Applications, Electric Generators, and Locomotives. Caterpillar’s company strategy includes sustainability as one of four focus areas and IPSD is engaged and actively preparing green energy solutions for the future. Role Definition As a Senior Design Engineer within Caterpillar Industrial Power Systems Division’s aftertreatment team, you will be part of a cross-functional, high performing team and develop products that make our world cleaner by meeting new and existing emissions regulations. You will work with industry leading experts to direct and contribute to the concept, development, and design of complex emissions control components and systems. You will have the opportunity to work with a global team to deliver innovative emissions solution while strengthening your analytical skills and mastery of engineering concepts. You will contribute to the planning and delivery of projects, continually learn and stay abreast of innovative technology, mentor and coach team members, and broaden your professional network. What You Will Do: Lead the design integration of innovative aftertreatment systems Develop robust aftertreatment modules and components that meet performance, quality, and emissions requirements Drive design activities from concept through delivery to achieve timing, cost, and quality targets Build strong partnerships with customers, suppliers, team members, and process partners to deliver effective solutions Investigate complex design challenges and implement solutions that strengthen product quality and reliability Support product maintenance and continuous improvement throughout the product lifecycle Degree Requirement Requires a bachelor’s degree in an accredited Engineering What You Will Have: Effective Communications : 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. Level Extensive Experience: Reviews others' writing or presentations and provides feedback and coaching. Adapts documents and presentations for the intended audience. Demonstrates both empathy and assertiveness when communicating a need or defending a position. Communicates well downward, upward, and outward. Employs appropriate methods of persuasion when soliciting agreement. Maintains focus on the topic at hand. Managing Multiple Priorities: Knowledge of effective self-management practices; ability to manage multiple concurrent objectives, projects, groups, or activities, making effective judgments as to prioritizing and time allocation. Level Extensive Experience: Clarifies and handles multiple concurrent and diverse activities. Shifts focus among several efforts as required by changing priorities. Addresses potential conflicts that impact current delivery commitments. Works with or leads others to re-prioritize work and reschedule commitments as necessary. Responds to shifting priorities while maintaining progress of regularly scheduled work. Demonstrates an expectation that there will be ongoing shifts in demands and priorities. Product Design and Development : Knowledge of product features; ability to design, build, and develop a new product, technology, or service from concept through to production. Level Extensive Experience: Develops organizational standards and processes in order to maximize complex product services' efficiency and effectiveness. Creates and introduces new techniques that expedite or simplify the development process. Supervises the management of multiple and diverse types of products or services. Develops proof-of-concept exercises to prove or disprove validity of proposed products. Advises on the appropriate solutions to complex product design and development problems. Designs working prototypes of a variety of proposed products or services. Additional Information: Relocation assistance is NOT available for this position Sponsorship is not available for this position This position is location in Mossville, IL Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. For nearly 100 years, we’ve been helping customers build a better, more sustainable world and are committed and contributing to a reduced-carbon future. Our innovative products and services, backed by our global dealer network, provide exceptional value that helps customers succeed. Summary Pay Range: $112,710.00 - $169,060.00 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 Posting Dates: October 14, 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 .