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Design Engineer - Aftertreatment System

Cat

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This role on the market

6 open aftertreatment roles across 2 companies are on ApplySarthi right now, most of them in Bengaluru (1).

What aftertreatment roles keep asking for: MATLAB (33%), Machine learning (33%), Python (33%), ERP (17%), Excel (17%), Power BI (17%), R (17%), Tableau (17%) — counted across their open postings here.

Design Engineer jobs in Bengaluru · Design Engineer jobs in India · Remote Design Engineer jobs

Cat has 1,364 open roles listed here.

Counted across 14 company job boards, updated as roles open and close.

Preparing for this interview

Interviews for aftertreatment roles keep coming back to MATLAB, Machine learning, Python, ERP. Practise those questions before you sit with Cat.

Questions you are likely to be asked

  1. Why do you want to join Cat?
  2. What do you do when a production issue happens on your code?
  3. Walk me through a system you built. How was it designed, and what would you change now?
  4. Tell me about a hard bug you tracked down. How did you find the cause?
  5. How do you decide what to test, and what does good code review look like to you?

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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. Job Purpose: · Seeking a Diesel Engine Aftertreatment (AT) Design Engineer responsible for providing design concepts, and complex system integration solutions for Caterpillar and Perkins branded engines. · Designs should provide superior performance, durability, quality and serviceability. · The incumbent is responsible for requirements gathering, design solutions and integration of AT systems, product validation, supplier management, driving strong manufacturing collaboration, and ensuring adherence to Caterpillar Product and Process excellence standards. Job Duties: · Responsible for design solutions and system integration of AT system working with Core Technology experts and team members from multiple locations globally · Responsible for planning and delivery of complex design projects · Responsible for drawing and model quality · Establish, develop and maintain strong relationship and collaboration with Manufacturing and Suppliers, building consensus and ensuring product is developed first time right · Adhere to Caterpillar Lean development principles · Drive innovation and foster continuous learning · Adopt flexible approach to ensure enough overlap of working hours with teams in USA/UK/China as needed · Be willing to travel aligned to business requirements Background/Experience: · Requires an accredited Mechanical/Automobile Engineering degree · 6+ years of combined experience in Component and System Development for Diesel Engines Aftertreatment · Experience in DOC, DPF and SCR canning design/development · Experience in DEF mixing systems design/development · Expert knowledge of Pro-E / Teamcenter/ GD&T · Ability to develop new design concepts that meet cost, quality, and manufacturability targets · Experience with standard NPI process tools such as FMEA, DVP&R, APQP, PPAP, BIQ, etc. · Strong ability to communicate technical information effectively with team members and others in the work group, as well as employees in other units, customers and suppliers · VAVE execution, Cost Reduction experience · Strong communication skills – oral and written · Good knowledge of Caterpillar products Top candidates will have: · Advanced degree from reputed institution · 3+ years of Aftertreatment component (DOC/DPF/SCR canning/DEF mixing systems) design and/or development experience working with global and regional teams · Experience in working with regional/global suppliers · Good knowledge of cross functional roles in domains such as Manufacturing, Purchasing, Quality, related to engines / AT Additional information: This job requires 5 working days from office. This Job Description is intended as a general guide to the job duties for this position and is intended for the purpose of establishing the specific salary grade. It is not designed to contain or be interpreted as an exhaustive summary of all responsibilities, duties and effort required of employees assigned to this job. At the discretion of management, this description may be changed at any time to address the evolving needs of the organization. It is expressly not intended to be a comprehensive list of “essential job functions” as that term is defined by the Americans with Disabilities Act. This position requires working onsite five days a week. Relocation is available for this position. Posting Dates: Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply Not ready to apply? Join our Talent Community .

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Listed on workday · posted 2026-11-13. ApplySarthi collects openings and links to application pages; the role is advertised by Cat, not by us.