{"id":4225872,"url":"https://alion.io/job/caterpillar-design-engineer-aftertreatment-system","title":"Design Engineer - Aftertreatment System","company":{"id":176554,"name":"Caterpillar","domain":"caterpillar.com","url":"https://alion.io/company/caterpillar","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":95,"open_postings":181,"ghost_share":0,"stale_share":0.177,"repost_share":0.017,"time_to_fill_p50_days":31,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, India","Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"FMEA","optional":false},{"name":"GD&T","optional":false}],"status":"live","first_seen_at":"2026-11-13T07:52:20Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-15T16:30:21Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Career Area:\nEngineeringJob Description:\nYour Work Shapes the World at Caterpillar Inc.\nWhen 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.\nJob Purpose:\n· Seeking a Diesel Engine Aftertreatment (AT) Design Engineer responsible for providing design concepts, and complex system integration solutions for Caterpillar and Perkins branded engines.\n· Designs should provide superior performance, durability, quality and serviceability.\n· 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.\nJob Duties:\n· Responsible for design solutions and system integration of AT system working with Core Technology experts and team members from multiple locations globally\n· Responsible for planning and delivery of complex design projects\n· Responsible for drawing and model quality\n· Establish, develop and maintain strong relationship and collaboration with Manufacturing and Suppliers, building consensus and ensuring product is developed first time right\n· Adhere to Caterpillar Lean development principles\n· Drive innovation and foster continuous learning\n· Adopt flexible approach to ensure enough overlap of working hours with teams in USA/UK/China as needed\n· Be willing to travel aligned to business requirements\nBackground/Experience:\n· Requires an accredited Mechanical/Automobile Engineering degree\n· 6+ years of combined experience in Component and System Development for Diesel Engines Aftertreatment\n· Experience in DOC, DPF and SCR canning design/development\n· Experience in DEF mixing systems design/development\n· Expert knowledge of Pro-E / Teamcenter/ GD&T\n· Ability to develop new design concepts that meet cost, quality, and manufacturability targets\n· Experience with standard NPI process tools such as FMEA, DVP&R, APQP, PPAP, BIQ, etc.\n· 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\n· VAVE execution, Cost Reduction experience\n· Strong communication skills - oral and written\n· Good knowledge of Caterpillar products\nTop candidates will have:\n· Advanced degree from reputed institution\n· 3+ years of Aftertreatment component (DOC/DPF/SCR canning/DEF mixing systems) design and/or development experience working with global and regional teams\n· Experience in working with regional/global suppliers\n· Good knowledge of cross functional roles in domains such as Manufacturing, Purchasing, Quality, related to engines / AT\nAdditional information: This job requires 5 working days from office.\nThis 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.\nThis position requires working onsite five days a week.Relocation is available for this position.Posting Dates:\nCaterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply\nNot ready to apply? 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