What are the responsibilities and job description for the Global Technical Specialist--3D Airflow & Combustion position at generalmotors?
Job Description Work Arrangement: This role is categorized as hybrid. This means the successful candidate is expected to report to the office three times per week, at minimum. The Role General Motors is seeking a highly skilled and motivated Engine Combustion & Airflow Technical Specialist to join our Engine Performance and Calibration team. This role is critical in shaping the future of internal combustion engine (ICE) technology through high-fidelity computational fluid dynamics (CFD) simulations. The ideal candidate will have deep expertise in engine airflow, gas exchange, combustion modeling, fuel injection spray, exhaust systems and emissions control, and will contribute to the design and optimization of next-generation gasoline and diesel combustion systems and airpaths. What You'll Do Lead the technical method development and roadmap for fuel spray, in-cylinder mixture preparation, combustion analysis, exhaust and aftertreatment systems, manifolds and boosting systems. Own scorecards for critical hardware release metrics for combustion, airflow, exhaust systems, aftertreatment, and exhaust sensors Design and optimize combustion chamber geometries for improved efficiency, power output, and emissions performance. Simulate and interpret combustion processes, heat transfer, cold start behavior, and catalyst heating strategies. Provide component-level and/or system-level design recommendations to Hardware & Calibration Technical Specialists based on interpretation of analysis results Own and enhance current standard analysis practices and/or tools to improve prediction fidelity and/or execution speed Lead, execute, and coordinate analysis capability development initiatives, with emphasis on an “all virtual” future Drive testing to support the development of first-time capable analysis techniques Stays abreast of new technology and competitive products Lead cross-functional teams including engine design, calibration, controls, and emissions compliance. Interface with software vendors to convey future needs and impart change Work with leadership, development partners, and PMT Technical Specialists to identify gaps and priorities for analysis growth Seek out state of the art tools and methods and maintain a benchmark of industry capability and trends Lead analysis support for code red and urgent product issue resolution Interface with other virtual groups to establish common processes Communicate status to leadership and escalate issues/roadblocks within the organization, as necessary Represent GM for external collaborations and conferences Your Skills & Abilities (Required Qualifications) 10 years’ experience with compressible CFD analysis of powertrain-related systems MS in Mechanical Engineering, Aerospace Engineering or a related field with a focus on internal combustion engines or fluid dynamics 7 years’ experience in CFD software (CONVERGE, STAR-CD, STAR-CCM or similar) for gasoline or diesel mixture preparation / combustion simulation Highly proficient with ProStar, ICEM, Hypermesh, Tgrid, or equivalent CFD meshing software Highly proficient with Converge, Siemens CCM In-Cylinder Solution, StarCD, AVL Fire, or equivalent CFD software Highly proficient with Ensight, ProStar or equivalent CFD post-processing software Proficient in programming (Java, MATLAB, Python), workflow automation, and customization of tools surrounding main vendor software Strong understanding of engine combustion testing, data acquisition and analysis Demonstrated experience leveraging machine learning, advanced statistical methods, model-based calibration and/or multi-disciplinary CAE optimization What Will Give You A Competitive Edge (Preferred Qualifications) PhD in Mechanical Engineering or related fields Proficient in application of machine learning, data driven modeling techniques in context of engine simulations Proficient with GT-Power, WAVE, AVL Boost, or equivalent 1D engine simulation software Experience with hands-on engine testing, data acquisition and calibration tools (AVL Concerto, Indicom, ETAS) This job may be eligible for relocation benefits #LI-LG2 GM does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc). This role is categorized as hybrid. This means the selected candidate is expected to report to a specific location at least 3 times a week {or other frequency dictated by their manager}. About GM Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all. Why Join Us We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team. 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