General Motors

Virtual Propulsion Engineer-3D Combustion, Airflow, Exhaust

General Motors • $90K — $120K *
Warren, MI 48089In-Person
Aerospace & Defense
5 - 7 years of experience
2 weeks ago
Job Overview by Ladders

Qualifications

  • 5+ years experience with compressible CFD analysis of powertrain-related systems
  • BS in Mechanical Engineering, Aerospace Engineering, or a related field focusing on internal combustion engines or fluid dynamics
  • 3+ years experience in CFD software for gasoline or diesel simulations
  • Highly proficient with CFD meshing software like ProStar, ICEM, or equivalent
  • Experienced in post-processing tools like Ensight and ProStar

Responsibilities

  • Design and optimize combustion chamber geometries for efficiency and emissions
  • Simulate combustion processes and heat transfer phenomena
  • Provide design recommendations to engineers based on analysis results
  • Model and analyze fuel injector behavior and spray atomization
  • Enhance analysis practices for better prediction accuracy and speed
  • Collaborate with test engineers to improve laboratory procedures
  • Document and present analysis findings to stakeholders

Benefits

  • Hybrid work arrangement with at least three in-office days per week
  • Potential eligibility for relocation benefits
  • Opportunities for professional development and advancement
  • Access to cutting-edge technologies and techniques in engine simulation
  • Work in a collaborative environment with cross-functional teams
Full Job Description
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 Performance and Calibration 3D CFD Analyst 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 combustion modeling, fuel injection systems, and emissions control, and will contribute to the design and optimization of next-generation gasoline and diesel combustion chambers.

What You'll Do
  • 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 Design Responsible Engineers based on interpretation of analysis results
  • Exercise analytical models for fuel preparation and mixture motion analysis including equivalence ratio and wall wetting
  • Model and analyze fuel injector behavior, spray atomization, spray-wall interaction, and mixture preparation.
  • Exercise analytical models for in-cylinder combustion analysis using 3D CFD codes such as Star-CD, Converge, AVL-Fire, or in-house proprietary software
  • Enhance current standard analysis practices and/or tools to improve prediction fidelity and/or execution speed
  • Participate in product design and development teams and regularly present analysis results to engineering peers and management
  • Document analysis objectives, conclusions, results, and assumptions using a standard report template
  • Cooperatively work with test engineers to enhance laboratory procedures to support the development of first-time capable analysis techniques
  • Stays abreast of new technology and competitive products
  • Collaborate with cross-functional teams including engine design, calibration, controls, and emissions compliance.
  • Validate simulation results with experimental data and iterate designs accordingly.
  • Document and present findings to technical leadership and project stakeholders.


Your Skills & Abilities (Required Qualifications)
  • 5+ years experience with compressible CFD analysis of powertrain-related systems
  • BS in Mechanical Engineering, Aerospace Engineering or a related field with a focus on internal combustion engines or fluid dynamics
  • 3+ years experience in CFD software (CONVERGE, STAR-CD, STAR-CCM+ ICS 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


What Will Give You A Competitive Edge (Preferred Qualifications)
  • MS or PhD in Mechanical Engineering
  • Proficient in programming (Java, MATLAB, Python), workflow automation, and customization of tools surrounding main vendor software
  • 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
  • Proficient 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 General Motors

General Motors Company engages in the manufacture and sale of cars and trucks in the United States, China, Brazil, Germany, the United Kingdom, Canada, and Italy. It offers sedans, crossovers, sport utility vehicles, pick-up trucks, coupes, sports/convertibles and hybrid vehicles, hatchbacks/wagons, and vans, as well as mini cars in India. The company also provides parts and accessories, such as iPod and MP3 compatibility, mobility accessories, performance parts, AC parts and services, and merchandise. In addition, it offers vehicle safety, security, and information services. The company provides used vehicles. It offers its products through dealers and distributors. General Motors Company was formerly known as NGMCO, Inc. and changed its name to General Motors Company in July 2009. The company was incorporated in 2009 and is based in Detroit, Michigan. It operates manufacturing facilities in India, the United States, and Canada. General Motors Company operates as a subsidiary of the United States Department of The Treasury. General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and is currently among the world's largest automakers by vehicle unit sales. General Motors acts in most countries outside the USA via wholly-owned subsidiaries but operates in China through 10 joint ventures. GM's OnStar subsidiary provides vehicle safety, security, and information services. In 2009, General Motors shed several brands, closing Saturn, Pontiac, and Hummer, and emerged from a government-backed Chapter 11 reorganization. In 2010, GM made an initial public offering IPOs to date and returned to profitability later that year.

General Motors Careers

Join the dynamic team at General Motors, a global leader in automotive innovation and technology. At General Motors, we offer unparalleled job opportunities that propel your career forward while contributing to a legacy of engineering excellence.

Work You’ll Do

Embark on a career with General Motors to drive the future of mobility. Our team is dedicated to redefining the automotive landscape through innovation and leadership in electric vehicles and sustainable solutions. By joining us, you will be part of a culture that values diversity, teamwork, and continuous professional growth.

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Innovate and Lead

At General Motors, innovation is at the core of everything we do. From research and development to manufacturing, our teams work collaboratively to lead the industry with cutting-edge technologies and sustainable practices. We encourage our employees to think big and push the boundaries of what’s possible.

Join Our Global Team

As part of our global workforce, you will collaborate with talented individuals who are passionate about shaping the future of transportation. General Motors offers a variety of career paths in engineering, design, IT, marketing, and more. With over 155,000 employees worldwide, our network provides expansive opportunities for networking and professional development.

Internship Programs and Employment Benefits

Start your career journey with a General Motors internship, where you can apply your academic knowledge to real-world projects. Our internships provide a robust foundation in the automotive industry, with mentorship from experienced leaders. Full-time employees enjoy a wealth of benefits, including comprehensive health care, retirement plans, and performance bonuses, ensuring that your hard work is rewarded.

Explore Job Opportunities

Whether you’re a seasoned professional or a recent graduate, General Motors offers positions that leverage your unique skills. Our hiring process is designed to identify and nurture talent, focusing on aligning your capabilities with the right opportunities for growth within the company.

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Learn more about General Motors
Size
157,000 employees
Market Cap
$46.9 billion
Industry
Manufacturing & Automotive
Net Income
$6.4 billion
Founded
1908
5 Year Trend
-3.2%
Revenue
$122.4 billion
NASDAQ
GM
* Ladders Estimates

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