CAE / CFD / 1-D Simulation Engineer Internship

About the Internship

This internship is designed for students graduating with a B.E./B.Tech in 2027 from disciplines such as Mechanical Engineering, Production Engineering, Mechatronics, Automotive Engineering, Aerospace Engineering, or related fields.

About Gray Mobility

Gray Mobility develops cutting-edge electric commercial vehicles for emerging markets, aiming to create software-driven platforms that enhance safety, reliability, uptime, and overall cost efficiency. Interns will collaborate closely with experienced engineers on actual vehicle development spanning from concept stages to validation, directly impacting the production-ready electric vehicle designs.

Key Responsibilities

• Assist in simulation and virtual validation tasks on vehicle, subsystem, and component levels.
• Perform CAE structural and durability analyses including chassis, battery enclosures, and body components through static, modal, fatigue, and durability simulations.
• Conduct stiffness and lightweight optimization studies and validate designs via finite element analysis.
• Correlate simulation outputs with real-world physical testing results.
• Undertake CFD studies covering battery thermal management, cooling airflow for battery/motor/power electronics, cabin HVAC thermal comfort, underbody airflow, water ingress, and ventilation.
• Engage in 1-D system simulations such as vehicle longitudinal performance, energy consumption, drive cycles, motor/inverter/battery modeling, cooling system performance, regenerative braking, and vehicle optimization.
• Perform full vehicle simulations including performance prediction, gradeability, acceleration, energy management, mission-based scenarios, parameter sensitivity, and system-level trade-off analyses.

Tools and Technologies

• Altair HyperMesh, OptiStruct, MotionSolve, HyperView, and preferred AcuSolve.
• MATLAB, Simulink, Simscape.
• Microsoft Excel and Python (preferred).
• Experience with ANSYS, GT-SUITE, AVL Cruise, Star-CCM+, OpenFOAM or similar tools is advantageous.

Desired Skills

• Solid grasp of engineering mechanics fundamentals.
• Knowledge of finite element analysis basics.
• Understanding of computational fluid dynamics.
• Familiarity with vehicle dynamics and electric vehicle principles.
• Competence in heat transfer, thermodynamics, strength of materials, and machine design concepts.
• Proficiency in data analysis, engineering calculations, and interpreting engineering drawings and CAD models.
• Strong analytical thinking and problem-solving abilities.

Who Can Apply

• Candidates available for full-time, in-office internship.
• Those able to begin between July 12, 2026, and August 16, 2026.
• Applicants committed to a six-month internship duration.
• Students specializing in Mechanical Engineering or related disciplines with relevant skills and interests.

Additional Information

• We seek curious engineers passionate about tackling challenging engineering problems.
• Focus is on strong fundamentals over extensive professional experience.
• Self-motivated candidates who take ownership of their responsibilities.
• Aptitude to learn rapidly and thrive in a dynamic startup environment.
• Good communication and ability to document work effectively.
• Passion for electric vehicle technology and sustainable transportation.

What You Will Gain

• Experience in developing commercial electric vehicles aimed at production.
• Hands-on usage of industry-standard simulation software.
• Guidance and mentorship from seasoned automotive professionals.
• Exposure to the entire vehicle development lifecycle from concept design to validation.
• Opportunities to collaborate across mechanical, electrical, software, and systems engineering teams.
• Contribute to real-world technologies impacting customers.

Compensation and Perks

• Monthly stipend ranging from INR 10,000 to 15,000.
• Certificate of internship and letter of recommendation upon completion.
• Casual dress code within the workplace.

Selection Process

• Resume screening.
• Technical assessment.
• Simulation and problem-solving exercise.
• Technical interview.
• Final discussion.

About the Company

Gray Mobility focuses on pioneering sustainable, technology-driven electric mobility solutions including electric vans and trucks tailored for both Indian and international markets. Currently, the company is rapidly expanding its product lines, forging strategic partnerships, and scaling up regional operations.