Lead Engineer -Design COE EV

Mahindra and Mahindra Limited [Automotive and Farm Equipment Business]; Chennai; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Mahindra and Mahindra Limited is seeking a transmission component designer with 6–10 years of experience in gear, shafts, and casting components. Proficiency in Siemens NX and a basic understanding of tolerance stack‑up and GD&T are essential.

You will develop gear trains for EV reducers, assess strength, and optimize micro-geometry for efficiency and NVH. The role involves collaboration with CAE teams, design for manufacturability, and creating detailed 3D models and drawings compliant with

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• Strong proficiency in Siemens NX for 3D modelling and drawing preparation.
• Foundational knowledge of tolerance stack-up analysis and GD&T (ASME Y14.5).
• Familiarity with gear and shaft materials and manufacturing processes.
• Experience with gear and transmission design standards.

Responsibilities

• Design and develop gear trains for EV reducers, e-axles, and hybrid transmission systems.
• Conduct gear sizing, ratio selection, strength calculations, and micro-geometry optimization.
• Develop transmission concepts considering efficiency, NVH, packaging, durability, and manufacturability.
• Perform detailed design of helical gear, differential gear sets, bevel gears, splines.
• Collaborate with CAE teams for FEA, mechanical, and durability evaluations.

Skills

Siemens NX

Gear design

Tolerance stack-up

GD&T

ISO 6336/AGMA

Education

Bachelor's degree in Mechanical Engineering

Tools

KISSsoft

KISSsys

Romax

Teamcenter

NX

Catia

3DExperience

Job description

Job Description:

Responsibilities & Key Deliverables

Seeking a skilled Transmission component designer with a minimum of 10 years experience in Gear, shafts and casting component design and managing gear layout. Strong proficiency in Siemens NX 3D modelling and drawing preparation. The ideal candidate to possess foundational knowledge of tolerance stack-up analysis and Geometric Dimensioning and Tolerancing (GD&T).

Design & Development

• Design and develop gear trains for EV reducers, e-axles, and hybrid transmission systems (SHEV)
• Conduct gear sizing, ratio selection, strength calculations, and micro-geometry optimization
• Develop transmission concepts considering efficiency, NVH, packaging, durability, and manufacturability
• Perform detailed design of helical gear, differential gear sets, bevel gears, splines
• Knowledge on Gear testing like Single flank, dual flank tester, EOL NVH limit setting.
• Worked closely with CAE teams for FEA, Mechanical, and durability evaluations.
• Understanding of: Bearings, Shafts, oil seals, lubrication systems
• Strong understanding of Gear theory and design fundamentals , Gear manufacturing processes , Heat treatment methods , Transmission layouts and architectures, Transmission NVH

• Create and optimize designs for Gear, shafts and casting component using NX 3D CAD software.
• Develop detailed 3D models and 2D drawings, ensuring compliance with industry standards and customer requirements.
• Conduct feasibility studies, design calculations, and tolerance stack-up analysis to ensure manufacturability and performance.
• Support product development from initial design through prototyping, testing, and mass production.

Technical Analysis & Simulation

• Perform gear design calculations in accordance with: ISO 6336, AGMA standards, DIN standards.
• Gear strength analysis, contact stress analysis, Bending fatigue analysis, Scuffing and micro-pitting assessments

• Support NVH optimization through gear micro-geometry modifications and tolerance stack-up analysis.

• Hands on experience with gear design software such as: KISSsoft & KISSsys, Romax

• Interpret simulation results and recommend design improvements.

Experience

6 to 10 Years

Qualifications

Bachelor’s degree in Mechanical Engineering or related field (preferred).

General Requirements

• Proficiency in Siemens NX 3D modelling and drawing preparation, including assembly modelling and standards-compliant drafting.
• Basic knowledge of tolerance stack-up analysis and GD&T (ASME Y14.5).
• Familiarity with Gear and shaft materials and manufacturing processes.
• Understanding of DFM/DFA principles and die casting tooling design.

Softwares:

Analysis Software: KISSsoft, KISSsys, Romax,

Cad modelling software: Teamcenter, NX, Catia, 3DExperience

Our commitment to Diversity, Equity, and Inclusion

At Mahindra and Mahindra Limited, we believe that diversity drives innovation, and inclusion is at the heart of everything we do. We are committed to cultivating a workplace where every individual feels valued, respected, and empowered to thrive.

We are proud to be an Equal Opportunity Employer. All qualified applicants will be considered for employment without regard to age, caste, race, religion, color, ethnic origin, gender identity, nationality, physical or mental disability, medical condition, sexual orientation, educational background, marital or domestic partnership status, pregnancy or childbirth, veteran status, citizenship status, ancestry, financial status, or any other personal characteristic protected by applicable law.

We actively encourage candidates from all backgrounds to apply and bring their unique perspectives to our teams. We are committed to ensuring an accessible and inclusive experience for all applicants.

Together, we rise by embracing differences and building a future that reflects the communities we serve.