Senior Gear Design Engineer - Electric Vehicles

Mahindra And Mahindra Limited; Chennai; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Mahindra and Mahindra Limited invites applications for Senior Engineer - Design COE EV. You will lead gear design and development for EV reducers, e-axles and hybrid transmissions, with emphasis on gear trains, helicals, spurs, planetary sets, shafts, and related components.

Role involves rigorous calculations per ISO 6336/AGMA, CAE collaboration, and NVH optimization, along with design validation and manufacturing readiness. 2–5 years experience required; B.Tech/M.Tech/Diploma engineers welcome.

Qualifications

• Gear design calculations as per ISO 6336 / AGMA.
• Experience with gear design software such as: KISSsoft & KISSsys, Romax, Masta (preferred).
• CAD proficiency in NX, 3D experience.
• Understanding of: Bearings, Shafts, Differential systems, Lubrication systems, Transmission NVH.
• Strong understanding of: Gear theory and design fundamentals
• Gear manufacturing processes
• Heat treatment methods

Responsibilities

• Gear design & development for EV reducers, e-axles, and hybrid transmissions.
• Detailed design of Helical Gears, Spur Gears, Planetary Gear sets, Differential Gears, Shafts.
• Gear sizing, ratio selection, strength calculations, and micro-geometry optimization.
• Develop transmission concepts considering efficiency, NVH, packaging, durability, and manufacturability.
• Gear design calculations per ISO 6336 / AGMA / DIN standards.
• Gear strength, contact stress, bending fatigue, scuffing & micropitting analyses.
• Support NVH optimization via gear micro-geometry modifications and tolerance stack-up.
• Gear testing knowledge: Single flank, dual flank tester, EOL NVH limit setting.
• Collaboration with CAE teams for FEA, mechanical & durability evaluations.

Skills

Gear calculations

KISSsoft

KISSsys

Romax

Masta

NX CAD

Bearings knowledge

Shafts & diffs

NVH understanding

Transmission theory

Education

B.Tech / M.Tech / Diploma Engineers

Tools

KISSsoft

KISSsys

Romax

Masta

NX

Job description

Senior Engineer - Design COE EV Responsibilities & Key Deliverables

Gear Design & Development

Design and develop gear trains for EV reducers, e-axles, and hybrid transmission systems (SHEV)

Perform detailed design of: Helical Gears, Spur Gears, Planetary Gear sets, Differential Gears, Shafts and related transmission components

Conduct gear sizing, ratio selection, strength calculations, and micro-geometry optimization

Develop transmission concepts considering efficiency, NVH, packaging, durability, and manufacturability

Analysis & Validation

Perform gear design calculations in accordance with: ISO 6336, AGMA standards, DIN standards

Conduct: Gear strength analysis, Contact stress analysis, Bending fatigue analysis, Scuffing and micropitting assessments

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

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

Experience

2–5 YEARS Industry

Preferred Qualifications

B.Tech / M.Tech / Diploma Engineers

General Requirements

• Gear design calculations as per ISO 6336 / AGMA.
• Experience with gear design software such as: KISSsoft & KISSsys, Romax, Masta (preferred)
• CAD proficiency in NX, 3D experience
• Understanding of: Bearings, Shafts, Differential systems, Lubrication systems, Transmission NVH
• Strong understanding of: Gear theory and design fundamentals
• Gear manufacturing processes
• Heat treatment methods
• Transmission layouts and architectures

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.

Experience Level

Senior Level