CATIA, NX and Creo for EV Engineers: Which to Learn First in 2026

Mechanical-engineering candidates for Indian EV roles routinely face the question: 'how strong is your CAD?' The answer depends on the platform — CATIA dominates at premium OEMs, NX at Tata + Mahindra, Creo at most Tier-1s. Picking the right one to invest in first depends on your target employer.

Where each platform is dominant

CATIA (Dassault Systèmes): Mercedes-Benz Research India, BMW India, Volkswagen India, Hyundai Motor India (mixed with NX), Mahindra Racing, premium Tier-1 captives (Continental India + Bosch India for premium-OEM-facing programmes).

NX (Siemens): Tata Motors EV, Mahindra Electric, MG Motor India, Ola Electric (mixed with CATIA), Bajaj Auto, TVS Motor, most ER&D services firms (KPIT, Tata Elxsi, L&T Technology Services). Largest installed base in Indian-OEM EV programmes.

Creo (PTC): most Tier-1 + Tier-2 supplier captives — Sona BLW, Bharat Forge, Motherson, Schaeffler India, Mahle India, Endurance, Tata AutoComp, Sundaram Clayton, plus Ather Energy.

How to pick which to learn first

• Targeting premium-OEM seats? Learn CATIA first.
• Targeting Indian OEMs + most ER&D services firms? Learn NX first.
• Targeting Tier-1 / Tier-2 captives or Ather Energy specifically? Learn Creo first.
• Already strong in one + want to broaden? Add the second platform — the conceptual overlap means the second is 50-60% faster to learn than the first.

16-week learning plan

Weeks 1-4: parametric modelling fundamentals + sketch / extrude / revolve / sweep mastery. Use the official tutorial set — Dassault Companion (CATIA), Siemens Learning Advantage (NX), or PTC Learning Connector (Creo).

Weeks 5-8: assembly modelling + drawing generation + GD&T basics. Build 3 mechanical assemblies of increasing complexity. For EV-specific portfolio, model a simple e-axle housing + a battery-pack tray + a motor stator.

Weeks 9-12: surfacing + Class-A workflows. This is where premium-OEM CAD work lives — the candidates who can do Class-A surfacing are heavily over-represented in senior-band offers.

Weeks 13-16: PLM + collaboration workflows. CATIA + ENOVIA, NX + Teamcenter, Creo + Windchill. Senior-band roles require PLM fluency, not just CAD fluency.

Certifications + portfolio

Official vendor certifications (Dassault CATIA Professional, Siemens NX Certified Designer, PTC Creo Certified Designer) are the gold standard. ~INR 8000-15000 per exam; the cert opens doors at any installed-base employer.

Alternatively: AICTE-approved CADD Centre programmes (60+ centres across India), DIYguru EV-CAD module, Sympacad Systems' OEM-aligned tracks. These are cheaper + bundled with project portfolios that match real production-grade work.

Portfolio matters more than certification: build 3-5 OEM-style EV components in your chosen platform, post them to GrabCAD, and link from your CV. The candidates with public CAD portfolios out-rank the cert-only candidates almost every interview.

Where to go from here

Pick the platform that matches your target employer set, commit 16 weeks to it, get the official certification + build a public portfolio. CAD competency is the most predictable lever for mechanical engineers moving into the senior salary bands — the cert + portfolio combination converts mid-band candidates into senior-band offers with reliability.

Make this real: create a free emobility.careers account to match with EV jobs, see live salary medians and unlock 200+ JD templates. Want hands-on training? Check out the AICTE-approved EV programs at DIYguru — the largest EV academy in India with placement support across OEMs, charging operators and Tier-1 suppliers.