Optical Engineer – Automotive Exterior Lighting

L&T Technology Services Limited; Guanajuato; Hybrid; MXN 350,000 - 550,000; Full time

Benefits offered by this job

Competitive salary based on experience

Full-time employment contract

Statutory benefits

Job summary

L&T Technology Services Limited in Guanajuato, Mexico, is seeking Optical Engineers with automotive exterior lighting experience to support design, simulation, and validation of headlamp and lighting systems.

Candidates should have 3–5 years in automotive lighting optical design, a degree in optical engineering or related field, and English at an advanced conversational level. The role is hybrid in Guanajuato, with relocation as needed.

Qualifications

• Bachelor’s or Master’s degree in Optical Engineering, Physics, Photonics, Mechanical Engineering, or related field.
• 3–5 years of automotive lighting optical design experience.
• Advanced English conversational level.

Responsibilities

• Design and simulate headlamp and exterior lighting systems.
• Validate optical performance per automotive standards and regulatory requirements.
• Collaborate with cross-functional teams (mechanical, electrical, manufacturing) to ensure feasibility and manufacturability.

Skills

Automotive lighting design

English communication

Ray tracing & photometric analysis

Optical simulation tools

3D CAD (CATIA or similar)

Regulatory knowledge (ECE/SAE/FMVSS)

Optical materials & tolerances

Education

Bachelor’s or Master’s degree in Optical Engineering, Physics, Photonics, Mechanical Engineering, or related field

Tools

LucidShape

Ansys Speos

ZEMAX

LucidDrive

CATIA

Job description

We are looking for Optical Engineers with experience in automotive exterior lighting to support the design, simulation, and validation of headlamp and lighting systems.

Key Requirements:

• 3–5 years of automotive lighting optical design experience
• Bachelor’s or Master’s degree in Optical Engineering, Physics, Photonics, Mechanical Engineering, or related field
• Advanced English Conversational Level
• Located in Guanajuato or able to move there, Hybrid position.

Key Knowledge:

• Experience with light guides, lenses, reflectors, microstructures, and thick-wall optics
• Optical simulation using LucidShape, Ansys Speos, ZEMAX, LucidDrive, or similar
• Working knowledge of CATIA or other 3D CAD tools
• Experience with ray tracing, photometric analysis, simulation, and validation
• Knowledge of ECE, SAE, FMVSS, and homologation requirements
• Understanding of optical materials, tolerances, mechanical feasibility, and industrialization

What We Offer:

• Competitive salary based on experience
• Full-time employment contract
• Statutory benefits