[Hiring] Battery Plastics Engineer @ALTEN MÉXICO

Role Description

ALTEN Mexico is looking for a Plastics Engineer who will support the evaluation and implementation of advanced exterior components and manufacturing technologies and support composite development with HV Battery Housings. The role focuses on lightweight, Class-A-capable systems such as:

• Fascias
• Aerodynamic devices
• Claddings
• Underbody shields
• Closures
• Exterior body panels
• Structural plastic concepts

The engineer will provide expertise in:

• Polymeric and composite materials
• Process selection
• Class-A feasibility
• Design to Manufacturing
• Thermal performance
• Aerodynamics
• Exterior acoustics

📍 Location: Close to Toluca / CDMX (Santa Fe) or able to travel to these locations

🕒 Experience Level: 3+ years

🌐 English: B2–C1

Qualifications

• Bachelor's degree in Mechanical, Materials, Polymer, Manufacturing Engineering, or a related field.
• Minimum 5 years of automotive exterior, plastics, or composites experience.
• Experience with multiple exterior polymers, injection or compression molding, and Class-A automotive components.
• Knowledge of tooling feasibility, painting, bonding, fastening, GD&T, DFMEA, DVP&R, tolerance analysis, and CAD review.
• Preferred: carbon-fiber Class A, low-volume vehicles, SMC/prepreg/autoclave, NX/Teamcenter, CFD, mold-flow, thermal, or aero-acoustic experience.

Requirements

• Evaluate exterior concepts based on performance, appearance, mass, cost, investment, timing, sustainability, and manufacturing feasibility.
• Provide expertise in TPO, TEO, GF-PP, nylon, engineering thermoplastics, SMC, and carbon-fiber composites.
• Assess injection molding, compression molding, thermoforming, vacuum forming, prepreg molding, autoclave processing, bonding, painting, and secondary assembly.
• Lead Class-A feasibility reviews addressing surface quality, part break up, fiber print-through, gloss, warpage, sink, parting lines, draft, gating, and attachments.
• Review CAD, sections, drawings, GD&T, tolerance stack-ups, and component interfaces; support DtM and Design for Assembly reviews.
• Evaluate thermal exposure, solar loading, aerodynamic loads, airflow management, material expansion, wind noise, and aero-acoustic performance.
• Coordinate structural, thermal, CFD, mold-flow, and acoustic analyses; support suppliers, prototypes, tooling trials, validation, and risk closure.
• Develop technology comparisons and recommendations covering cost, mass, investment, maturity, performance, and timing.

Benefits

• Competitive salary
• Benefits above those required by law
• Career growth and development plan
• Remote work scheme