# 1005 Plastics Engineer Sr

> ALTEN MÉXICO · Santiago de Querétaro, Mexico (Remote) · Full-time · Posted 2026-09-17

**Workplace:** remote

**Department:** Engineering MDC

## Description

ALTEN Mexico, is a leading engineering company that specializes in providing innovative solutions for engineering, technology, and product development projects. We work directly with different industries including Automotive, Energy, Aeronautics, Banking & Insurance, Telecom & Multimedia, and Rail; offering services ranging from project design development to test/validation, programming, implementation, and manufacturing.

ALTEN Mexico as a subsidiary of the ALTEN Group. Currently working with international clients, and we are looking for a **Plastics Engineer** who will contribute to the development of an **Iron Air Battery**, a large-scale energy storage solution, as a plastic component and tooling cost-optimization specialist.

📍 **Location:** Remote  
🕒 **Experience Level:** 5+ years  
🌐 **English:** B2–C1  

### **Key Responsibilities**

-   Review custom plastic components and identify lower-cost materials, geometry, tooling, and manufacturing methods.
-   Develop rotomolded or thermoformed scrubber-vessel concepts with integrated features.
-   Drive supplier DFM reviews and incorporate feasible recommendations into CAD and drawings.
-   Evaluate tooling simplification, part consolidation, assembly reduction, quality risk, and validation needs.
-   Support nonconformance analysis for injection-molded components.

## Requirements

### **Must‑Have Qualifications**

-   Bachelor’s degree in Mechanical, Manufacturing, Materials Engineering, or related field.
-   5+ years of plastics product development, process engineering, tooling, or supplier engineering experience.
-   Experience with injection molding plus at least one of rotomolding or thermoforming preferred.
-   Experience with polymer material selection, tooling, and supplier DFM.
-   Experience in part consolidation, wall-thickness control, draft, ribs, bosses, undercuts, shrinkage, warpage, and tolerance design
-   Working knowledge of plastic part design, tooling economics, DFM, GD&T, and supplier qualification.

-   **English level B2–C1**.

### **Soft Skills**

-   Strong communication and cross‑functional collaboration.
-   Technical leadership and decision‑making capability.
-   Problem‑solving and analytical thinking.
-   Time management and ability to operate under tight deadlines.
-   Detail‑oriented mindset with strong documentation discipline.
-   Supplier coordination and negotiation skills.
-   Continuous improvement and robust design focus.

## Benefits

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

## Apply

[Apply at ALTEN MÉXICO](https://apply.workable.com/alten-mexico-1/j/133F4ADE89/apply)

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