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

📌 1005 Plastics Engineer Sr (Santiago de Querétaro)
🏢 Alten Mexico
📍 Santiago de Querétaro