1005 Plastics Engineer Sr

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