Plastics Engineer Sr
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Engineering
Quality Engineering, Manufacturing Engineer, Product Engineer, Process Engineer
Job Description & How to Apply Below
ALTEN Mexico
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
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.
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.
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.
Competitive salary
Benefits above those required by law
Career growth and development plan
Remote work scheme
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