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ADDITIVE MANUFACTURING DESIGN ENGINEER
About the Role
Responsible for the end-to-end design of sand molds and cores, including feeding and gating systems, for centrifugal pump castings produced on our ExOne S-Max binder jet printer. You will run solidification simulations, collaborate with internal foundry teams and external partners, and continuously improve casting yield and quality.

Key Responsibilities

Review the engineering dispatch list to prioritize and complete job orders within the quoted time frame.

Design 3D sand molds and cores for binder jet additive manufacturing using the ExOne S-Max platform.

Generate detailed design sheets for each mold and core package to facilitate metal pouring and assembly at any foundry.

Calculate and design feeding and gating systems prior to casting simulation and 3D printing.

Perform casting solidification simulations on all mold packages to guarantee castability and minimize defects.

Collect critical process feedback from foundry partners to improve casting yield and refine simulation parameters, reducing NCMRs and scrap.

Optimize mold and core designs to maximize utilization of the printer job box volume, reducing print costs.

Follow up on internal and external NCMRs; implement engineering design changes to 3D models to ensure product quality.





Support the Process Engineer with print job preparation, machine start-up, and routine maintenance.

Support the Process Engineer in reviewing laboratory test bar results to improve existing machine recipes.

Research and expand the supplier base for raw materials (silica sand, resins, activators, cleaners, and related additives).

Qualifications & Requirements

Languages: Spanish — Native | English — Intermediate (written and spoken).

Education: Bachelor's degree in Mechanical, Metallurgical, Materials Engineering or (or related field).

Experience: Minimum 2 years in a foundry process roles, fusion, foundry engineering preferred.

Gating & Risering Design

Metallurgy & Casting Processes

CAD Modeling (3D)

Casting Simulation Software

Foundry Process Knowledge

Binder Jet / Sand AM Printing

Strong analytical thinking and structured problem-solving

Excellent communication skills — able to convey technical details clearly to foundry and engineering teams

Highly organized with effective time management and ability to handle multiple concurrent job orders

Team-oriented with a collaborative work style; comfortable interfacing cross-functionally

Results-driven mindset with a focus on continuous improvement

At Ruhrpumpen, we value every employee, recognizing that each person contributes to our success through their position. We are a growing team, join us and live Rurhpumpen!

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📌 Additive Manufacturing Design Engineer (Centro)
🏢 Ruhrpumpen
📍 Centro