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Posted 17 days ago

Materials Process EngineerDiamond Foundry · Bay Area

Materials Process Engineer

Bay AreaOn-siteFull-time

AI Summary

Develops and scales processes for a proprietary advanced material used in diamond manufacturing, running molding and extrusion trials, characterizing material properties, and engineering interfaces with diamond and glass substrates.

About this role

Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

Diamond Foundry is looking for a Materials Process Engineer to help develop and scale processes for a proprietary advanced material used in our diamond manufacturing. You will work hands-on across the process: molding and extruding the material, characterizing its properties, and engineering its interfaces with diamond and glass substrates. It’s a rare early-career chance to take a novel material from lab experiments to high-volume production, working alongside laser, optical, and manufacturing engineers.
This role will be located in Fremont, CA, and will require this candidate to be on-site 5 days a week.

Responsibilities

  • Run moderate-temperature molding processes and help design and fabricate molds, tuning temperature, pressure, and surface finish to reduce defects

  • Run extrusion trials and measure how temperature, pressure, and die design affect flow, surface quality, and dimensional consistency

  • Characterize the material’s thermal, optical, and flow properties before and after processing, and track how they change over reuse cycles

  • Clean and functionalize diamond and glass substrate surfaces (e.g., plasma treatment) and evaluate adhesion and interface quality

  • Run designed experiments and turn the data into process improvements, documenting them in SOPs and following EHS practices for toxic materials

  • Requirements

  • BS or MS in Materials Science, Chemical Engineering, Physics, Chemistry, or a related field; entry-level (0-2 years, internships included)

  • Internship or direct lab experience in glass characterization or molding, ideally with chalcogenide or other specialty glasses

  • Familiarity with moderate-temperature processing such as glass or polymer molding and extrusion, plus surface treatment and safe handling of toxic materials

  • Experience characterizing thermal, optical, and structural properties (e.g., DSC, viscometry, UV-Vis, FTIR, XRD, SEM/EDS), using designed experiments, and analyzing data in JMP, Python, or Google Sheets

  • Skills

    DSCEHSExtrusionFTIRGlass CharacterizationGoogle SheetsJMPMoldingPlasma TreatmentPythonSEM/EDSSOPsUV-VISViscometryXRD

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