Materials Process Engineer

Diamond Foundry

San Francisco Bay Area0–2 yrs1h agovia LinkedIn

About the Role

Diamond Foundry Inc. is seeking a Materials Process Engineer to join their team in Fremont, CA. This role offers an early-career opportunity to develop and scale processes for a proprietary advanced material from lab experiments to high-volume production. The position requires on-site work 5 days a week.

Key Responsibilities

  • Run moderate-temperature molding processes and assist in designing and fabricating molds, adjusting temperature, pressure, and surface finish to reduce defects.
  • Conduct extrusion trials and measure the impact of temperature, pressure, and die design on flow, surface quality, and dimensional consistency.
  • Characterize the material’s thermal, optical, and flow properties before and after processing, and monitor changes across reuse cycles.
  • Clean and functionalize diamond and glass substrate surfaces (e.g., via plasma treatment) and assess adhesion and interface quality.
  • Execute designed experiments and translate data into process improvements, documenting them in SOPs and adhering to EHS practices for toxic materials.

Requirements & Tech Stack

  • BS or MS in Materials Science, Chemical Engineering, Physics, Chemistry, or a related field.
  • Internship or direct lab experience in glass characterization or molding, preferably with chalcogenide or other specialty glasses.
  • Familiarity with moderate-temperature processing techniques such as glass or polymer molding and extrusion.
  • Experience with 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).
  • Experience using designed experiments and analyzing data in JMP, Python, or Google Sheets.

Compensation & Benefits

  • Salary range: $105,000 - $125,000 per year.
  • Eligibility for company shares.
  • Comprehensive benefits package including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance, and paid/unpaid time away from work.
  • Benefits begin on the first day of employment; medical and vision coverage are retroactive.
  • Employee discounts to VRAI.

Physical Requirements

  • Use appropriate PPE and follow all safety policies and procedures.
  • Ability to: sit, stand for long periods, walk, grasp, reach, lift (below and above shoulders), bend, twist, climb, balance, stoop, squat, kneel, crawl, talk, hear, see, use fine finger manipulation, and complete repetitive motions.
  • Occasional use of ladders or stairs may be required.
  • Some tasks may require driving or the use of foot controls.
  • Ability to lift/carry and push/pull up to 50 pounds.

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