R&D Engineer, Materials

SprintRayHuntington Beach, CA
$90,000 - $105,000Onsite

About The Position

SprintRay is redefining digital dentistry by offering the industry's only complete 3D printing solution, seamlessly integrating cutting-edge technology, advanced materials, clinical education, and dedicated customer support throughout the customer journey. As an R&D Engineer, Materials, you will play a hands-on role in developing, testing, and scaling advanced photopolymer resins that power SprintRay's 3D printing ecosystem. Working closely with scientists, engineers, and manufacturing teams, you'll help bring next-generation dental materials from concept to production through laboratory experimentation, data-driven problem solving, and cross-functional collaboration. This is a fully on-site role ideal for someone with a passion for materials science, innovation, and delivering high-quality solutions for digital dentistry.

Requirements

  • Bachelor's degree in Materials Science, Chemical Engineering, Manufacturing Engineering, or a related discipline (or equivalent practical experience).
  • 3+ years of experience developing, manufacturing, characterizing, and testing polymer or photopolymer resin systems.
  • Strong understanding of photopolymerization chemistry, resin formulations, and additive technologies.
  • Hands-on experience with materials characterization, laboratory testing, and experimental design.
  • Proficiency in collecting, analyzing, and interpreting experimental data to support technical decisions.
  • Knowledge of polymer and materials science principles, including structure-property relationships.
  • Experience supporting process development, optimization, and continuous improvement initiatives.
  • Strong analytical and problem-solving skills with a methodical, data-driven approach.
  • Excellent organizational and time management skills, with the ability to manage multiple priorities.
  • Exceptional attention to detail and commitment to producing high-quality, accurate work.
  • Strong written and verbal communication skills, with the ability to document findings and collaborate effectively across cross-functional teams.
  • Demonstrated ability to work both independently and collaboratively in a fast-paced R&D environment.

Nice To Haves

  • Familiarity with dental materials, additive manufacturing, or medical device products is preferred.

Responsibilities

  • Conduct research to develop new 3D printing resins and photopolymerization formulations for digital dentistry.
  • Manufacture, characterize, and test polymer resins to define requirements for next-generation dental products.
  • Scale up R&D formulations and provide continuous support to resin production and manufacturability improvements.
  • Optimize resin settings and establish materials standards to meet quality, usability, and print consistency requirements.
  • Prepares R&D documentation and reports by collecting, analyzing, and summarizing information.
  • Maintain the cleanliness and organization in workshop area.
  • Follow safety rules and procedures constantly.
  • Collect data and perform statistical analysis on user experience to drive product features and reliability improvements.
  • Monitor top product failure modes and provide manufacturing knowledge to QA to reduce production costs.
  • Maintain a functional Mechanical workshop and maintain inventory level of the R&D department.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service