R&D Engineer, Materials

Position Overview

SprintRay is advancing the field of digital dentistry by offering a unique end-to-end 3D printing solution that integrates innovative technology, advanced materials, clinical education, and dedicated customer support. We are seeking a hands-on R&D Engineer focused on Materials to join our team in Huntington Beach, CA. This role involves developing, testing, and scaling cutting-edge photopolymer resins crucial to our 3D printing platform.

Key Responsibilities

• Innovate and formulate new 3D printing resins and photopolymer systems tailored for digital dental applications.
• Perform manufacturing, characterization, and testing of polymer resins to set standards for future dental product offerings.
• Translate R&D resin formulations into scalable production processes and continuously improve resin manufacturability.
• Optimize resin parameters and establish material standards ensuring quality, usability, and print consistency.
• Document R&D activities through analysis, summarization, and reporting of collected data.
• Maintain workshop cleanliness and organization, ensuring a safe working environment by adhering to established safety procedures.
• Analyze user experience data statistically to enhance product reliability and features.
• Identify major product failure causes and assist quality assurance with manufacturing insights to minimize costs.
• Oversee mechanical workshop functionality and manage R&D inventory levels.

Required Qualifications

• Bachelor’s degree in Materials Science, Chemical Engineering, Manufacturing Engineering, or related fields, or equivalent professional experience.
• Minimum three years' experience in developing, manufacturing, characterizing, and testing polymer or photopolymer resin systems.
• In-depth knowledge of photopolymerization chemistry, resin formulation, and additive manufacturing technologies.
• Hands-on skills in materials characterization, experimental design, and laboratory testing.
• Competency in data collection, analysis, and interpretation to support sound technical decisions.
• Understanding of polymer science including structure-to-property relationships.
• Preferred experience with dental materials, additive manufacturing, or medical device sectors.
• Background in process development, optimization, and continuous improvements.
• Strong analytical mindset with a methodical, data-driven problem-solving approach.
• Excellent organizational capabilities and ability to juggle multiple priorities effectively.
• High attention to detail and dedication to producing accurate, quality work.
• Effective communication skills, both written and verbal, with experience collaborating across diverse teams.
• Ability to work independently and collaboratively in fast-paced research and development environments.

About SprintRay

Since 2014, SprintRay has been revolutionizing dentistry by integrating smart, rapid 3D printing solutions encompassing hardware, software, and materials into one cohesive platform. Our culture is entrepreneurial and collaborative, driven by curiosity, diversity, and innovation. We are dedicated to supporting dental professionals by making their work more efficient and impactful.

Equal Opportunity Employer

SprintRay strongly supports diversity and inclusion and does not discriminate on any legally protected grounds.

Additional Information

This is a full-time, on-site position based in Huntington Beach, California. The salary is between $90,000 and $105,000 per year, depending on experience. Reasonable accommodations are available during the recruitment process upon request.

SprintRay does not accept unsolicited resumes from agencies without prior written consent.