R&D Technician ; Materials

Overview

As an R&D Technician I (Materials), you’ll support the development, testing, and scaling of advanced photopolymer resins used in Sprint Ray’s 3D printing ecosystem. You’ll collaborate closely with scientists, engineers, and manufacturing teams to bring next-generation dental materials from concept to production. This is 100% on-site, hands-on, lab-based role ideal for individuals with a strong attention to detail, curiosity for materials science, good work ethic (professionalism, integrity, responsibility, and a commitment to quality), and passion for innovation in digital dentistry.

Location:

Huntington Beach, CA
Compensation: $22-$25/hr

• Prepare test resin formulations following Standard Operating Procedures (SOPs) and Bills of Materials (BOMs).
• Manufacture and post-process test samples and prototypes for evaluation.
• Conduct materials characterization and performance testing using a variety of lab equipment.
• Support new material trials and document results accurately in lab notebooks and databases.
• Perform cleaning, routine checks and preventive maintenance of lab equipment.
• Maintaining a clean, safe, and organized lab environment that complies with all safety standards is essential.
• Collaborate with chemists and engineers to improve formulations, mixing processes, and manufacturing efficiency.
• Assist with scaling up lab processes for pilot or production runs.
• Participate in data collection, basic statistical analysis, and reporting of test results.
• Identify opportunities for process improvement in material handling and testing workflows.

• At least 2 years of experience in a lab, R&D, or manufacturing environment involving polymers, coatings, and UV-curable resins.
• High School Diploma or equivalent;
  Associate or Bachelor’s degree in Chemistry, Materials Science, Engineering, or related field preferred.
• Basic understanding of UV polymers and laboratory safety.
• Excellent attention to detail, organizational, and time management skills.
• Strong communication and teamwork abilities.
• Comfortable working with hazardous materials and wearing appropriate Personal Protective Equipment (PPE).
• Self-motivation and being able to work with minimal supervision is essential.
• Eagerness to learn and contribute to innovation is essential.
• Thrive in a fast-paced environment and adapt quickly to changing priorities.

• Experience in dental photopolymers and DLP/SLA 3D printing.
• Experience operating lab mixers and balances to prepare chemical compounds in a laboratory environment.
• Working knowledge of ASTM and ISO test standards.
• Working knowledge of data collection and analysis.
• Experience testing mechanical properties of materials.
• Demonstrated commitment to continuous improvement and product innovation.

Fulltime, Onsite.

Sprint Ray is rewriting the rules of dentistry with technology that’s smart, fast, and designed to make life easier for dental professionals. Since 2014, we’ve been on a mission to deliver the most advanced 3D printing solutions in the industry—combining hardware, software, and materials into one seamless ecosystem.

But what really makes Sprint Ray different is our people. We’re a bold, global team of innovators, problem-solvers, and doers who thrive on pushing boundaries and challenging the status quo. Every product we create is driven by a simple goal: help dentists spend less time on repetitive tasks and more time changing patients’ lives.

Our culture is entrepreneurial, collaborative, and fueled by curiosity. We celebrate diverse perspectives and believe the best ideas can come from anywhere. Whether we’re building next-generation AI tools, designing new materials, or supporting our customers on the front lines, we’re united by the same passion—transforming digital dentistry and having fun while we do it.

At Sprint Ray, the future of dentistry is being printed today. Want to be part of it?

Sprint Ray is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

If you need a reasonable accommodation during the application or interview process, please contact us at