Rochester Precision Optics LLC seeks an Injection Molding Process Technician to set up, optimize, and troubleshoot injection molding processes for precision optical components in our Manufacturing & Production department. You will perform mold and material changeovers, establish stable processes, monitor part quality, and resolve molding issues to meet strict optical and dimensional requirements. Working in a collaborative, engineering-driven culture, you'll partner with tooling, quality, and manufacturing engineers, contribute to continuous improvement, and support advanced imaging, aerospace, defense, and medical programs using state-of-the-art molding and metrology technologies at our New York facility. Responsibilities Set up, start, and optimize injection molding processes for precision optical components Perform mold changes, material changes, and machine adjustments to meet specifications Monitor part quality using gauges and optical inspection tools; adjust processes as needed Troubleshoot molding, tooling, and material issues to minimize scrap and downtime Document process parameters and maintain standardized work instructions Collaborate with engineering and production teams on new tooling and process improvements Perform routine machine and mold maintenance in coordination with maintenance staff Support continuous improvement, 5 S, and lean manufacturing initiatives Follow safety, quality, and cleanroom/handling procedures for optical components Required Skills Injection molding machine setup and changeover Scientific molding principles (pressure, temperature, fill time) Thermoplastic material handling and drying Tooling and mold maintenance basics Process troubleshooting and root-cause analysis Use of gauges, micrometers, and optical inspection tools Reading technical drawings and process documentation Basic PLC/HMI machine interface operation Statistical process control (SPC) and data collection Adherence to ISO/quality management systems