Injection Molding Process Engineer

Clayens US LLC, headquartered in San Francisco, CA, is seeking an Injection Molding Process Engineer to drive world-class manufacturing of precision components for our software-enabled production environment. You will develop, optimize, and validate injection molding processes, leveraging data-driven methods and close integration with our digital manufacturing systems. Responsibilities include improving cycle times and quality, leading root cause analysis, and collaborating with design and tooling teams. The culture emphasizes innovation, collaboration, and professional growth, offering long-term career opportunities on impactful, global projects.

Responsibilities

• Develop, optimize, and validate injection molding processes for high-performance components.
• Analyze production data to improve cycle time, quality, and scrap rates using SPC and DOE.
• Collaborate with design, tooling, and software teams to ensure manufacturability and robust process control.
• Lead root cause analysis and corrective actions for molding defects and process deviations.
• Support automation integration and continuous improvement initiatives across molding cells.
• Create and maintain detailed process documentation, work instructions, and validation reports.

Required Skills

• injection molding process developmentscientific molding methodsplastics engineeringprocess validation (IQ/OQ/PQ)statistical process control (SPC)
• CAD for tooling review
• DOE and root cause analysismanufacturing quality systemsautomation and robotics integrationtechnical documentation