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About Blue Current Blue Current (the “Company”) is the industry leader in the development of silicon solid state batteries. Free of flammable liquid electrolytes, Blue Current’s fully dry, inherently safe batteries significantly reduce risks to human and environmental health while providing a higher-performance alternative to traditional lithium-ion batteries. Blue Current’s silicon-based platform is highly adaptable, enabling a cost-effective solution for both the mobility and stationary storage markets. Blue Current’s team works out of its state-of-the-art headquarters and pilot line facility in Hayward, California. To learn more about Blue Current, Inc., visit http://bluecurrent.com. Position Summary The Senior Metrology Technician is a technically experienced contributor who independently performs and oversees the full scope of routine metrological measurements and instrument maintenance across Blue Current’s metrology function, while taking on broader ownership responsibilities that extend beyond task execution. In addition to performing calibration and measurement activities across dimensional, optical, surface, electrochemical, X-ray imaging and analytical chemistry instrumentation, the Senior Metrology Technician leads the calibration program, contributes to the improvement of metrology systems and SOPs, trains and guides junior Metrology Technicians, and serves as the primary technical liaison to external instrument service vendors. Working closely with the Metrology Manager, this role is a key source of institutional knowledge and operational continuity for measurement quality at Blue Current. Essential Functions & Responsibilities Operates and maintains optical and vision-based inspection systems, performing scheduled maintenance including cleaning, alignment checks, and software calibration per manufacturer and internal SOP requirements. Operates, maintains, and performs first-level troubleshooting on analytical chemistry instrumentation including Karl Fischer titration, FTIR, Raman spectroscopy, TGA, DSC, and GPC, following SOPs and manufacturer guidelines. Contributes to the development and improvement of metrology SOPs and measurement systems, identifying gaps or inefficiencies and proposing updates that improve reliability, traceability, or throughput. Serves as a point of contact for external instrument service vendors: schedules and coordinates service visits, communicates technical requirements, reviews service reports, and follows up on open corrective actions. Identifies, documents, and escalates instrument anomalies, measurement deviations, and equipment failures to the Metrology Manager, including a complete technical summary of the observed issue and any initial troubleshooting performed. Leads the calibration program for the metrology function: maintains the calibration schedule, ensures all instruments have current calibration status, manages calibration records and labels, and reports program status to the Metrology Manager. Maintains accurate and complete records of all measurement activities, calibration events, maintenance tasks, and vendor interactions. Supports the safe handling, storage, and disposal of laboratory materials and chemical standards associated with metrology activities, following all applicable safety and EH&S protocols. Supports a strong safety culture by adhering to and modeling laboratory safety practices and PPE requirements. Other duties as assigned, consistent with the scope and level of this position. Minimum Qualifications Education Associate’s degree in a technical field, or equivalent hands-on training/experience in an R&D or manufacturing environment. Experience 3+ years of hands-on experience in a technical, laboratory, or precision manufacturing environment (e.g., batteries, semiconductors, medical devices, aerospace, automotive). Demonstrated experience operating multiple categor