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About LightForce LightForce is leading the digital transformation of orthodontics and redefining the standard of care for patients. Our fully digital, 3D-printed orthodontic platform increases practice efficiency, improves clinical consistency, and enables more predictable treatment outcomes. Unlike traditional stock brackets, LightForce delivers fully customized, patient-specific brackets paired with AI-driven treatment planning—optimizing outcomes at scale. With recent advancements unlocking the next phase of digital orthodontics, LightForce continues to push the boundaries of what’s possible in personalized care. Learn more at www.lf.co Description As the senior technical resource on the maintenance team, the Maintenance Technician III carries full accountability for maintenance program integrity across all shifts. This includes ownership of the calibration program, hazardous waste compliance program, and PM quality standards. This role performs complex diagnosis and repair of furnace systems, compressed air infrastructure, calibrated instrumentation, and facility electrical systems with minimal supervision. The Maintenance Technician III is the first responder to equipment issues, the driver of reliability improvements, and the formal trainer and mentor for Maintenance Technician I and II personnel. This position reports to the Maintenance Supervisor Essential Duties & Responsibilities Lead diagnosis and repair of complex furnace system failures including electrical, thermocouple, atmosphere control, and high-temperature mechanical components Assist in ownership of calibration program. Develop and maintain calibration schedules, perform calibrations, audit documentation, and ensure traceability across all process equipment Serve as technical resource for compressed air system health including predictive monitoring, major overhauls, system efficiency assessment, and vendor coordination Maintain hazardous waste compliance program. Oversee container labeling, accumulation timelines, inspection logs, full MassDEP and RCRA regulatory adherence, and ensure team compliance with all LOTO and confined space entry procedures across all shifts Review, author, and continuously improve PM task lists in CMMS. Validate work order completion quality, close documentation gaps, and maintain accurate records to support management reporting on asset health, downtime, and PM completion rates Perform advanced electrical troubleshooting and repair including panel level work, VFDs, PLCs, 3-phase systems, and control system modifications up to 480V Serve as first responder to equipment issues. Make independent decisions on repair strategy, equipment disposition, and when to engage vendors or engineering Provide formal on-the-job training and mentorship to Maintenance Technician I and II personnel. Maintain training records and serve as a Qualified Trainer for the team Participate in new equipment installations and commissioning activities. Support engineering with facility infrastructure modifications Serve as the primary maintenance point of contact for additive manufacturing and production operations teams. Own the resolution of equipment specific issues affecting the printing process including compressed air systems, environmental controls, and production support infrastructure Help lead root cause investigations for recurring failures, document findings in CMMS, assign corrective actions, and verify effectiveness to prevent recurrence Help enforce SOP compliance, verify documentation completeness, and escalate performance issues to the Maintenance Supervisor Education & Experience High school diploma or GED required; associate’s degree in engineering technology, Industrial Maintenance, or a related technical field is strongly preferred Completion of a state-accredited journeyman or technical school program, or equivalent formal training with demonstrated field proficiency, str