Supplier Quality Manager

Please note that we are unable to provide visa sponsorship for this position. Recruiting agencies: Proper Voltage does not accept unsolicited candidate submissions. Please do not contact any employees directly unless you have an existing engagement with the company. About Proper Voltage Proper Voltage is unlocking the next generation of battery technology across robotics, data centers, and defense. We're building intelligent battery systems that make advanced chemistries (sodium-ion, lithium-titanate, lithium-silicon) work in products that were never designed for them. Humanoid robots can upgrade power systems without redesigning their entire platform. Data centers get safer, cheaper backup power. Drones and autonomous vehicles get higher energy density without lengthy integration cycles. If you want to work on hard engineering problems that matter this is the place. Job Overview The Supplier Quality Manager owns Proper Voltage 's proactive supplier quality function. This role builds the discipline that keeps supplier problems from reaching our contract manufacturer's line: qualification audits, PPAP, APQP, supplier scorecards, and supplier development programs across mechanical, electrical, and cell suppliers. This role reports to the Director of Supply Chain and works closely with the VP of Supply Chain, the sourcing team, engineering, and our contract manufacturer's quality team. A Supplier Quality Engineer will report to this role to handle reactive quality events (incoming inspection, supplier CAPAs, first article inspection). Together, this function covers both sides of the quality equation: preventing supplier issues before they happen and containing them fast when they do. We are building this function now because the operational workload is real. The supplier base is growing across all commodity categories, hardware programs are moving from prototype into production, and the cost of a supplier quality escape scales with volume. This role is the anchor for b