Senior Manager, Supply Chain Planning

🕒 August 14

🏄 California – Remote

🏄 California – Remote

💵 $175k - $195k / year

⏰ Full Time

🟠 Senior

🔗 Supply Chain

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 90 days.
• Jobs at this company usually fill in 57 days.

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Proper Voltage

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2020

🏭 Manufacturing

⚡ Energy

☁️ SaaS

Manufacturing • Energy • SaaS

Proper Voltage is a B2B technology company providing a Battery Operating System (bOS) — a control layer and software platform that bridges advanced battery chemistries and real-world product power systems. The platform enables product manufacturers and battery makers to adopt new battery technologies safely and without hardware redesign or recertification, optimizing energy use, safety, and deployment speed. Proper Voltage focuses on integrating diverse battery chemistries, simplifying certification and integration cycles, and delivering software-driven power management and monitoring for commercial and industrial products.

📋 Description

• Build and own the sales and operations planning process • Stand up a rolling demand forecast with sales and engineering • Build a capacity model covering contract manufacturer throughput, equipment constraints, and cell supply • Run a recurring planning cadence reconciling demand and capacity • Define planning inputs, outputs, review frequency, and decision ownership • Run scenario planning for demand acceleration, supplier slips, and capacity changes • Surface and escalate capacity and supply constraints with options and trade-offs • Own long-lead cell capacity planning with the cell procurement team • Track material availability against the build plan • Own the part shortage list and drive recovery plans to closure • Place and manage purchase orders against forecasts and production schedules • Follow up with suppliers on ship dates and expedite at-risk orders • Run material readiness reviews with contract manufacturers before build events • Partner with sourcing, procurement, and supplier quality on supplier performance, capacity, quality holds, and corrective actions • Help define and hire a dedicated materials execution role and transition day-to-day execution to that role as volume grows

🎯 Requirements

• 7+ years in supply chain planning, S&OP, or demand planning in a hardware or industrial product environment • Direct, hands-on experience standing up an S&OP or demand-capacity planning process from scratch • Experience in an early-stage or resource-constrained company strongly preferred • Experience reconciling demand forecasts against manufacturing or supplier capacity constraints • Hands-on materials execution experience, including purchase order management, supplier expediting, and build readiness tracking • Strong analytical and modeling skills • Ability to build planning tools in Excel or similar without a dedicated planning system • Demonstrated ability to run a cross-functional process aligning engineering, sales, and leadership on a shared plan • Experience in battery, energy storage, power electronics, or other hardware-adjacent categories preferred • Experience planning around long-lead, high-value components such as battery cells or semiconductors preferred • Experience working with a contract manufacturer in a component-direct sourcing model preferred • Experience scaling a company through a steep production ramp preferred • Must be able to work without visa sponsorship

🏖️ Benefits

• Equity • Health, dental, and vision insurance • Flexible PTO • Generous holiday policy • Fully remote option for the right candidate • Occasional travel to contract manufacturers

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