About Redwood Materials

Redwood Materials was founded in 2017 by JB Straubel, co-founder and former CTO of Tesla, on a simple but radical idea: the critical minerals powering the energy transition already exist. They just need to come back. Today Redwood is the largest lithium-ion battery recycler in North America — recovering, refining, and redeploying critical minerals from end-of-life batteries back into the supply chain. On the energy side, Redwood has deployed the largest second-life battery project in the world, delivering power to AI data centers in months rather than years using proprietary energy architecture engineered entirely in-house. The company is profitable, the market it operates in is projected to grow 20 to 50 times over the next decade, and Redwood is the only company with the supply chain, the technology, and the operational scale to lead it.

Position Summary:

This position is responsible for leading the inventory and cost accounting function, ensuring accurate valuation of raw materials, work in process, and finished goods across recycling and energy operations. The role owns costing, inventory reserves, and variance analysis, and partners with Operations, and FP&A to explain cost drivers and margin performance. This position oversees month-end close activities for inventory and cost of goods sold, maintains the related internal controls, and supports external audit requests. Success in this role requires strong cost accounting knowledge, analytical judgment, and the ability to manage multiple priorities in a fast-paced environment. This role is primarily performed in an office environment.

 

Responsibilities 

• Own the month-end and quarter-end close for inventory and cost of goods sold, including journal entries, account reconciliations, and flux analysis
• Drive process and systems improvement — own inventory transaction discipline (receipts, consumption, scrap, adjustments), and report performance to business leadership.
• Oversee inventory valuation, and excess, obsolete, and lower-of-cost-or-market reserve analyses
• Oversee inventory accounting for battery energy storage systems (BESS), including component and module costing, and valuation of completed systems held for sale or deployment
• Partner with Operations, and FP&A to develop cost models and support product margin, and production analyses
• Maintain and strengthen internal controls over inventory and costing processes and support external audit requests
• Lead, coach, and develop a team of cost accountants and analysts, and drive process and ERP system improvements within the function

 

Skills, Knowledge, and Abilities 

• Bachelor's degree in Accounting, Finance, or a related field; CPA or CMA preferred
• 6+ years of progressive accounting experience, including inventory and cost accounting in a manufacturing environment, with prior experience leading or supervising others
• Working knowledge of US GAAP as applied to inventory valuation, standard costing, and variance analysis
• Experience with ERP and costing systems (e.g., D365, Oracle) and advanced Excel skills, including work with large data sets
• Ability to analyze information, interpret data, and support decision-making and problem-solving
• Strong written and verbal communication skills, with the ability to explain financial results to non-financial stakeholders
• Ability to manage multiple tasks, shifting priorities, and deadlines in a fast-paced environment

The position is full-time. Compensation will be commensurate with experience.

 

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