Senior Cost Accounting Manager

About Base

Base is America’s next-generation power company. We’re rebuilding the foundation of modern civilization—electricity—by deploying a vast network of distributed batteries that is transforming today’s fragile, centralized grid into a resilient and abundant system. We are engineers, operators, and creatives solving some of the most complex, interdisciplinary challenges of our time.

About The Role

The Cost Accounting Manager will be responsible for building and scaling the cost accounting function and supporting systems, as well as supporting accounting efforts related to deployed inventory. This role will partner closely with operations, engineering, supply chain, and finance teams to support a smooth production ramp-up and ensure accurate financial data capture throughout the process. Supported by best-in-class technology resources and tools, this position offers a unique opportunity to join at the ground level and shape the systems and processes from the start.

What You’ll Do

• Own and maintain standard cost methodologies for materials, labor and overhead.
• Lead inventory accounting system and process design, including BOM definitions, routings, and item master governance, in partnership with operations and engineering.
• Establish and maintain cost accounting policies and processes in accordance with US GAAP, including the ongoing documentation thereof.
• Collaborate with operations, engineering, supply chain, finance and others to resolve inventory discrepancies and improve internal controls.
• Own inventory valuation, reserves, and capitalization rules for tooling and builds.
• Conduct routine analysis of material and production variances, partnering with operations to identify root causes and recommend improvement opportunities.
• Serve as an educator to the business of key accounting rules and practices in the realm of inventory and costing.
• Maintain a “no job too small” mentality, being able to perform other procedures within the general scope of this role.

What You’ll Bring

• 5+ years of manufacturing and cost accounting experience, including experience managing people and processes.
• Expert knowledge of standard costing, BOM’s, routings, and inventory accounting.
• CMA or CPA, preferred.
• Advanced ERP experience, preferably in Netsuite.
• Advanced skills in Microsoft Office, including excel, word, and powerpoint.
• Strong variance and root cause analysis experience.
• Clear communication skills, demonstrating the ability to partner across functional groups (supply chain, engineering, operations, finance).
• Exposure to energy hardware or other complex assemblies.
• Experience or desire to operate in a high-growth environment.