1.5. Cost Accounting Manager

Phoenix Tailings•Burlington, MA

13d

About The Position

Phoenix Tailings is a rapidly growing clean mining and metals production startup dedicated to sustainable and economic critical metals production. Our mission is to be the world's first fully clean mining and metals production company, producing the resources needed for the next generation of our economy. We are seeking a Cost Accounting Manager to own the cost accounting function for our metallization and separation operations. You will build and maintain our standard cost structure, own inventory valuation and overhead allocation, and give operations leaders a clear, trusted picture of what it actually costs us to produce. The ideal candidate has owned cost accounting in a manufacturing environment, is as comfortable on the production floor as in the ledger, and wants to stand up a costing model in a business where the process itself is still being optimized.

Requirements

Bachelor's degree in Accounting, Finance, or a related field; CPA or CMA preferred.
7+ years of cost accounting experience in a manufacturing environment.
Deep expertise in standard costing, variance analysis, inventory valuation, and overhead absorption.
Strong working knowledge of BOMs, routings, and manufacturing operations.
Proficiency with NetSuite ERP or a comparable system; advanced Excel skills.
Experience partnering directly with plant and operations leadership.
Willingness to spend time on the production floor to understand the process behind the numbers.

Nice To Haves

Experience in a startup, scale-up, or greenfield manufacturing environment is a plus.

Responsibilities

Build, maintain, and update standard costs across raw materials, labor, and overhead; own the annual standard cost roll.
Analyze purchase price, material usage, labor, and overhead variances; investigate root causes with operations and report findings to leadership.
Own inventory valuation across raw materials, work in process, and finished goods, including reserves for excess and obsolete inventory.
Design and maintain overhead absorption methodologies across sites and production lines.
Oversee cycle count programs and physical inventory procedures; investigate and resolve discrepancies.
Provide product-level and process-level cost and margin analysis to support pricing, capital, and process decisions.
Work directly with production, engineering, supply chain, and procurement to ensure BOMs, routings, and cost inputs reflect reality.
Own cost-related close activities, reconciliations, and audit schedules.
Support cost accounting on sponsored and government-funded programs.