Sr. Manager of Cost Accounting

Valar Atomics

Valar Atomics

Accounting & Finance

Hawthorne, NJ, USA

USD 160k-230k / year

Posted on Apr 14, 2026

The Company

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.

The Role

We are looking for an experienced Inventory & Cost Accounting Manager to support our production accounting function. This is a ground-floor opportunity to help build and implement our inventory management and manufacturing accounting processes from the ground up. In this role, you will help establish accounting policy and procedure, contribute to financial systems decisions, and serve as a knowledgeable resource for the business on inventory-related matters.

Key Responsibilities

Own the full cost accounting cycle, including standard costing, variance analysis, inventory valuation, and produced asset reporting
Lead all inventory and manufacturing-related month-end and year-end close activities, including physical counts, E&O analysis, cost reviews, among others
Drive the initial implementation of inventory management and manufacturing accounting processes from the ground up
Evaluate, select, and implement financial and inventory management systems, partnering with Finance Systems and IT to ensure ERP configurations reflect manufacturing and costing workflows
Establish, document, and maintain production accounting policies and procedures in alignment with GAAP and internal controls
Maintain and refine standard costs, BOM reviews, and overhead allocation methodologies
Analyze manufacturing variances and communicate findings and recommendations to operations and finance leadership
Improve and maintain inventory accuracy through cycle count programs, reconciliation workflows, and write-off/reserve policies
Serve as the primary subject matter expert on inventory accounting for the broader organization
Develop and deliver training and guidance to cross-functional partners across Operations, Procurement, and Supply Chain

Basic Qualifications

Bachelor's degree in Accounting, Finance, or a related field; CPA or CMA preferred
6–10+ years of progressive accounting experience, with significant focus on cost and inventory accounting in a manufacturing and construction environment
Deep understanding of standard costing, inventory valuation methods (STD vs. Wtd Avg vs. FIFO), and manufacturing cost flows
Demonstrated ability to lead, communicate effectively across business functions, and influence leadership.
Experience establishing or overhauling accounting policies and internal controls
Hands-on experience with ERP systems (e.g., SAP, Oracle, NetSuite, Microsoft Dynamics) in a manufacturing context
Strong analytical skills with the ability to interpret and communicate complex financial data

Preferred Skills & Experience

Experience participating in or leading a financial systems selection or implementation
Exposure to lean manufacturing or operational finance environments
Experience with large scale construction projects
Experience with multi-site or multi-entity manufacturing operations
Advanced Excel skills; familiarity with BI tools (Tableau, Power BI, or similar)
Salary
$160,000$230,000 USD