Senior Cost Accountant at Loos & Co., Inc. in LOOS & CO., INC., 16B Mashamoquet Road, Pomfret, Connecticut, United States of America

Job description

• The Senior Cost Accountant is a key member of the Finance team responsible for managing, analyzing, and improving product and inventory costing within a manufacturing environment. This role owns standard costing, variance analysis, work order costing, and inventory valuation accuracy, working closely with Operations, Engineering, and Supply Chain.
• The ideal candidate is experienced in Microsoft Dynamics 365 Finance & Operations (D365 F&O) and understands how operational activity flows through engineering routing, BOMs, production orders, and inventory into financial statements. This position plays a critical role in month‑end close, audit support, and continuous improvement of costing methods and controls.

Responsibilities

• Cost Accounting & Manufacturing Finance
• Own and maintain product costing, including BOMs, routings, labor, overhead, and machine rates in D365 F&O.
• Analyze manufacturing variances (material, labor, overhead, purchase price, production) and partner with Operations and Engineering to explain and resolve drivers.
• Ensure accurate work order and production order costing, including proper closure and issue resolution.
• Monitor and correct inventory valuation, WIP, and manufacturing absorption accounts.
• Identify costing errors and lead root‑cause analysis, including corrective actions within D365.
• D365 Finance & Operations Ownership
• Serve as the Finance subject‑matter expert for D365 F&O costing, inventory, and production modules.
• Maintain and review cost categories, cost groups, shared categories, and ledger postings to ensure accurate financial impact.
• Partner with IT, Engineering, and Operations on system changes, new items, routing updates, and master data governance.
• Support testing and validation of costing changes, upgrades, and process improvements in D365 F&O.
• Month-End Close & Financial Reporting
• Prepare and review month‑end journal entries related to inventory, WIP, labor absorption, overhead absorption, and variances.
• Reconcile inventory and manufacturing balance sheet accounts and maintain supporting schedules.
• Ensure manufacturing costs are accurately reflected in cost of goods sold and gross margin reporting.
• Support internal and external audits with clear documentation, reconciliations, and process explanations.

Requirements

• Bachelor’s degree in Accounting, Finance, or related field.
• 5+ years of cost accounting experience in a manufacturing environment.
• Hands‑on experience with Microsoft Dynamics 365 Finance & Operations (D365 F&O) in a costing and manufacturing context.
• Strong understanding of standard costing, BOMs, routings, production orders, variances, and inventory accounting.
• Advanced Excel skills (variance analysis, reconciliations, large datasets).
• Strong documentation skills and comfort working in audit‑reviewed environments.
• Prior involvement in engineering change orders (ECOs) or operating model changes affecting cost.
• Exposure to internal controls, SOX‑style environments, or external audits.
• Manufacturing experience involving multi‑step production, machine rates, and labor absorption.
• Detail‑oriented with strong analytical judgment
• Comfortable challenging data and asking “why”
• Able to translate operational activity into financial impact
• Strong cross‑functional communicator
• Process‑improvement mindset with system depth

Skills

Required

• Standard costing
• BOMs
• Routings
• Production orders
• Variance analysis
• Inventory accounting
• Advanced Excel
• Documentation
• Audit support

Preferred

• Engineering change orders (ECOs)
• Internal controls
• SOX-style environments
• External audits
• Multi-step production
• Machine rates
• Labor absorption

Benefits

• 401(k) with matching
• Dental insurance
• Employee assistance program
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Referral program
• Tuition reimbursement
• Vision insurance