Senior Cost Accountant

Loos-; Pomfret (CT); On-site; USD 95,000 - 130,000; Full time

Benefits offered by this job

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

Job summary

Loos & Co in Pomfret, CT seeks a Senior Cost Accountant to lead product costing, variances, and inventory valuation in a manufacturing setting. You will own standard costing, WIP, and finishing the month-end close with cross-functional partners in Operations and Engineering.

The role requires D365 F&O expertise, strong Excel skills, and experience in audit-ready environments. Join a team focused on cost control, process improvement, and accurate financial reporting.

Qualifications

• Bachelor’s degree in Accounting, Finance, or related field.
• 5+ years of cost accounting in a manufacturing environment.
• Hands-on experience with Microsoft Dynamics 365 Finance & Operations (D365 F&O) in costing/manufacturing.
• 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 in audit-reviewed environments.

Responsibilities

• 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 with corrective actions within D365.
• Serve as the Finance SME for D365 F&O costing, inventory, and production modules.

Skills

Cost accounting

D365 F&O

BOMs

Routings

Production orders

Variance analysis

Excel

Audit readiness

Education

Bachelor's degree in Accounting/Finance

Tools

Microsoft Dynamics 365 F&O

Job description

Position Summary / Essential Function

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.

Key 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.

Required Qualifications

• 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.

Technical Skills

• 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.

Key Competencies

• 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

Benefits:

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

Pre-Employment Drug Testing:

All applicants who are offered a job with the company will be tested for drugs as part of the post job offer employment screening process.

Our company is proud to be an Equal Employment Opportunity and affirmative action employer. We celebrate diversity and do not discriminate based on race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability status, or any other applicable characteristics protected by law.