Plant Controller: Cost, Inventory & Forecasting Lead

IRONCLAD Powered by Mersino; Davison (MI); On-site; USD 110,000 - 140,000; Full time

Job summary

IRONCLAD Powered by Mersino in Davidson, MI is seeking a Manufacturing Plant Controller to own and improve financial performance at the facility level. The role combines cost accounting, inventory control, and forecasting to ensure accurate data and clear financial visibility across the plant.

You will translate production activity into financial outcomes, drive corrective actions with operations leadership, and maintain strong controls to support margin and profitability.

Qualifications

• Bachelor’s degree in Accounting or Finance.
• CPA or CMA preferred.
• 5–10+ years of accounting or finance experience.
• 2–3+ years in a manufacturing environment.
• Experience with ERP systems (SAP, Oracle, JD Edwards, or similar).
• Strong Excel and financial modeling capability.

Responsibilities

• Own the cost structure of the plant.
• Establish and maintain standard costs for materials, labor, and overhead.
• Analyze production costs and identify key cost drivers.
• Partner with operations to improve cost efficiency and margin.
• Maintain accurate cost models aligned with plant performance.
• Oversee inventory valuation and reporting (raw, WIP, finished goods).
• Lead cycle counts and physical inventory processes.
• Investigate and resolve discrepancies.
• Maintain strong controls over inventory movement.
• Manage month-end, quarter-end, and year-end close.
• Prepare financial statements and supporting schedules.
• Complete balance sheet reconciliations.
• Deliver timely and accurate reporting.
• Lead annual plant budget development.
• Build monthly and quarterly forecasts.
• Align financial plans with production and volume assumptions.
• Track performance against plan.
• Analyze material, labor, and overhead variances.
• Identify drivers of financial performance.
• Provide actionable recommendations to operations.
• Support continuous improvement initiatives.
• Ensure compliance with GAAP and corporate policies.
• Maintain internal controls and audit readiness.
• Support SOX requirements where applicable
• Enforce financial discipline across processes.
• Support capital planning and ROI analysis.
• Track CAPEX projects against budget.
• Partner with operations on investment decisions.

Skills

Cost accounting

Manufacturing finance

Data analysis

Communication

Education

Bachelor’s degree in Accounting or Finance

CPA or CMA preferred

Tools

SAP/Oracle/JD Edwards

Excel

Job description

IRONCLAD Powered by Mersino in Davidson, MI is seeking a Manufacturing Plant Controller to own and improve financial performance at the facility level. The role combines cost accounting, inventory control, and forecasting to ensure accurate data and clear financial visibility across the plant.

You will translate production activity into financial outcomes, drive corrective actions with operations leadership, and maintain strong controls to support margin and profitability.