What are the responsibilities and job description for the Plant Controller - Manufacturing position at Yewser?
Plant Controller – Marion, South Carolina
About the Company
A long-established and growing plastic injection molding manufacturer, this organization produces complex, high-volume molded components for the automotive, appliance, and consumer products industries. With multiple U.S. facilities and a commitment to customer satisfaction, quality, and continuous improvement, the company is investing heavily in its Marion, SC plant through a major facility expansion and equipment modernization.
The Marion plant is poised for significant growth — and is adding key leadership talent to help drive operational and financial performance to the next level.
Position Summary
The Plant Controller is a key member of the Marion leadership team and serves as the primary financial partner to the General Manager and corporate finance leadership. This position is responsible for all aspects of plant financial management, including cost accounting, budgeting, forecasting, variance analysis, and financial reporting.
The ideal candidate is both strategic and hands-on — comfortable moving between the office and the production floor, translating financial data into operational insight, and working closely with cross-functional leaders to improve cost structure, efficiency, and profitability.
Key Responsibilities
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Own the plant’s P&L, ensuring accurate and timely monthly, quarterly, and annual financial reporting.
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Prepare and analyze standard cost models, manufacturing variances, and margin performance.
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Partner with the Plant Manager, Operations, and Supply Chain teams to identify and execute cost improvement opportunities.
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Lead the annual budget and rolling forecast processes for the plant.
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Manage all aspects of inventory accounting, including cycle counts, reconciliations, and reporting.
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Ensure compliance with GAAP and corporate accounting policies.
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Support internal and external audit processes.
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Monitor capital projects and ensure proper capitalization and depreciation tracking.
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Drive continuous improvement in financial systems, controls, and processes.
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Provide clear, actionable insights to leadership to improve decision-making and operational performance.
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Serve as a financial mentor and resource to operational leaders, promoting accountability and cost awareness.
Qualifications
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Bachelor’s degree in Accounting, Finance, or Business; CPA or CMA preferred.
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5 years of progressive accounting/finance experience in a manufacturing environment, ideally plastics, molding, or industrial production.
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Strong understanding of standard cost accounting, variance analysis, and inventory management.
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Proven ability to analyze plant performance, interpret data, and communicate insights effectively to non-financial stakeholders.
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Proficiency in ERP systems and Excel; experience with cost accounting modules and reporting tools preferred.
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Excellent leadership, communication, and problem-solving skills.
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Hands-on approach — comfortable working closely with both shop-floor and executive-level personnel.
Why Join
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Opportunity to shape the financial foundation of a growing, investment-backed manufacturing site.
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Work directly with an engaged leadership team that values transparency, accountability, and operational excellence.
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Competitive compensation and benefits, with potential for growth within a multi-plant organization.
Location
Marion, South Carolina – On-site role, with close collaboration between plant and corporate teams.