Plant Controller

Advan Six plays a critical role in global supply chains, innovating and delivering essential products for our customers in a wide variety of end markets and applications that touch people’s lives, such as building and construction, fertilizers, plastics, solvents, packaging, paints, coatings, adhesives, and electronics. Our reliable and sustainable supply of quality products emerges from the vertically integrated value chain of our three U.S. based manufacturing facilities.

Advan Six strives to deliver best-in‑class customer experiences and differentiated products in the industries of nylon solutions, chemical intermediates, and plant nutrients, guided by our core values of Safety, Integrity, Accountability and Respect.

Please view a short video about our company here, Advan Six Video. For more information on Advan Six, please visit our website at

• We provide benefits that are industry competitive and focused on employee well‑being
• Total Rewards program includes a competitive compensation, health, dental, vision & wellness programs, paid vacation, 401K with company matching, health savings programs, disability & life insurance, employee assistance program
• Tuition reimbursement for continued education, certifications, training, and development
• Work within a fast paced and innovative company, meeting passionate colleagues and partners with diverse backgrounds and experiences

The Site (Plant) Controller position serves as a business partner to our manufacturing operations in Bucks, AL, and Portsmouth, VA. This role is ideal for a finance professional with strong manufacturing cost accounting experience who thrives on being close to site operations and influencing business decisions.

As Site Controller, you will ensure site cost and financial accuracy, acting as the primary finance partner to site leadership. Reporting to the Finance Director, you will manage standard costing, inventory valuation, absorption modeling, and variance analysis, and lead site budgeting, forecasting, capital investment, and internal controls.

This role involves working directly with site operations. Your success will be measured by your ability to understand and translate site cost drivers into actionable financial insights that support business decisions, evaluate the financial impacts of investments and operating models at the site and drive overall site performance.

• Direct all site‑level accounting and financial reporting functions in accordance with GAAP, corporate policy, and time requirements.
• Analyze & interpret monthly financial results (P&L, Balance Sheet), including variance and bridge analysis (Price/Volume/Mix) between actual, AOP, and Forecast with supporting commentary.
• Lead the Annual Operating Plan (AOP) and monthly rolling Forecasts; proactively identifying and communicating Risks & Opportunities (R&O) to site leadership, finance director, and FP&A.
• Champion capital expenditure (Cap Ex) analysis, including ROI modeling and post‑implementation audits; ensure rigorous accounting treatment of Cap Ex vs. OpEx spend.

• Own the integrity of standard costs (Materials, Labor, and Overhead), ensuring the Bill of Materials (BOM) and Recipe (Routing/Process) are accurately reflected in the system.
• Ensure accurate inventory valuation, absorption, and manufacturing cost capture.
• Lead detailed root‑cause analysis of PPV (Purchase Price Variance), MUV (Material Usage Variance), labor efficiency, and overhead variances.
• Partner with sites to track and reinforce OpEx spend discipline, monitor GR/IR (Goods Receipt/Invoice Receipt) and AP reconciliations, and optimize cash flow and vendor payment relations.

• Manage inventory valuations, ensuring accurate reserves (obsolescence/slow‑moving) and leading the annual physical inventory process.
• Oversee fixed assets, depreciation, audits, and site‑level controls.
• Lead SOX compliance controls, documentation, and testing.
• Act as primary contact for internal/external auditors.

• Lead site‑level financial reviews, facilitating discussions, and providing…