Sr. Cost Accountant

About Tosoh Quartz

Tosoh Quartz is a global leader in high-precision silica glass products, where innovation and quality drive our success in the semiconductor industry. As part of the diversified Tosoh Corporation family, our teams in the US and the UK collaborate across continents to deliver cutting-edge semiconductor industry solutions through advanced engineering and a commitment to continuous improvement. With over 300 dedicated employees and a reputation for excellence, we offer a dynamic environment focused on developing new products, fostering professional growth, and shaping the future of technology.

Position Summary

The Senior Cost Accountant is responsible for maintaining accurate, GAAP‑compliant manufacturing cost and inventory accounting for Tosoh Quartz Inc. This role serves as the primary owner of standard costs, inventory valuation, and cost‑related internal controls, ensuring financial results accurately reflect manufacturing activity.

This position is a hands‑on, senior individual contributor role requiring prior experience in manufacturing cost accounting, including standard costing, inventory reserves, variance analysis, and audit support. The Senior Cost Accountant partners closely with Operations, Engineering, and Finance leadership to reconcile system data with shop‑floor activity and reduce financial and audit risk.

Key Responsibilities

Costing, Inventory, and Manufacturing Accounting

• Own the calculation, review, and posting of inventory reserves, including excess, obsolete, and slow‑moving inventory (SLOB), in accordance with GAAP and company policy.
• Prepare and post related month‑end journal entries to ensure accurate valuation of inventory and cost of goods sold.
• Execute and maintain standard costs, including participation in the annual cost roll process; ensure accuracy of bills of material (BOMs), labor routings, and overhead rates.
• Validate material, labor, and overhead standards against current production practices and pricing.

Inventory Control, WIP, and Variance Analysis

• Lead month‑end inventory and WIP reconciliations, including support for long‑cycle and complex manufacturing processes.
• Support annual physical inventories and ongoing cycle count programs; investigate and resolve inventory variances.
• Analyze manufacturing variances, including purchase price variance (PPV), labor efficiency, overhead absorption, yield loss, and scrap.
• Clearly communicate variance drivers and financial impacts to operations and finance leadership.

Reporting, Controls, and Audit Support

• Prepare cost and margin analyses by product line and customer to support pricing, planning, and operational decision‑making.
• Maintain documentation and internal controls over inventory and cost accounting processes.
• Serve as the primary cost accounting contact for external auditors; prepare inventory and costing schedules and support audit inquiries.

Cross‑Functional Collaboration

• Work closely with Engineering and Operations to ensure costing accurately reflects production processes, yields, and material usage.
• Participate in financial evaluation of process improvements, equipment investments, and engineering changes from a cost and inventory perspective.
• Provide reliable cost data to FP&A and Finance leadership as needed for forecasting and planning.

Knowledge, Skills, and Abilities

• Strong understanding of manufacturing cost accounting and inventory valuation under GAAP.
• Comfortable working deeply in transactional detail and complex reconciliations.
• Ability to translate manufacturing data into clear, defensible financial results.
• Proven ability to work cross‑functionally with operations and engineering.
• Organized, detail‑oriented, and able to independently manage month‑end responsibilities.
• Professional judgment appropriate for a senior individual contributor supporting audit‑sensitive areas.

Minimum Qualifications

• Bachelor's degree in accounting or finance.
• 5+ years of accounting experience in a discrete manufacturing environment, with at least 3 years focused on cost accounting.
• Direct, hands‑on experience with manufacturing cost accounting, including inventory valuation, standard costing, and variance analysis.
• Prior responsibility for inventory reserves (SLOB/obsolete) and related journal entries.
• Experience supporting audits related to inventory and cost accounting.
• Advanced Excel skills, including data analysis using pivot tables and complex reconciliations.
• Experience using ERP systems with inventory and costing modules (e.g., SAP, Oracle, Acumatica, Sage, IFS).

Preferred Skills and Experience

• CPA or CMA certification.
• Experience in high‑tech manufacturing, semiconductor, materials processing, or similarly complex production environments.
• Experience participating in ERP costing implementations, process improvements, or internal control enhancements.

Why You'll Love Working at Tosoh Quartz

Located in the beautiful Pacific Northwest, Tosoh Quartz offers a comprehensive benefits package designed to support your health, financial well‑being, and long‑term growth, including:

• Comprehensive health and wellness benefits
• $500 annual wellness reimbursement
• 401(k) with Company match
• Generous PTO accrual and 10 paid holidays
• Tuition reimbursement
• Dependent scholarship and education assistance
• Columbia Sportswear Employee Store access
• Additional perks that make Tosoh Quartz a great place to build your career

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Please note: All applicants who receive a conditional offer of employment will be required to successfully complete pre-employment drug and background screenings.