Manufacturing Cost Accountant — SAP & Inventory

Oldcastle Infrastructure; Colfax (IA); On-site; USD 75,000 - 90,000; Full time

Job summary

Oldcastle Infrastructure, a CRH company, is seeking an Inventory & Cost Accountant for its Water Transmission operations. You will own inventory accounting across plants, reconcile SAP subledgers, and build a robust cost framework to improve margin visibility.

The role requires 3+ years in manufacturing cost or inventory accounting, strong SAP (CO-PC/MM/PP) and advanced Excel skills, and the ability to partner with plant operations and finance to drive accurate cost data and timely closes.

Qualifications

• Bachelor's degree in Accounting, Finance, or related field.
• 3+ years of cost or inventory accounting in manufacturing.
• Experience with standard costing, inventory valuation, and variance analysis under US GAAP.
• Hands-on SAP experience (CO-PC, MM, PP) or equivalent ERP.
• Advanced Excel; Power BI/HFM experience a plus.

Responsibilities

• Own monthly inventory accounting for raw materials, WIP, and finished goods, including reconciliation of the SAP inventory subledger to the general ledger.
• Coordinate physical inventory counts and cycle count programs with plant teams; investigate count variances and record adjustments.
• Prepare inventory reserve analyses, including excess and obsolete and lower of cost or net realizable value, to support balance sheet accuracy.
• Monitor inventory valuation, aging, and turns, and flag slow-moving or at-risk inventory to operations and supply chain.
• Maintain standard costs in SAP, including bills of material, routings, and activity rates, and support the annual standard cost roll and inventory revaluation.
• Prepare monthly manufacturing variance analysis (purchase price, material usage, labor, overhead absorption, yield, and scrap) and explain the operational drivers behind results.
• Perform process and production order settlement, WIP, and variance postings within SAP, and review cost estimates for accuracy.
• Analyze resin and raw material cost movements and quantify their impact on product cost and margin.
• Prepare journal entries, accruals, and account reconciliations for inventory, cost of goods sold, and manufacturing overhead within close deadlines.
• Maintain compliance with CRH financial controls and audit requirements, and support internal and external audit requests.
• Maintain the integrity of cost master data, including cost centers, material master costing views, and activity types.
• Identify opportunities to reduce manual workarounds and spreadsheets, and support system-based solutions and SAP enhancements.
• Partner with plant managers, production, and supply chain to ensure production reporting, material consumption, and scrap are recorded accurately and on time.
• Provide cost analysis and modeling to support pricing, capital requests, process improvements, and margin management.
• Translate cost results into practical insights for non-finance stakeholders, building credibility through regular engagement and on-site presence.
• Support plant teams in adopting new costing processes and tools as the cost accounting framework is implemented.

Skills

Inventory accounting

Cost accounting

US GAAP knowledge

Attention to detail

Communication

Education

Bachelor’s degree in Accounting/Finance

Tools

SAP CO-PC MM PP

Excel

Power BI

HFM

Job description

Oldcastle Infrastructure, a CRH company, is seeking an Inventory & Cost Accountant for its Water Transmission operations. You will own inventory accounting across plants, reconcile SAP subledgers, and build a robust cost framework to improve margin visibility.

The role requires 3+ years in manufacturing cost or inventory accounting, strong SAP (CO-PC/MM/PP) and advanced Excel skills, and the ability to partner with plant operations and finance to drive accurate cost data and timely closes.