Cost Accounting Specialist

MOBIS

About The Position

MOBIS North America electrified Powertrain LLC (MNAe) is a Tier 1 supplier of Battery System Assembly (BSA) and Power Electric (PE) Systems, which are vital parts to produce Hyundai/Kia electric vehicles, based on state-of-art manufacturing technology related to battery system assembly. Our Cost Accounting Department is seeking a Cost Accounting Specialist to join our team in Richmond Hill, Georgia. The Cost Accounting Specialist plays an important role in supporting cost accounting activities, maintaining accurate cost data, analyzing manufacturing performance, and ensuring compliance with internal controls, corporate policies, and audit requirements. This role collaborates closely with accounting, operations, purchasing, and manufacturing teams to support cost transparency and strengthen financial processes.

Requirements

Strong understanding of cost accounting principles, inventory valuation, and manufacturing cost flows
Proficiency in MS Office (Excel, Word, PowerPoint)
Experience with standard costing, variance analysis, and cost reporting
Ability to analyze complex data, identify trends, and communicate findings clearly
Strong collaboration skills for working with production, engineering, and supply chain teams
Bachelor's degree in accounting, Finance, Business Administration or a related field

Nice To Haves

Experience in cost accounting within a manufacturing or automotive environment
SAP or other ERP system experience
Working knowledge of GAAP and internal control requirements
CPA, CMA, or similar certification preferred but not mandatory

Responsibilities

Maintain and update standard costs, bill of materials (BOM), routings, and cost roll‑ups within the ERP system
Analyze manufacturing variances, including material usage, labor efficiency, and overhead absorption; prepare monthly variance reports with explanations
Support inventory valuation, cycle count analysis, and reconciliation of inventory discrepancies
Assist with month‑end and year‑end closing activities, including cost accruals, journal entries, and financial reporting
Conduct cost analysis for new products, engineering changes, and model year updates
Partner with production and supply chain teams to evaluate cost drivers and identify opportunities for cost improvement
Monitor and analyze key performance indicators (KPIs) related to manufacturing cost performance
Ensure compliance with internal controls, accounting policies, and audit requirements
Support cost forecasts, budget inputs, and financial models to assist with business planning
Provide cost insights to leadership to support operational decision‑making
A company‑paid business trip to another plant may be required
Training will take a few weeks to become familiar with company ERP systems and cost processes