Cost Accounting Assistant

Robert Half Accountemps • Gardena, CA, United States • Posted May 02, 2026

Location Gardena, CA
Job Type Full-time
Category other-general
Posted May 02, 2026
Description We are looking for a detail-oriented Cost Accounting Assistant to support inventory accuracy and cost tracking within a manufacturing setting in Gardena, California. This Long-term Contract position is ideal for someone who can work part-time while partnering with multiple departments to help maintain reliable cost data and organized financial records. The person in this role will contribute to inventory analysis, cost review, and ongoing process support to help ensure reporting remains accurate and timely.

Responsibilities:
• Oversee cost accounting records and supporting documentation to keep financial and inventory information organized and up to date.
• Examine inventory, labor, and material costs to help maintain accurate product costing across operations.
• Support inventory movement and cost control activities that contribute to timely month-end, quarter-end, and year-end closing processes.
• Analyze production expenses, material usage, and stock...

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