Staff Accountant

We are looking for a detail-oriented Staff Accountant to support day-to-day accounting operations for a Long-term Contract position based in Ontario, California. This role is ideal for someone who can move comfortably between general ledger work, account analysis, and high-volume accounts payable while maintaining accuracy across multiple entities. The successful candidate will bring strong Excel capability, sound accounting judgment, and the initiative to work independently in a fast-paced environment.Responsibilities:• Manage account reconciliations across multiple business entities, reviewing records from separate file repositories and systems to resolve discrepancies thoroughly.• Support full-cycle accounting activities, including preparing journal entries, maintaining general ledger accuracy, and assisting with period-end close tasks.• Address an initial backlog of accounts payable transactions, including three-way matching and daily processing of a high volume of invoices.• Investigate financial variances by tracing supporting documentation, validating balances, and identifying items that require correction or follow-up.• Use Excel to organize large data sets, analyze account activity, and prepare clear reporting that supports accounting decisions.• Assist with sales tax and corporate tax-related accounting tasks, including gathering data and supporting compliance documentation as needed.• Collaborate with internal teams to confirm invoice details, payment support, and account coding to ensure timely and accurate processing.• Contribute to process improvement efforts, including the effective use of AI-enabled tools that enhance accounting efficiency and accuracy.