Administrative Assistant

Robert Half Office Team • Irvine, CA, United States • Posted June 03, 2026

Location Irvine, CA
Job Type Full-time
Category other-general
Posted June 03, 2026
Description We are looking for an Administrative Assistant to join a growing team in Irvine, California on a contract basis with the potential for a permanent position. This onsite role supports daily office operations while also handling core bookkeeping tasks in QuickBooks Desktop, making it ideal for someone who is organized, detail-oriented, and comfortable balancing administrative and financial responsibilities. The person in this position will help keep the office running smoothly, provide support to leadership, and contribute to efficient coordination across day-to-day business activities.

Responsibilities:
• Manage day-to-day bookkeeping activities in QuickBooks Desktop, including invoice entry and support for accounts payable and accounts receivable functions.
• Assist with payroll-related administrative tasks, track business expenses, and prepare routine financial and operational reports for leadership review.
• Welcome visitors, answer inbound calls, respon...

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