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Administrative Assistant

Job in Irvine, Orange County, California, 92604, USA
Listing for: Robert Half
Seasonal/Temporary position
Listed on 2026-06-28
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Admin Assistant, Clerical, Virtual Assistant/ Remote Admin
Job Description & How to Apply Below
Description We are looking for an experienced Administrative Assistant to support daily front-office operations in Irvine, California. This Long-term Contract opportunity is ideal for someone who enjoys creating a welcoming environment, coordinating schedules, and keeping administrative tasks organized and on track. The role combines reception coverage with general office support, requiring strong communication skills, attention to detail, and a detail-oriented approach.

Responsibilities:

- Welcome guests, employees, and clients courteously and ensure each visitor has a positive arrival experience.

- Manage calendars, arrange appointments, and help coordinate meetings and front-desk workflows throughout the day.

- Respond to phone calls and in-person questions promptly, directing inquiries and providing accurate information or assistance.

- Keep the reception and common office areas neat, orderly, and presentable for visitors and staff.

- Perform administrative duties such as data entry, filing, preparing documents, sorting mail, and tracking office supply levels.

- Support office access procedures by monitoring visitor check-in activity and following established security guidelines.

- Operate a multi-line phone system efficiently, transferring calls and taking messages as needed.

- Assist with general clerical projects and provide day-to-day support to help the office run smoothly. Requirements Talent Match®

Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app ()  and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit  for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "Apply Now," you're agreeing to Robert Half's Terms of Use ()  and Privacy Notice () .
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