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Administrative Assistant

Job in Costa Mesa, Orange County, California, 92626, USA
Listing for: Robert Half
Full Time position
Listed on 2026-08-11
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Admin Assistant, Virtual Assistant/ Remote Admin, Office Assistant
Job Description & How to Apply Below

Administrative Assistant

We are looking for a motivated Administrative Assistant to join our team in Costa Mesa, California. This long-term contract opportunity is perfect for someone who thrives in an onsite, fast-paced environment and enjoys engaging with clients and team members. The ideal candidate will possess strong organizational skills and the ability to handle multiple tasks efficiently while maintaining a detail-oriented demeanor.

Responsibilities:

  • Serve as the first point of contact for clients by managing receptionist duties and greeting visitors courteously.
  • Provide comprehensive administrative support to internal teams and ensure smooth daily operations.
  • Handle light billing tasks and assist with financial record-keeping using Quick Books and other software tools.
  • Maintain accurate records and perform data entry tasks to support office operations.
  • Collaborate with team members to manage schedules, appointments, and meetings.
  • Utilize Microsoft Office and ADP Total Source software to complete administrative tasks efficiently.
  • Communicate effectively with internal staff and external clients to address inquiries and provide solutions.
  • Assist in organizing office supplies, maintaining a tidy workspace, and ensuring resources are readily available.
  • Demonstrate adaptability by learning new processes and contributing to improvements.
  • Uphold a smart business casual dress code and represent the company in a detail-oriented manner.
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