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Administrative Office Assistant

Job in Brea, Orange County, California, 92821, USA
Listing for: Robert Half
Full Time, Seasonal/Temporary position
Listed on 2026-06-19
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Admin Assistant, Clerical, Office Assistant
Job Description & How to Apply Below
Description

Administrative Office Assistant (Temp-to-Hire)

Location:

Brea, CA

Schedule:

Monday-Friday, 8:00 AM-5:00 PM (Onsite)

Employment Type:

Temporary-to-Hire

A well-established and highly respected CPA firm in Brea is seeking a dependable Administrative Office Assistant to join their team. This is an excellent opportunity for a professional who values stability, enjoys supporting a busy office environment, and takes pride in following through on responsibilities with accuracy and consistency.

Key Responsibilities

+ Answer and direct incoming phone calls in a professional manner

+ Greet clients and visitors while providing exceptional customer service

+ Manage incoming and outgoing mail, packages, and correspondence

+ Schedule appointments and maintain calendars for accounting staff

+ Prepare, organize, scan, and file client documents and records

+ Assist with data entry and updating client information in company databases

+ Support tax season administrative projects and document management

+ Order and maintain office supplies and coordinate vendor requests

+ Assist with special projects and general office support as needed

+ Ensure confidentiality of client and financial information

We are looking for someone who:

+ Is dependable and committed to long-term employment

+ Consistently follows through on assigned tasks and responsibilities

+ Takes ownership of their work and pays close attention to detail

+ Thrives in a structured office environment

+ Is proactive, organized, and willing to assist wherever needed

+ Enjoys being part of a collaborative and professional team

Requirements

+ 2+ years of administrative, office assistant, receptionist, or customer service experience

+ Strong organizational skills and attention to detail

+ Proficiency in Microsoft Office Suite, including Outlook, Word, and Excel

+ Excellent verbal and written communication skills

+ Ability to prioritize tasks and meet deadlines

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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