Administrative Assistant

We are looking for an organized Administrative Assistant to support daily office operations in Costa Mesa, California. This contract opportunity with potential for a permanent position is ideal for someone who is comfortable working on-site in a structured environment and can keep administrative activities running smoothly. The role calls for strong communication, attention to detail, and confidence using Microsoft Office tools to manage a wide range of office support tasks.

Responsibilities:
• Coordinate day-to-day administrative activities to help maintain an efficient and well-organized office environment.
• Prepare, format, and manage business documents, correspondence, and reports using Microsoft Office applications.
• Support scheduling, calendar coordination, and general office communication for internal teams and leadership.
• Maintain office records, track routine administrative tasks, and ensure information is organized and accessible.
• Monitor inventory levels and arrange for office supply purchases to keep the workplace properly stocked.
• Provide front-line administrative support by responding to requests, directing inquiries, and assisting with general office needs.
• Help uphold office procedures and administrative standards while supporting smooth daily operations.

Qualifications:

• At least 2 years of experience in an administrative or office support position.
• Proficiency with Microsoft Office Suite, including Office 365 applications.
• Demonstrated ability to manage multiple priorities with strong attention to accuracy and detail.
• Effective written and verbal communication skills in an office setting.
• Experience supporting administrative operations, document management, and office coordination.
• Ability to work on-site Monday through Friday in Costa Mesa, California.
• Strong organizational skills and a dependable, service-oriented approach to administrative support.

Compensation

$26.60-$30.80 Hourly

About Us

TalentMatch^®

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 roberthalf.gobenefits.net 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.