Administrative Assistant

We are looking for a dependable Administrative Assistant to support daily office operations in Costa Mesa, California. This contract-to-permanent position is ideal for someone who enjoys keeping a workplace organized, welcoming, and running efficiently while providing administrative support across a busy office. The person in this role will serve as a key point of contact for front desk activity, office coordination, and staff support, helping ensure meetings, supplies, records, and day-to-day requests are handled smoothly.

Responsibilities:
• Oversee front desk and general office activities, creating a well-organized and welcoming environment for employees, clients, and visitors.
• Maintain inventory for office materials, kitchen items, and refreshments by tracking usage, placing orders, and restocking deliveries.
• Handle incoming, outgoing, and internal document flow, including preparing mailings and coordinating trips to postal and courier locations when needed.
• Support file organization and tax-related document administration by maintaining accurate records and ensuring materials are properly routed and stored.
• Coordinate workspace logistics for employees, including badges, keys, and other office access or seating needs.
• Provide first-level assistance for minor technology issues and connect staff with appropriate support teams for more complex needs.
• Organize meeting, training, and event logistics by arranging rooms, preparing materials, managing food orders, and assisting with setup and cleanup.
• Inspect conference rooms regularly to confirm they are clean, stocked, functional, and ready for upcoming schedules.
• Process and reconcile meal-related receipts and similar administrative expenses with accuracy and timeliness.
• Respond proactively to daily administrative requests and assist with special assignments or office projects as directed by leadership.

Qualifications:

• At least 2 years of administrative, office support, or receptionist experience in a detail-focused environment.
• Strong working knowledge of Microsoft Office applications, including Word, Excel, Outlook, and PowerPoint.
• Clear written and verbal communication skills with the ability to interact effectively across all levels of an organization.
• Demonstrated ability to manage multiple priorities, stay organized, and maintain close attention to detail.
• Comfortable working independently while also contributing effectively as part of a team.
• Resourceful and proactive approach to problem-solving, with a willingness to take ownership of tasks and follow through.
• Detail-focused demeanor with a positive attitude and strong customer-service mindset.
• Ability to lift and move office supplies or materials weighing up to 40 pounds on a regular basis.

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.