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Posted July 03, 2026
Robert Half

Administrative Assistant

Yorba Linda, CA 92887, US Contract
Compensation: $28.50 to $33 Hourly

We are looking for an Administrative Assistant to support a busy installation and project coordination team in California. This contract opportunity is ideal for someone who is organized, comfortable working with data, and confident communicating with customers in a clear and courteous manner. The person in this role will help keep reporting, order tracking, and billing updates accurate while supporting day-to-day coordination across active projects.

Responsibilities:
• Prepare and maintain reports in Microsoft Excel to provide the installation team with timely project information and status updates.
• Serve as a point of contact for customers by responding to questions related to purchase orders, project progress, and invoice details.
• Track purchase order activity and help ensure documentation is complete, accurate, and properly recorded.
• Assist with invoice processing by reviewing customer billing information and updating records as needed.
• Coordinate administrative support for project coordinators to help keep installation schedules and related tasks organized.
• Communicate project-related updates clearly to customers and internal team members to support smooth day-to-day operations.
• Organize construction-related documents and maintain accurate administrative records for ongoing jobs.

Qualifications:

• Prior experience in an administrative support role, preferably within a project-based or fast-paced team environment.
• Strong Microsoft Excel skills with the ability to create, update, and manage reports efficiently.
• Excellent customer service and communication skills, with the ability to handle inquiries professionally.
• Experience working with purchase orders, invoice entry, or customer billing documentation.
• Strong attention to detail and the ability to manage multiple tasks with accuracy.
• Comfort using technology and learning team tools and systems quickly.
• Experience in the construction industry or familiarity with construction documents is strongly preferred.

Compensation

$28.50-$33.00 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.

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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.

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