Skip to main content
Posted July 14, 2026
Robert Half

Administrative Assistant

Orange, CA 92867, US Contract
Compensation: $22.16 to $25.66 Hourly

We are looking for an Administrative Assistant to support payroll coordination, data management, and day-to-day office operations for a team based in Orange, California. This contract opportunity with potential for a permanent position is ideal for someone who is highly organized, comfortable working with detailed records, and confident handling sensitive employee information. The role will focus on maintaining accurate payroll documentation, assisting with compliance-related tasks, and providing dependable administrative support across multiple functions.

Responsibilities:
• Support weekly payroll activities by reviewing time records, confirming reported hours, and preparing information for processing
• Compile and organize payroll details from multiple Excel files to maintain accurate and up-to-date reporting
• Monitor employee hours by project or job site and keep supporting records properly documented
• Enter payroll and employee data into company platforms while checking entries for completeness and accuracy
• Maintain payroll files, compliance documents, and related administrative records in an orderly manner
• Assist with certified payroll reporting, garnishment paperwork, and follow-up on outstanding labor compliance items
• Communicate with internal staff to resolve missing timesheets, payroll discrepancies, or incomplete documentation
• Help update wage rates, provide backup coverage for team members when needed, and contribute to general office reporting and administrative support

Qualifications:

• At least 2 years of experience in administrative support, payroll support, or related office operations
• Proficiency in Microsoft Excel, including working with spreadsheets used for data tracking and reporting
• Ability to perform detailed data entry with a high level of accuracy and consistency
• Experience handling confidential employee or payroll information with discretion and professionalism
• Strong organizational skills with the ability to manage records, documents, and multiple priorities effectively
• Clear communication skills for coordinating with internal teams and resolving missing or incomplete information
• Familiarity with general administrative office duties, including reception or inbound call support, is preferred

Compensation

$22.16-$25.66 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.

Sign up for Job Alerts