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Administrative Assistant

Robert Half
San Mateo, CA Posted Oct 7, 2026
On-siteUSD 25 - 35 / hour

About this role

Administrative Assistant

Contract & Contract-to-Hire | Robert Half

As we approach the fourth quarter, one of the busiest hiring periods of the year, Robert Half is actively seeking experienced Administrative Assistants interested in contract and contract-to-hire opportunities throughout the Peninsula, San Mateo County, and surrounding areas. Many organizations ramp up hiring efforts toward year-end to support leadership teams, cover leaves, assist with special projects, and prepare for the new year. By joining our network now, you'll be positioned to hear about upcoming opportunities as they become available.

Responsibilities

  • Answer and direct incoming phone calls
  • Manage calendars, schedules, and meeting coordination
  • Prepare correspondence, reports, and documents
  • Maintain filing systems and records
  • Support office operations and administrative projects
  • Process data entry and maintain databases
  • Assist with event planning and meeting logistics
  • Provide excellent customer service to internal and external stakeholders

Preferred Qualifications:

  • 1+ years of administrative, office support, customer service, or clerical experience

  • Strong organizational and multitasking skills

  • Proficiency with Microsoft Office Suite (Outlook, Word, Excel, Teams)

  • Excellent written and verbal communication skills

  • Strong attention to detail and follow-through

  • Ability to adapt in fast-paced office environments

  • Why Connect with Robert Half?

  • Access to exclusive contract and contract-to-hire opportunities

  • Opportunities across a variety of industries

  • Dedicated recruiter support throughout your job search

  • Competitive pay and career-building experience

  • 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.

  • San Mateo, CA

  • onsite

  • Temporary / Contract

  • 25 - 35 USD / Hourly

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