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Posted August 26, 2026
Robert Half

Sr. Administrative Assistant

Alhambra, CA 91803, US Temporary
Compensation: $22.80 to $26.40 Hourly

We are looking for a highly organized Sr. Administrative Assistant to provide day-to-day support to multiple leaders within a non-profit organization in Alhambra, California. This Long-term Contract position is ideal for someone who can manage competing priorities, coordinate meetings and events, and maintain accurate administrative records in a fast-paced environment. The role will support program operations, stakeholder communication, and documentation management while helping ensure smooth execution of team activities. Bilingual Spanish skills are especially valued for this opportunity.

Responsibilities:
• Provide administrative support to two managers and a director, ensuring schedules, documents, and ongoing priorities are managed efficiently.
• Coordinate virtual meetings, webinars, and stakeholder sessions, including scheduling, preparation of materials, and follow-up with presenters or attendees.
• Assist with vendor invoice processing, contract-related documentation, and accurate data entry to support project activities.
• Maintain organized electronic records, including SharePoint tracking and file management for easy retrieval and compliance.
• Support statewide program administration by preparing materials, organizing information, and responding to operational needs from internal and external stakeholders.
• Manage calendar logistics and conference call arrangements to keep meetings and appointments running smoothly.
• Help organize travel arrangements and related administrative details when needed.
• Prepare and update reports, presentations, and spreadsheets using Microsoft Office tools, especially Excel and PowerPoint.

Qualifications:

• Bilingual fluency in Spanish and English is required.
• Previous experience in a senior-level administrative support role, preferably supporting multiple leaders or departments.
• Strong proficiency in Microsoft Excel and PowerPoint, with the ability to complete skills-based assessments if requested.
• Experience coordinating calendars, meetings, webinars, and conference calls in a detail-oriented setting.
• Ability to maintain accurate electronic files and work with document management platforms such as SharePoint.
• Strong organizational skills with the ability to manage several tasks and deadlines at once.
• Detail-oriented communication skills and the ability to interact effectively with stakeholders, presenters, and internal teams.

Compensation

$22.80-$26.40 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.

Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. 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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