Find & Apply For Office / Administrative Assistant Jobs in Diamond Bar, California

We are looking for an experienced Administrative Assistant to support daily operations for a manufacturing organization in California. This Long-term Contract position is ideal for someone who brings strong coordination skills, clear communication, and an experienced approach to managing schedules, meetings, and office support tasks. The successful candidate will help keep administrative activities organized, provide reliable day-to-day assistance, and contribute to a focused and efficient work environment.

Responsibilities:

• Coordinate calendars, schedule appointments, and manage meeting logistics to ensure leaders and teams stay organized.
• Prepare for meetings by arranging agendas, organizing materials, and confirming timing, attendees, and virtual or onsite details.
• Record key discussion points during meetings and distribute accurate, timely summaries and action items.
• Handle travel planning and event support, including reservations, itineraries, and coordination with internal and external participants.
• Perform basic research and gather information needed to support projects, meetings, and administrative requests.
• Provide phone and email support by responding to inquiries and directing messages to the appropriate contacts.
• Maintain administrative records, enter data accurately, and help keep documentation current and accessible.
• Act as a proactive point of communication by following up on tasks, sharing updates, and anticipating administrative needs.