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🥝 Sr. Administrative Assistant

Robert Half Office Team | Costa Mesa, United States | Posted May 01, 2026

Job Description

Description We are looking for a highly organized Sr. Administrative Assistant to support senior leadership and business development operations in Costa Mesa, California. This Contract position is ideal for an experienced, detail-oriented candidate who can manage executive priorities, coordinate complex logistics, and produce high-quality business materials in a fast-paced environment. The role calls for strong judgment, excellent communication, and the ability to keep multiple projects moving while maintaining accuracy and consistency.

Responsibilities:
• Support the President, Vice Presidents, and Business Development team with high-level administrative coordination and day-to-day operational assistance.
• Create and refine presentations, business proposals, reports, and other business documents for leadership review and external use.
• Track open tasks, deadlines, and follow-up items to help ensure commitments are completed accurately and on schedule.
• Monitor ...

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