We are looking for an experienced Executive Assistant to support senior leadership in a high-visibility contract position based onsite in Costa Mesa, California. This five-week assignment requires someone who can manage schedules, coordinate meetings and travel, and communicate effectively in both written and verbal interactions. The ideal candidate is organized, discreet, and confident handling day-to-day executive support in a fast-paced office environment. Responsibilities: • Manage complex calendars for executive leadership, including scheduling internal and external meetings and adjusting priorities as needs change. • Coordinate travel logistics such as itineraries, bookings, and related arrangements to ensure smooth executive travel plans. • Prepare for meetings by organizing agendas, tracking schedules, and attending sessions to capture key details and support follow-up actions. • Draft clear handwritten and written correspondence for clients, business contacts, and personal outreach on behalf of executives. • Serve as a dependable onsite partner by handling daily administrative needs with strong judgment and attention to presentation. • Use Microsoft Office and Zoom to create documents, manage communications, and support virtual and in-person meetings effectively.

• At least 3 years of experience providing executive-level administrative support. • Strong background managing calendars, coordinating meetings, and handling shifting priorities with accuracy. • Experience arranging business travel and overseeing related scheduling details. • Proficiency with Microsoft Office applications and Zoom. • Excellent written and verbal communication skills, including the ability to produce clear and effective correspondence. • Detail-oriented approach and discretion for a role with regular exposure to senior stakeholders. • Ability to work fully onsite in Costa Mesa, California for the duration of the five-week contract assignment.

<h3 class="rh-display-3--rich-text">TalentMatch®</h3> 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. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> 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 <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> 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 <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.

Costa Mesa, CA
onsite
Temporary / Contract
45.6 - 52.8 USD / Hourly
We are looking for an experienced Executive Assistant to support senior leadership in a high-visibility contract position based onsite in Costa Mesa, California. This five-week assignment requires someone who can manage schedules, coordinate meetings and travel, and communicate effectively in both written and verbal interactions. The ideal candidate is organized, discreet, and confident handling day-to-day executive support in a fast-paced office environment. Responsibilities: • Manage complex calendars for executive leadership, including scheduling internal and external meetings and adjusting priorities as needs change. • Coordinate travel logistics such as itineraries, bookings, and related arrangements to ensure smooth executive travel plans. • Prepare for meetings by organizing agendas, tracking schedules, and attending sessions to capture key details and support follow-up actions. • Draft clear handwritten and written correspondence for clients, business contacts, and personal outreach on behalf of executives. • Serve as a dependable onsite partner by handling daily administrative needs with strong judgment and attention to presentation. • Use Microsoft Office and Zoom to create documents, manage communications, and support virtual and in-person meetings effectively.
2026-11-10T00:00:00Z