Administrative Assistant

Company: Robert Half
Location: Valencia
Posted on: February 18, 2026

Job Description:

Job Description Job Description We are looking for a detail-oriented and proactive Administrative Assistant to join our team in Valencia, California. This Contract to permanent position involves managing complex schedules, coordinating recruitment activities, and providing comprehensive support to executive leadership. The ideal candidate will excel in multitasking, maintain a high level of professionalism, and ensure smooth administrative operations. Responsibilities: • Manage and coordinate interview schedules, ensuring availability across multiple time zones and maintaining precise records. • Communicate interview logistics and updates to candidates in a clear and timely manner. • Arrange candidate travel accommodations, such as flights, hotels, and reimbursements, when necessary. • Support the recruitment team with tasks like posting job openings, tracking metrics, and coordinating candidate assessments. • Prepare agendas, attendee lists, and virtual meeting setups for executive meetings and other events. • Handle executive expense reporting, including tracking, reconciling, and submitting financial documents in line with company policies. • Monitor executive leadership’s budgets and address discrepancies in collaboration with the finance team. • Assist with planning and executing office events, including team-building activities and corporate celebrations. • Maintain office supplies inventory and coordinate with vendors to ensure smooth daily operations. • Provide administrative support for onboarding new employees, including workspace preparation and welcome materials.• Minimum of 5 years of experience in administrative roles. • Strong organizational skills with the ability to manage complex schedules and prioritize competing demands. • Proficiency in data entry and maintaining accurate records. • Excellent communication skills, both verbal and written, for handling calls and correspondence. • Familiarity with virtual meeting platforms such as Zoom and Teams. • Experience with expense reconciliation, including tracking and coding financial documents. • Ability to handle sensitive and confidential information with discretion. • Proven ability to support event planning and logistics for corporate activities.

Keywords: Robert Half, Chino Hills , Administrative Assistant, Administration, Clerical , Valencia, California