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Administrative Assistant

Robert Half

Irvine, CA 92618 • $25.00 to $31.00 / hr • 9/17/2026

Job Description

Job Description
We are looking for an experienced and dependable Administrative Assistant to support daily office operations in Irvine, California. This contract opportunity is ideal for someone who enjoys creating an organized, welcoming workplace while handling a range of administrative and front desk responsibilities. The person in this role will manage sensitive information with discretion, keep office services running smoothly, and provide timely support to employees, visitors, and leadership.

Responsibilities:
• Welcome guests and team members professionally, manage front desk interactions, and guide visitors to the appropriate contacts.
• Keep the reception and lobby areas orderly, presentable, and aligned with workplace safety expectations.
• Administer employee and visitor badge activities, including issuance, tracking, and related record maintenance.
• Sort, distribute, and prepare incoming and outgoing mail to support efficient daily office communication.
• Monitor break areas and replenish kitchen and refreshment supplies to maintain a functional office environment.
• Oversee office inventory by tracking stock levels, placing supply orders, and confirming deliveries from vendors.
• Provide general administrative support such as document preparation, filing, scanning, copying, data entry, and record organization.
• Contribute to a cooperative office atmosphere by supporting team needs and assisting with additional assignments from management as needed.• High school diploma required.
• At least 1 year of experience in an administrative support, office assistant, or receptionist role.
• Proficiency with Microsoft Office applications, including Word, Excel, PowerPoint, and Outlook.
• Ability to manage multiple priorities efficiently while maintaining accuracy and professionalism.
• Strong customer service approach with excellent verbal and written communication skills.
• Comfortable working with confidential and time-sensitive information using sound judgment and discretion.
• Capable of succeeding in a fast-moving office setting with a proactive and responsive work style.