Description We are looking for a motivated Administrative Assistant to join our team in Ontario, California. This Contract-to-Permanent position requires an individual who excels in multitasking, demonstrates exceptional attention to detail, and is eager to grow in their career. The role combines front desk coordination with HR support responsibilities, offering a dynamic and rewarding work environment. Responsibilities: • Manage inbound calls efficiently using a multi-line phone system, ensuring prompt and effective communication. • Serve as the first point of contact at the front desk, welcoming visitors and maintaining a positive atmosphere. • Assist with administrative tasks related to human resources, such as onboarding and orientation preparation. • Provide support during employee orientations, ensuring all necessary documentation and materials are organized. • Maintain accurate records and documentation for HR processes and daily administrative activities. • Collaborate with team members to address inquiries and resolve issues in a timely manner. • Uphold confidentiality and handle sensitive information with discretion. • Participate in ongoing training and development opportunities to enhance skills and knowledge. • Offer bilingual support in Spanish to effectively communicate with diverse clients and staff. Requirements • Minimum of 2 years of experience in administrative or receptionist roles. • Proficiency in managing multi-line phone systems and handling inbound calls. • Strong organizational skills with a keen eye for detail. • Ability to work independently and adapt to a fast-paced environment. • Familiarity with human resources functions, including onboarding and documentation. • Bilingual proficiency in Spanish is required. • Excellent interpersonal and communication skills. • Willingness to participate in a working interview as part of the selection process. TalentMatch® 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. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) 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 roberthalf.gobenefits.net 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 Terms of Use (https://www.roberthalf.com/us/en/terms) .