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Administrative Assistant

Job in Altadena, Los Angeles County, California, 91001, USA
Listing for: Robert Half
Full Time, Seasonal/Temporary position
Listed on 2026-09-21
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator
Job Description & How to Apply Below
Description We are looking for a dependable Administrative Assistant to support daily office activities and help maintain an efficient workplace. This contract-to-permanent position is ideal for someone who enjoys balancing front-office interaction, administrative coordination, and operational support in a fast-paced environment.

The right candidate will bring strong organizational skills, sound judgment, and a detail-oriented approach to communication, recordkeeping, and cross-functional support.

Responsibilities:

- Manage daily office operations by helping keep work spaces organized, functional, and ready to support employee productivity.

- Coordinate service requests and routine upkeep for office equipment, facilities, and basic workplace technology needs.

- Monitor inventory levels for office and kitchen supplies, submit purchase orders within budget guidelines, and follow through on deliveries.

- Welcome visitors, answer inbound calls, and help ensure a courteous and responsive front-desk experience.

- Process incoming mail, prepare outgoing correspondence, and coordinate package shipments and receipts with external carriers.

- Assist with scheduling meetings, maintaining calendars, and organizing internal activities, travel logistics, and team events.

- Maintain accurate physical and electronic files while preparing routine reports, letters, memos, and other administrative documents.

- Support onboarding setup by organizing work areas, materials, and required paperwork for onboarding activities.

- Provide administrative assistance for finance and human resources tasks, including data entry, expense tracking, invoice support, and confidential record handling. Requirements - 3+ years of experience in an administrative, office support, receptionist, or similar business support role.

- Demonstrated ability to handle administrative assistance, front-desk responsibilities, and inbound call support in a detail-focused setting.

- Strong organizational and time-management skills with the ability to prioritize multiple assignments and meet deadlines.

- Accurate data entry skills and comfort working with expense details, billing documentation, and other basic numerical information.

- Clear written and verbal communication skills with a refined, service-oriented approach to internal and external interactions.

- Proactive problem-solving ability and sound judgment when responding to office, vendor, or operational issues.

- High school diploma required; additional education in business administration or a related field is a plus. Talent Match®

­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 ()  and get 1-tap apply, notifications of AI-matched jobs, and much more.

Robert Half will consider for employment qualified applicants with arrest or conviction records in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. 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  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 ()  and Privacy Notice () .
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