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Administrative Assistant

Job in Costa Mesa, Orange County, California, 92626, USA
Listing for: Ultimate Staffing Services
Seasonal/Temporary position
Listed on 2026-10-05
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator, Admin Assistant, Clerical, Office Assistant
Salary/Wage Range or Industry Benchmark: 22 USD Hourly USD 22.00 HOUR
Job Description & How to Apply Below
Administrative Assistant (JN - Costa Mesa, California

Salary: USD
22 - USD
22 per hour

Administrative Assistant needed for a temp-hire opportunity in Costa Mesa. The role is ONSITE.
The Administrative Assistant provides comprehensive administrative and clerical support to ensure the efficient operation of health programs and office locations. This role is responsible for managing front office activities, scheduling appointments, maintaining client records, supporting staff and leadership, and delivering exceptional customer service to clients, families, community partners, and employees.
The ideal candidate is highly organized, detail-oriented, professional, and passionate about supporting a mission-driven organization that serves individuals and families in need of behavioral health services.

Essential Duties and Responsibilities
  • Greet and assist clients, families, visitors, and community partners in a professional and compassionate manner.
  • Answer and direct incoming phone calls, take messages, and respond to inquiries.
  • Schedule appointments, meetings, trainings, and client intake appointments.
  • Maintain confidential client and employee records in compliance with HIPAA regulations.
  • Prepare, process, file, and distribute documents, reports, correspondence, and forms.
  • Monitor office supplies and coordinate ordering and inventory management.
  • Support onboarding and administrative processes for new employees.
  • Assist leadership with calendars, meeting coordination, and special projects.
  • Enter, update, and maintain data within electronic health record systems and other databases.
  • Coordinate incoming and outgoing mail, packages, and deliveries.
  • Ensure office operations run efficiently and maintain a welcoming environment.
  • Support program staff with administrative needs and interdepartmental communication.
  • Perform other duties as assigned.
Qualifications Required
  • High School Diploma or GED.
  • Minimum 1-2 years of administrative, clerical, receptionist, or office support experience.
  • Excellent verbal and written communication skills.
  • Strong organizational and time management abilities.
  • Proficiency with Microsoft Office Suite (Word, Excel, Outlook, PowerPoint).
  • Ability to manage multiple priorities with accuracy and attention to detail.
  • Ability to maintain confidentiality and handle sensitive information professionally.
  • Strong customer service skills and a professional demeanor.

This position pays $22.00 an hour

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