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Administrative Assistant

Job in Irwindale, Los Angeles County, California, USA
Listing for: Astrix Inc
Contract position
Listed on 2026-06-10
Job specializations:
  • Administrative/Clerical
    Healthcare Administration
Salary/Wage Range or Industry Benchmark: 25 - 27 USD Hourly USD 25.00 27.00 HOUR
Job Description & How to Apply Below
Overview

A well-established healthcare organization is seeking a highly experienced and detail-oriented Administrative Assistant III to provide comprehensive administrative support to multiple senior leaders and supervisors. This individual will serve as a key operational resource across a busy, fast-paced department and must thrive in an environment that requires both precision and professionalism.
Location:
Onsite in Irwindale, CA | Type: 6-month contract | Hours: M-F 8-5 | Compensation: $25-$27/hour

Key Responsibilities
  • Manage incoming communications, field and direct phone calls, and greet and coordinate visitors professionally
  • Own complex calendaring, meeting coordination, and interview scheduling for multiple supervisors
  • Coordinate travel arrangements and process expense reports accurately and on time
  • Prepare, type, and distribute correspondence, reports, and presentations; maintain filing systems and perform faxing as needed
  • Conduct internet and internal research to support department projects and decision-making
  • Liaise and communicate regularly with physicians, clinical staff, and department leadership
Required Qualifications
  • 5-10 years of progressive administrative or office support experience, preferably in a healthcare or clinical setting
  • Demonstrated experience working in an administrative capacity directly supporting physicians or medical professionals
  • Exceptional written and verbal communication skills; demonstrated ability to communicate across all levels of an organization
  • Proven track record of scheduling interviews, managing complex calendars, and coordinating logistics for multiple stakeholders
Preferred Qualifications
  • Bachelor's degree in business administration, healthcare administration, or a related field
  • Prior experience within an HR department or supporting HR-related functions such as recruiting coordination
  • Background in a laboratory, diagnostic, or clinical specialty department is a meaningful plus
Interview Process

Virtual Teams interview → Onsite interview (for selected candidates)
This job description is a complete list of all desired skills, but not all are required. We strongly encourage candidates who have some of the skills to apply. We look forward to a conversation to learn more about you!
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