Administrative Assistant Jobs in Clayton, MO

1-15 of 126 Jobs

Job Posting - Medical Secretary - Cardiothoracic Surgery

  • St. Lukes Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 17 hours ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 17 hours ago

Lukes Hospital Occupation: Medical Secretaries and Administrative Assistants Location: Chesterfield, MO - 63005 Positions available: 1 Job #: 2026-32828 Source: St....

In Person

Job Posting - Medical Secretary - SLMG Physician Office

  • St. Lukes Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago

Lukes Hospital Occupation: Medical Secretaries and Administrative Assistants Location: Chesterfield, MO - 63005 Positions available: 1 Job #: 2026-32734 Source: St....

In Person

Job Posting - Medical Secretary - Vascular Services

  • St. Lukes Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago

Lukes Hospital Occupation: Medical Secretaries and Administrative Assistants Location: Chesterfield, MO - 63005 Positions available: 1 Job #: 2026-32827 Source: St....

In Person

Job Posting - Medical Secretary - Ladue Urgent Care

  • St. Lukes Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago

Lukes Hospital Occupation: Medical Secretaries and Administrative Assistants Location: Chesterfield, MO - 63005 Positions available: 1 Job #: 2026-32858 Source: St....

In Person

Job Posting - Medical Secretary - Call Center

  • St. Lukes Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 18 hours ago

Lukes Hospital Occupation: Medical Secretaries and Administrative Assistants Location: Chesterfield, MO - 63005 Positions available: 1 Job #: 2025-32643 Source: St....

In Person

School Secretary I

  • Kirkwood School District
  • Kirkwood, MO (7 miles from Clayton, MO)
  • 1 day ago
  • Kirkwood, MO (7 miles from Clayton, MO)
  • 1 day ago

School Secretary I JobID: 2578 Position Type: Support Staff - Building/School Secretary I Date Posted: 1/22/2026 Location: Kirkwood High School (KHS) Date Available: 08/03/2026 Additional...

In Person

Unit Secretary - STL Emergency Department

  • Mercy
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago

Find your calling at Mercy! As a Unit Secretary in a hospital setting, you will play a pivotal role in facilitating communication and administrative operations within the unit. This position...

In Person

Unit Secretary

  • BJC HealthCare
  • Shiloh, IL (23 miles from Clayton, MO)
  • 1 day ago
  • Shiloh, IL (23 miles from Clayton, MO)
  • 1 day ago

Additional Information About the Role Full Time - 36 hours a week Location - Memorial Shiloh Hospital Benefit Eligible Night Shift - 6:45 pm to 7:15 am Weekend rotations Holiday Rotation No on...

In Person

Legal Secretary

  • St. Louis County
  • Clayton, MO
  • 1 day ago
  • Clayton, MO
  • 1 day ago

The St. Louis County Counselors Office is seeking a skilled and experienced Legal Secretary to provide high-level administrative and legal support to attorneys and office staff. This position...

Remote

Administrative Assistant IV (Hybrid) - Arts and Sciences, Psychological and Brain Sciences Washington University in St. Louis

  • Washington University in St. Louis
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago

Scheduled Hours 37.5 Position Summary Maintains and oversees efficient administrative functions of the Department. Executive Assistant administrative support for the Chair, Associate Chair and...

Hybrid

Administrative Assistant II

  • Edward Jones
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 1 day ago

Administrative Assistant II Edward Jones - 3.7 St....

In Person Full Time

Medical Secretary - Cardiothoracic Surgery

  • St. Luke's Hospital - MO
  • Town and Country, MO (11 miles from Clayton, MO)
  • 1 day ago
  • Town and Country, MO (11 miles from Clayton, MO)
  • 1 day ago

Location : Address 222 S WOODS MILL RD Job Posting We are dedicated to providing exceptional care to every patient, every time. St. Luke's Hospital is a value-driven award-winning health system...

In Person

Medical Secretary - Cardiothoracic Surgery

  • St. Luke's Hospital
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 1 day ago
  • Chesterfield, MO (18 miles from Clayton, MO)
  • 1 day ago

Location : Address222 S WOODS MILL RD Job Posting We are dedicated to providing exceptional care to every patient, every time. St. Luke's Hospital is a value-driven award-winning health system...

In Person

Medical Secretary - Ladue Urgent Care

  • St Luke's Hospital of Chesterfield MO
  • Saint Louis, MO (2 miles from Clayton, MO)
  • 2 days ago
  • Saint Louis, MO (2 miles from Clayton, MO)
  • 2 days ago

Job Posting We are dedicated to providing exceptional care to every patient, every time. St. Luke's Hospital is a value-driven award-winning health system that has been nationally recognized for...

In Person

Legal Assistant

  • Nextgen Information Services
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 2 days ago
  • Saint Louis, MO (7 miles from Clayton, MO)
  • 2 days ago

As a Legal Assistant, you will strive to maintain cooperative relationships with governmental policy makers and the regulatory and self-regulatory agencies that govern the Firm s businesses....

In Person

Demographic Data for Clayton, MO

Moving to Clayton, MO? Find some basic demographic data about Clayton, MO below.


Local
National
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151,336

Administrative Assistant Online Courses and Training Opportunities

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Administrative Assistant Training
How well you manage clients and other day-to-day workplace activities can significantly impact your company's overall performance. As an administrative assistant, you must adapt quickly and...
Leadership and Administrative Policy
Understand and develop your own leadership style, while also coaching teams to promote individual growth and improve organizational outcomes. Also, explore important issues in health law for...
Legal Administrative Assistant Training
The field of law is known for its demanding nature and legal professionals heavily rely on their administrative assistants to help them handle their workload and stay organized. To succeed in this...

Salary for Administrative Assistant Jobs in Clayton, MO

Estimated salary range based on data from US Bureau of Labor Statistics (BLS) and iHire research efforts.

Licensing / Certification

Required or preferred licenses and certifications for Administrative Assistant positions.



Highest Education Level

Administrative Assistants in Clayton, MO offer the following education background
Bachelor's Degree
36.3%
High School or GED
18.3%
Associate's Degree
16.1%
Vocational Degree or Certification
14.9%
Master's Degree
8.9%
Some College
3.7%
Doctorate Degree
1.2%
Some High School
0.5%

Average Work Experience
Here's a breakdown of the number of years' experience offered by Administrative Assistants in Clayton, MO
1-2 years
44.2%
Less than 1 year
30.3%
None
13.6%
2-4 years
10.1%
4-6 years
1.9%