Administrative Assistant Jobs in Trenton, IL

1-15 of 16 Jobs

Administrative Assistant to the Dean of Health Sciences and Homeland Security

  • Southwestern Illinois College
  • Belleville, IL (19 miles from Trenton, IL)
  • 2 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 2 days ago

ANNOUNCEMENT Southwestern Illinois College is accepting applications for a SWIC Educational Employee, full-time, union position of Administrative Assistant to the Dean of Health Sciences and Homeland...

In Person

Administrative Assistant

  • Community Link, Inc
  • Breese, IL (7 miles from Trenton, IL)
  • 3 days ago
  • Breese, IL (7 miles from Trenton, IL)
  • 3 days ago

The Administrative Assistant must embrace the agency's vision, mission, and core values. ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned....

In Person

Unit Secretary - Memorial Belleville

  • BJC Progress West Hospital
  • Belleville, IL (19 miles from Trenton, IL)
  • 4 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 4 days ago

Additional Information About the Role Part time - 24 hours a week Benefit Eligible Day Shift - 6 am to 5 pm Every Other Weekend No on call Holiday Rotation Need to have clear communication skills...

In Person

Unit Secretary

  • BJC HealthCare
  • Belleville, IL (19 miles from Trenton, IL)
  • 5 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 5 days ago

Additional Information About the Role Full Time - 36 hours a week Benefit Eligible Day Shift - 6a to 6:30p Every Other Weekend No on call Holiday Rotation Location - Memorial Hospital Belleville...

In Person

Seasonal Administrative Support Specialist

  • Hunt Companies, Inc.
  • O Fallon, IL (12 miles from Trenton, IL)
  • 7 days ago
  • O Fallon, IL (12 miles from Trenton, IL)
  • 7 days ago

A Brief Overview The Seasonal Administrative Support Specialist is a temporary position that provides assistance to the property management team....

In Person Temporary

Regional Staff Assistant (Administrative Assistant I)

  • Department of Public Health
  • Fairview Heights, IL (18 miles from Trenton, IL)
  • 10 days ago
  • Fairview Heights, IL (18 miles from Trenton, IL)
  • 10 days ago

at Department of Public Health in Fairview Heights, Illinois, United States Job Description Position Overview The Illinois Department of Public Health is seeking a highly motivated, detailed...

Hybrid

Regulatory Compliance Administrative Assistant

  • Hospice of Southern Illinois, Inc.
  • Belleville, IL (19 miles from Trenton, IL)
  • 11 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 11 days ago

We are currently hiring for the Regulatory Compliance Administrative Assistant position that would be based out of our Belleville, IL office....

In Person

Correctional Office Assistant at Southwestern IL C

  • Lake Land College
  • East Saint Louis, IL (24 miles from Trenton, IL)
  • 13 days ago
  • East Saint Louis, IL (24 miles from Trenton, IL)
  • 13 days ago

at Lake Land College in East St. Louis, Illinois, United States Job Description Description Provide support services to a Correctional Center Educational Program. Description of Essential...

In Person

Office Assistant/CSR

  • Packard Culligan Water
  • Belleville, IL (19 miles from Trenton, IL)
  • 17 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 17 days ago

CUSTOMER SERVICE REPRESENTATIVE Do you thrive working in a fast paced environment where everyday is not the same? Do you enjoy interacting with people, solving problems as well as being an active...

In Person

Administrative Assistant - Registrar (12-month position)

  • The St. Clair County Application Consortium
  • Belleville, IL (19 miles from Trenton, IL)
  • 19 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 19 days ago

True Openings as of 3/2/2026 Administrative Assistant - Registrar (12-month position) JobID: 6745 Position Type: Secretarial/Clerical/ Secretary Date Posted: 3/2/2026 Location: Belleville West (BTHS...

In Person

Unit Secretary Full-Time 8 & 12-Hour Day/Evening Shift

  • Bethesda Health
  • Belleville, IL (19 miles from Trenton, IL)
  • 22 days ago
  • Belleville, IL (19 miles from Trenton, IL)
  • 22 days ago

Bethesda Brings out the Best in Talented, Caring People! At Bethesda, more than 1,200 employees dedicate their careers to improving the lives of others. As a team member at Bethesda, you'll enjoy...

In Person Full Time

Department Secretary - Plant Maintenance - FT Days (59566)

  • Anderson Hospital
  • Maryville, IL (17 miles from Trenton, IL)
  • 25 days ago
  • Maryville, IL (17 miles from Trenton, IL)
  • 25 days ago

receiving and issuing work order requests, reporting planned maintenance system information, Creating Power Point slides and reporting Environment of Care meeting information, maintaining monthly lease...

In Person

Legal Assistant

  • Express Employment Professionals
  • Glen Carbon, IL (17 miles from Trenton, IL)
  • 30+ days ago
  • Glen Carbon, IL (17 miles from Trenton, IL)
  • 30+ days ago

at Express Employment Professionals in Glen Carbon, Illinois, United States Job Description Job Title: Legal Assistant Location: Edwardsville, IL Pay: $22/hr - $27/hr, BOE Employment Type:...

In Person

Office Assistant/Sales Associate

  • R.P. Lumber Company
  • Highland, IL (9 miles from Trenton, IL)
  • 30+ days ago
  • Highland, IL (9 miles from Trenton, IL)
  • 30+ days ago

Employment Position - Office Assistant/Sales Associate R.P. Lumber Location: Highland, IL Summary of Position The Company is looking for a general office specialist to provide financial,...

In Person

Office Support Specialist (CS26-192)

  • Southern Illinois University Edwardsville
  • Edwardsville, IL (21 miles from Trenton, IL)
  • 30+ days ago
  • Edwardsville, IL (21 miles from Trenton, IL)
  • 30+ days ago

Office Support Specialist (CS26-192) Overview To build on a strong foundation of achievement and contribute to the realization of its ambitious institutional goals, Southern Illinois University...

In Person

Demographic Data for Trenton, IL

Moving to Trenton, IL? Find some basic demographic data about Trenton, IL below.


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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 Trenton, IL

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

Highest Education Level

Administrative Assistants in Trenton, IL 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
1.3%
Some High School
0.5%

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