Administrative Assistant Jobs in Mountainside, NJ

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Concern for Independent Living

Administrative Assistant

Position: Administrative Assistant Full-Time/Part-Time: Full-Time Location: Warwick Street, Brooklyn (Pitkin) Salary: Days/Hours: Description: Concern Housing is seeking an Administrative Assistant...

In Person

Administrative Assistant Berkeley Heights, NJ, USA

  • Fiserv, Inc.
  • Berkeley Heights, NJ (3 miles from Mountainside, NJ)
  • 1 hour ago
  • Berkeley Heights, NJ (3 miles from Mountainside, NJ)
  • 1 hour ago

Administrative Assistant Calling all innovators - find your future at Fiserv....

In Person

Administrative Assistant, Marketing and Communications

  • Felician University
  • Lodi, NJ (19 miles from Mountainside, NJ)
  • 1 hour ago
  • Lodi, NJ (19 miles from Mountainside, NJ)
  • 1 hour ago

Administrative Assistant, Marketing and Communications Felician University in Lodi, NJ Apply Now Type: Adjunct/Part-Time Posted: 2 days ago Category: Administrative Assistants; +1 Communications, Marketing...

In Person

Secretary (OA)

  • VA New Jersey Health Care System
  • East Orange, NJ (10 miles from Mountainside, NJ)
  • 2 hours ago
  • East Orange, NJ (10 miles from Mountainside, NJ)
  • 2 hours ago

VHA locations include, but are not limited to, VA hospitals and associated clinics, community living centers (CLCs), community-based outpatient clinics (CBOCs), domiciliary units, Vet centers and VA-leased...

Hybrid

Judges Secretary 1

  • New Jersey Courts
  • Hackensack, NJ (21 miles from Mountainside, NJ)
  • 2 hours ago
  • Hackensack, NJ (21 miles from Mountainside, NJ)
  • 2 hours ago

If another position becomes available within five months of this recruitment's closing date, the applicant pool from this posting may be used to fill additional vacancies. When you come to work...

In Person

Nursing Unit Secretary - Oncology - F/T with Benefits Evening

  • JFK University Medical Center
  • Edison, NJ (11 miles from Mountainside, NJ)
  • 2 hours ago
  • Edison, NJ (11 miles from Mountainside, NJ)
  • 2 hours ago

Our team members are the heart of what makes us better. At Hackensack Meridian Health we help our patients live better, healthier lives and we help one another to succeed. With a culture rooted in...

In Person

Admin Assistant II

  • Careers Integrated Resources Inc
  • Parsippany, NJ (12 miles from Mountainside, NJ)
  • 2 hours ago
  • Parsippany, NJ (12 miles from Mountainside, NJ)
  • 2 hours ago

assistants, including managing conference room scheduling, ordering materials and office supplies and office visitors Your experience and qualifications Any equivalent combination of education, training...

Hybrid

Administrative Associate

  • New York City
  • Bronx, NY (24 miles from Mountainside, NJ)
  • 2 hours ago
  • Bronx, NY (24 miles from Mountainside, NJ)
  • 2 hours ago

Serves as a Special Administrative Assistant with tasks and projects whenever necessary to facilitate patient care and smooth operation of the office DICM include but are not limited to: - Perform audits...

Remote

Legal Assistant

  • Gladstein Reif & Meginniss LLP
  • New York, NY (19 miles from Mountainside, NJ)
  • 2 hours ago
  • New York, NY (19 miles from Mountainside, NJ)
  • 2 hours ago

Union-side labor and employment law firm located in lower Manhattan seeks a full-time legal assistant. The right applicant should be well organized, detail oriented, and capable of performing...

In Person

Administrative Assistant

  • North Bergen, NJ (19 miles from Mountainside, NJ)
  • 2 hours ago
  • North Bergen, NJ (19 miles from Mountainside, NJ)
  • 2 hours ago

un Administrative Assistant (North Bergen) 5410 Tonnelle Ave compensation: Competitive employment type: experience level: no experience required job title: Administrative Assistant Local Administrative...

In Person

Administrative Assistant

  • MSIG North American
  • New York, NY (19 miles from Mountainside, NJ)
  • 2 hours ago
  • New York, NY (19 miles from Mountainside, NJ)
  • 2 hours ago

We are seeking a highly organized and detail-oriented individual to join our team as an Administrative Assistant....

In Person

Administrative Assistant

  • Genesis10
  • New York, NY (19 miles from Mountainside, NJ)
  • 3 hours ago
  • New York, NY (19 miles from Mountainside, NJ)
  • 3 hours ago

Administrative Assistant#26-02873 New York, NY On-site Contract Starts 3/16/2026 Ends 3/15/2027 Job Description Genesis10 is currently seeking an Administrative Assistant for an Onsite position with...

In Person

(1) Hourly Secretary : Student Support Services

  • New Brunswick Public Schools
  • New Brunswick, NJ (14 miles from Mountainside, NJ)
  • 4 hours ago
  • New Brunswick, NJ (14 miles from Mountainside, NJ)
  • 4 hours ago

Openings as of 2/27/2026 (1) Hourly Secretary : Student Support Services JobID: 13366 Position Type: Secretarial/Clerical/Secretary Date Posted: 2/27/2026 Location: (SSS) Student Support Services...

In Person

Hourly Secretary - Attendance Office

  • New Brunswick Public Schools
  • New Brunswick, NJ (14 miles from Mountainside, NJ)
  • 4 hours ago
  • New Brunswick, NJ (14 miles from Mountainside, NJ)
  • 4 hours ago

Openings as of 2/27/2026 Hourly Secretary - Attendance Office JobID: 13373 Position Type: Secretarial/Clerical/Hourly Secretary Date Posted: 2/27/2026 Location: (HS) New Brunswick High School Date...

In Person

Legal Assistant - NJ

  • Insight Global
  • Parsippany, NJ (12 miles from Mountainside, NJ)
  • 4 hours ago
  • Parsippany, NJ (12 miles from Mountainside, NJ)
  • 4 hours ago

One of our large telecommunication clients is looking to hire a Legal Assistant to join their growing Legal Emergency Response Team. This department is responsible for providing response to all...

In Person

Demographic Data for Mountainside, NJ

Moving to Mountainside, NJ? Find some basic demographic data about Mountainside, NJ below.


Local
National
7,082
355
Medium/Sm

Administrative Assistant Online Courses and Training Opportunities

iHire curates thousands of courses in order to recommend the best ones to help further your career. If you register for a course using the links on our site, we may receive a small commission.
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...
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...
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 Mountainside, NJ

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 Mountainside, NJ 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 Mountainside, NJ
1-2 years
44.2%
Less than 1 year
30.3%
None
13.6%
2-4 years
10.1%
4-6 years
1.9%