Administrative Assistant Jobs in Mountainside, NJ

1-15 of 863 Jobs
Kiernan Trebach LLP

Legal Secretary / Assistant

We are a Civil Litigation Defense Law Firm. Our mission is focused on a slow and sustainable growth process to create a diverse working environment while remaining sensitive to the needs of our...

Concern for Independent Living

Administrative Assistant

Position: Administrative Assistant Full-Time/Part-Time: Full-Time Location: Rochester Ave....

Administrative Assistant (Temporary)

  • New York, NY (19 miles from Mountainside, NJ)
  • 6 days ago
  • New York, NY (19 miles from Mountainside, NJ)
  • 6 days ago

Position Overview The Administrative Assistant will assist the Director of Administration and Purchasing to ensure the effective and efficient management of the office management and purchasing functions...

Medical Receptionist - Orthopedic - Physician Practice

  • Clifton, NJ (17 miles from Mountainside, NJ)
  • moments ago
  • Clifton, NJ (17 miles from Mountainside, NJ)
  • moments 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...

Legal Secretary (Temp - Hybrid/NYC).821

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

The Opportunity: A global insurance defense firm located in lower Manhattan seeks an experienced Legal Secretary on a long-term, temporary basis. The schedule is hybrid (three days in the office,...

Administrative Assistant

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

The Duplex Piano Bar is looking for a fulltime Administrative Assistant. Duties include data entry, physical inventory, responding to emails and phone calls, filing and general office work....

Office assistant

  • Morristown, NJ (9 miles from Mountainside, NJ)
  • 4 hours ago
  • Morristown, NJ (9 miles from Mountainside, NJ)
  • 4 hours ago

Office assistance needed for Automotive Business in Morristown, with towing, auto body shop, auto repair shop & gas business. Duties include answering phone, customer service, balancing daily...

Secretary Medical Office

  • Middletown, NJ (23 miles from Mountainside, NJ)
  • 4 hours ago
  • Middletown, NJ (23 miles from Mountainside, NJ)
  • 4 hours ago

Secretary for Medical Office in Middletown NJ Part Time around 30 hours per week Experience preferred in medical billing but not necessary. We will train for medical billing. However basic office...

Administrative Assistant

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

The Administrative Assistant accomplishes a varied range of tasks to support the programming and administration of the Centers....

Global Markets, Administrative Assistant

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

Job Summary Researches and analyzes financial information to be used in making investment decisions. Applies complete knowledge, skills, and practices to perform assignments. Job Description...

Legal Secretary

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

Legal Secretary Sidley Austin LLP United States, York, York 787 7th Avenue (Show on map) Jun 06, 2025 Legal Secretary Recruiting Location US-NY- York Department Secretarial Services Summary The...

Global Banking & Markets - Classic - Administrative Assistant

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

Global Banking & Markets - Classic - Administrative Assistant Spectraforce Technologies United States, York, York Jun 06, 2025 Job Title: Global Banking & Markets - Classic - Administrative Assistant...

Part-Time Administrative Assistant Remote, New York City based

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

: job title: Part-Time Administrative Assistant Part-Time Administrative Assistant Remote, New York City based for not-for-profit organization We're looking for an experienced and detail-oriented administrative...

Remote Work

Coordinator of Examinations and Administrative Assistant for the Office of Student Services and...

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

QualificationsEducation/Experience Bachelor's Degree preferred Minimum of 3-5 years of experience in an administrative assistant position....

Substitute Secretaries

  • Paterson, NJ (18 miles from Mountainside, NJ)
  • 10 hours ago
  • Paterson, NJ (18 miles from Mountainside, NJ)
  • 10 hours ago

Substitute Secretaries Employer Paterson Public Schools Location Paterson, NJ, US Salary Competitive categories Employer Paterson Public Schools Location Paterson, NJ, US Salary Competitive...

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...
Becoming an Administrative Assistant
Administrative assistants are essential parts of day-to-day operations in many companies. They organize files, prepare documents, schedule appointments, and support other staff.Often an...

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.

Highest Education Level

Administrative Assistants in Mountainside, NJ offer the following education background
Bachelor's Degree
36.1%
High School or GED
18.5%
Associate's Degree
16.0%
Vocational Degree or Certification
15.0%
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%