Top 1304 Office assistant Jobs in North Plainfield, Nj

Office Administrator
Avantier Inc. —North Plainfield, NJ
- $50,000 - $65,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Office Manager Assistant
College Achieve Public Schools —North Plainfield, NJ
- $45,000 - $55,000 a year
- School experience
- Google Workspace
- Microsoft Excel
- Health insurance
- Dental insurance
Full-Time Administrative Assistant
KOHLS —Watchung, NJ
- $17.75 - $27.85 an hour
- Weekends as needed
- 18 years or older
- Merchandising
- Mid-level
- Disability insurance
- Dental insurance
Front Desk Coordinator/Receptionist
Muhlenberg ASC —Plainfield, NJ
- $20 - $25 an hour
- Full-time
- Spanish
- Microsoft Excel
- Ability to walk for extended periods
- Health insurance
- Dental insurance
Quick Apply
Executive Assistant (Berkeley Heights, NJ)
Hewlett Packard Enterprise —Berkeley Heights, NJ
- $39.18 - $90.14 an hour
- Full-time
- Hybrid work
- Office
- Project management
- Continuous improvement
12d
Receptionist/Administrative Assistant
FlatHouse Tires —North Plainfield, NJ
- $16 - $18 an hour
- Full-time
- No experience needed
- Office
- In-person
- Employee discount
Quick Apply
Secretary (2026-2027 School Year)
Morris-Union Jointure Commission —Warren, NJ
- Office
- Entry level
7d
Office Assistant / Front Desk
Aucta Pharmaceuticals, Inc. —Basking Ridge, NJ
- $55,000 - $75,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- English
- Disability insurance
- Health insurance
Quick Apply
17h
Office Administrator
RSM - Russian School of Mathematics —Edison, NJ
- $22 - $30 an hour
- Part-time
- Microsoft Word
- Office
- 1 year
- Health insurance
- Dental insurance
Quick Apply
Receptionist - State Farm Agent Team Member
Jahhad Crawley - State Farm Agent —N Plainfield, NJ
- $19 an hour
- Full-time
- Computer literacy
- Office
- Communication skills
- Health insurance
- Dental insurance
Quick Apply
Administrative Assistant
DGL GROUP —Edison, NJ
- Microsoft Outlook
- Computer literacy
- QuickBooks
Entry Level Office Assistant
USA Waste Management —Clark, NJ
- $18 - $20 an hour
- Full-time
- Computer literacy
- Office
- Computer skills
- Health insurance
- 401(k)
Quick Apply
6d
Secretary
New Brunswick Public Schools —New Brunswick, NJ
- $55,596 - $67,901 a year
- Spanish
- Computer literacy
- Basic math
- Health insurance
- Dental insurance
Secretary II - Multiple Vacancies
Rutgers University —Piscataway, NJ
- $28.47 an hour
- Full-time
- Word processing
- Mid-level
- Administrative experience
- Paid holidays
- Dental insurance
Administrative Assistant
Childrens Specialized Hosp —Mountainside, NJ
- $20.46 - $24.55 an hour
- 8 hour shift
- Microsoft Outlook
- Experience working with individuals with disabilities
- Hospital
- Disability insurance
- Health insurance
7d
Executive Assistant (Hybrid Role)
HUBER+SUHNER —Warren, NJ
- $75,000 - $90,000 a year
- Full-time
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Microsoft Outlook
- Health insurance
- Dental insurance
Front Desk Receptionist
Silver Vine Room —Summit, NJ
- $18 an hour
- Part-time
- Customer service
- In-person
- Entry level
Quick Apply
8d
Administrative Assistant
Rutgers University —Newark, NJ
- $29.67 an hour
- Full-time
- Microsoft Access
- Office
- University
- Paid holidays
- Dental insurance
Customer Service/Receptionist
Academy Dental care —Westfield, NJ
- $18 - $25 an hour
- Full-time
- In-person
- Entry level
- Paid holidays
- Health insurance
Quick Apply
13d
Receptionist
Atria Senior Living - Cranford —Cranford, NJ
- $15.92 - $19.10 an hour
- Part-time
- CPR Certification
- Basic math
- High school diploma or GED
- Paid holidays
- Health insurance

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office assistant jobs near north plainfield, nj

Office Administrator

Avantier Inc. -
North Plainfield, NJ

Quick Apply

Job Details

Full-time
$50,000 - $65,000 a year

Benefits

Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
401(k) matching
Opportunities for advancement

Qualifications

Client invoicing

Full Job Description

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Opportunity for advancement
Paid time off
Training & development
Vision insurance

Office Administrator

Location: North Plainfield, New Jersey

Company: Avantier – Premium Custom Optics Manufacturer

Base Salary: $50,000 - $65,000

About Avantier Inc.

At Avantier, you won’t just “have a job”—you’ll work on real, cutting-edge technology used in aerospace, defense, and life sciences.

We are a global photonics company (25+ years), specializing in custom optical design, engineering, and manufacturing for high-tech industries worldwide.

Position Overview

Avantier is seeking an experienced Office Administrator to support daily office and operational activities. We are looking for someone who has previously worked in a similar role and can confidently manage administrative tasks, communication, inventory coordination, and follow-ups in a fast-paced environment.

The ideal candidate is organized, proactive, detail-oriented, and comfortable managing multiple priorities while communicating effectively across teams.

Key Responsibilities

Prepare packing slips, invoices, and related documentation
Manage emails, follow-ups, and internal/external communication
Prioritize tasks based on urgency and business needs
Maintain office procedures, records, and organizational systems
Assist with inventory tracking and office supply coordination
Handle incoming phone calls and route inquiries appropriately
Support managers and cross-functional teams with daily operations
Identify and communicate issues proactively
Assist with ad-hoc operational, administrative, and office tasks as needed

Qualifications

2+ years of experience in an office coordination, administrative, or operations support role
Experience with invoicing, documentation, inventory management, and phone handling
Strong written and verbal communication skills
Proficient in Microsoft Office (Excel, Outlook, Word)
Strong organizational and time management skills
Ability to multitask and work independently
High attention to detail and accuracy
Self-motivated with a proactive mindset

Why Join Avantier

Competitive compensation and full benefits (Medical, Dental, Vision, 401k)
Opportunity to work in a growing high-tech industry
Collaborative, hands-on environment with real impact

Additional Information

Work Hours: Monday–Friday, 9:00 AM – 6:00 PM
Work Location: In-person (5 days/week)
Job Type: Full-time

Quick Apply

Refine Your Search

office assistant jobs in north plainfield, nj

Office Administrator

Office Manager Assistant

Full-Time Administrative Assistant

Front Desk Coordinator/Receptionist

Executive Assistant (Berkeley Heights, NJ)

Receptionist/Administrative Assistant

Secretary (2026-2027 School Year)

Office Assistant / Front Desk

Office Administrator

Receptionist - State Farm Agent Team Member

Administrative Assistant

Entry Level Office Assistant

Secretary

Secretary II - Multiple Vacancies

Administrative Assistant

Executive Assistant (Hybrid Role)

Front Desk Receptionist

Administrative Assistant

Customer Service/Receptionist

Receptionist

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