Benefits:

401(k)

401(k) matching

Dental insurance

Health insurance

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