About the role

Office Administrator Entry Level
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: MondayFriday, 9:00 AM 6:00 PM
Work Location: In-person (5 days/week)
Job Type: Full-time
Compensation: $50,000.00 - $65,000.00 per year

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JOB OVERVIEW

Salary

$50,000 - $65,000 per year

Experience level

Mid

Location

Plainfield, NJ

Occupation

Secretaries and Administrative Assistants, Except Legal, Medical, and Executive

Industry

Office Administrative Services

Posted

today

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