Office Administrator

North Plainfield

**Benefits:** * 401(k) * 401(k) matching * Dental insurance * Health insurance * Paid time off * 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