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Administrative
Office / Administrative Assistant
North Plainfield, NJ
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401(k) 401(k) matching Dental insurance Health insurance Paid time off Vision insurance
Senior Office Coordinator Location:
North Plainfield, New Jersey Company:
Avantier -
Premium Custom Optics Manufacturer Base Salary:
$80,000 - $105,000 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 Senior Office Coordinator 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 5+ 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
