Office Administrator
$50,000–$65,000 year
On-siteNorth Plainfield, New Jersey, United States
Job Summary
Prepare packing slips, invoices, and related documentation while managing emails, follow-ups, and internal/external communication. Prioritize tasks based on urgency and business needs, maintaining office procedures, records, and organizational systems. Assist with inventory tracking, office supply coordination, and handling incoming phone calls to route inquiries appropriately. Support managers and cross-functional teams with daily operations, proactively identifying and communicating issues. Work Monday–Friday, 9:00 AM – 6:00 PM, in-person at Avantier, a global photonics company specializing in custom optical design for aerospace, defense, and life sciences.
Required 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
- Monday–Friday, 9:00 AM – 6:00 PM
- In-person (5 days/week)
- Full-time
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