Administrative & Billing Specialist (Temp to Perm)

Randstad USA; Hauppauge (NY); On-site; USD 30,000 - 34,000; Full time

Job summary

Randstad USA is seeking an organized Administrative & Office Assistant in Hauppauge, NY to support daily office and accounting tasks. This full-time temporary role starts ASAP to cover a maternity leave, with potential for long-term opportunities for the right candidate.

You will work beside the team coordinator, receive hands-on training, and help with invoicing, order entry, filing, and communication with vendors and clients. Hours are 8 AM–5 PM, salary $22–$25 per hour.

Qualifications

• 1 year of experience
• Associate degree or equivalent in related field

Responsibilities

• Invoicing & Billing: Accurately prepare and process customer invoices, including cross-checking and copying/pasting critical order details and serial numbers.
• Order Entry: Enter sales orders and purchase requests into internal databases with speed and precision.
• Filing & Document Management: Digitize physical files, scan records, and maintain structured digital and paper filing systems.
• Vendor & Customer Communication: Answer incoming phone lines (moderate volume) and communicate professionally with vendors and clients regarding order statuses and general questions.
• Mail & Disbursements: Process outgoing mail, handle the office postage machine, and prepare checks for mailing.
• General Administrative Support: Assist with ad-hoc office coordination tasks to keep daily operations running smoothly.

Skills

Scheduling Appointments

Maintaining Calendars

Organization

Prioritizing

Working Independently

Customer Service

Phones

Data Entry

Answering Phones

Written Communication

Problem Solving

Handling Confidential Information

Administrative Duties

Office Support

Office Management

Typing Skills

Oral Communication

Interpersonal Skills

Education

Associate

Tools

Microsoft Office

Job description

Randstad USA is seeking an organized Administrative & Office Assistant in Hauppauge, NY to support daily office and accounting tasks. This full-time temporary role starts ASAP to cover a maternity leave, with potential for long-term opportunities for the right candidate.

You will work beside the team coordinator, receive hands-on training, and help with invoicing, order entry, filing, and communication with vendors and clients. Hours are 8 AM–5 PM, salary $22–$25 per hour.