We are seeking a dependable part-time Administrative Assistant to support daily office operations near Rockleigh, New Jersey. This Long-term Contract position is well suited for someone who enjoys keeping records accurate, assisting with billing-related tasks, and handling a range of administrative duties in a steady office environment. The role includes invoice support, payment posting, account review, label preparation, and basic Excel updates while helping maintain organized front-office workflow.

Responsibilities:

• Record incoming payments accurately and apply them to the appropriate customer accounts.
• Retrieve invoices as needed and compare account details to help resolve routine discrepancies.
• Provide basic accounts receivable assistance by supporting a low volume of transactional activity.
• Prepare and print labels and help complete day-to-day clerical and office support tasks.
• Enter information into simple Excel trackers and maintain accurate administrative records.
• Assist with receptionist and front-desk responsibilities, including handling inbound calls when needed.
• Support general office organization to ensure documents and account information remain accessible and up to date.