Onsite Part-Time Accounts Payable Assistant (Invoices & Checks)

System One, Inc.; Parsippany-Troy Hills (NJ); On-site; USD 28,000 - 40,000; Full time

Job summary

System One, Parsippany-based, is seeking an Accounting Assistant I for an onsite contract role. You will handle AP tasks, vendor setup, COI follow-ups, and document management in DocuWare. Hours are 9 a.m.–1 p.m., about 20–25 hours per week, with a $25.00 per hour rate.

Ideal candidates are detail-oriented, organized, and capable of working in a fast-paced environment with strong Excel and Word skills, plus good communication to support the Accounting Department.

Qualifications

• Hands-on accounts payable experience including invoice entry.
• High school diploma or GED; associate degree preferred.
• Proficient in Microsoft Office, especially Excel and Word.
• Strong attention to detail and ability to meet deadlines.
• Strong communication and customer service skills.

Responsibilities

• Enter invoices from vendors and subcontractors.
• Print and mail checks with supporting documentation.
• Process check requests.
• Set up new vendors and subcontractors and request W-9 forms.
• Maintain and update sales tax exemption documentation.
• Follow up on expired certificates of insurance (COIs).
• Upload and maintain accounting documents in DocuWare.
• Provide general support to the Accounting Department.

Skills

Accounts Payable

Invoice Entry

Check Processing

Vendor Maintenance

MS Excel

MS Word

Attention to Detail

Organizational Skills

Communication Skills

Education

High School Diploma or GED

Associate Degree Preferred

Tools

DocuWare

Job description

System One, Parsippany-based, is seeking an Accounting Assistant I for an onsite contract role. You will handle AP tasks, vendor setup, COI follow-ups, and document management in DocuWare. Hours are 9 a.m.–1 p.m., about 20–25 hours per week, with a $25.00 per hour rate.

Ideal candidates are detail-oriented, organized, and capable of working in a fast-paced environment with strong Excel and Word skills, plus good communication to support the Accounting Department.