Part time Accounting Support – Boston, MA (Hybrid) | 5-Week Contract

Job ID: 808916
Job Title: Part time Accounting Support
Location: Boston, MA (Hybrid)
Duration: 5 Weeks Contract (20 Hours per Week)
Schedule: 5 hrs per day, Hybrid – 2 Days Onsite (Downtown Boston), 2 Days Remote
Company: Sigma, Inc.

Job Overview

Sigma, Inc. is seeking an Accounting Support professional to assist our client in Boston, MA with accounts payable, payroll support, and general finance administration. This temporary, part-time position is ideal for candidates with accounting or finance support experience who are detail-oriented, organized, and proficient in Excel.

Key Responsibilities

Accounts Payable

• Update and maintain accounts payable records using Seamless.
• Assemble, organize, and process vouchers.
• Maintain and update voucher logs.
• Prepare and update American Express reconciliation worksheets in Microsoft Excel.
• Assist finance staff with Homeland Security voucher retrieval and reimbursement documentation.
• File, organize, and archive finance records and vouchers.
• Support finance file archiving for FY25.
• Perform additional accounts payable and administrative support duties as assigned.

Payroll Support

• Update payroll reconciliation spreadsheets.
• Reconcile gross payroll to labor cost reports.
• Maintain MBTA billing spreadsheets and related documentation.
• Update monthly and quarterly benefits billing spreadsheets.
• Assist with short-term disability reconciliation.
• Maintain organized payroll and benefits documentation and records.

Required Qualifications

• Basic accounting knowledge with experience in finance support.
• Experience with Accounts Payable (AP) and general accounting administration.
• Proficiency in Microsoft Excel.
• Strong organizational skills and attention to detail.
• Ability to manage multiple administrative and accounting tasks efficiently.
• Excellent communication and time management skills.

Preferred Qualifications

• Experience with Accounts Receivable (AR).
• Experience using Adobe Acrobat.
• Familiarity with accounting or financial management systems (Seamless experience is a plus).
• Previous experience supporting finance or accounting departments.

Schedule

• 20 Hours Per Week, 5 hrs/day 
• Hybrid: 2 Days Onsite (Downtown Boston), 2 Days Remote
• Duration: 5 Weeks Contract