Part-Time Bookkeeper: Project Billing & AR Specialist

Abacus Architects; Sheboygan (WI); On-site; USD 28,000 - 41,000; Part time

Job summary

Abacus Architects is seeking a detail-oriented, part-time Bookkeeper to join our Sheboygan office. This role is approximately 20 hours per week and involves close collaboration with our finance team and Project Managers to manage billing, verify contract terms, and keep our accounts running smoothly.

The ideal candidate will have 1–2+ years of accounting or AR experience, be organized and thorough, and communicate clearly with internal teams and clients.

Qualifications

• 1–2+ years of accounting, bookkeeping, or AR experience or relevant coursework.
• Foundational accounting principles, general ledgers, and AR workflows.
• Clear and professional communication with internal teams and clients.

Responsibilities

• Client Billing & Invoicing: Preparing and issuing monthly client billings accurately and on time.
• Project Manager Collaboration: Partnering with Project Managers to review project progress, review fee structures, and determine monthly billing amounts.
• Contract Review: Reviewing client contracts to ensure invoice terms, fee arrangements, and reimbursable expenses align precisely with billing.
• Accounts Receivable: Monitoring outstanding balances and conducting proactive, professional follow-ups on overdue invoices.
• General Accounting Support: Assisting with Accounts Payable processing and other bookkeeping duties as needed.

Skills

AR experience

Attention to detail

Communication

Organizational skills

Ownership of tasks

Tools

BQE Core

Excel

Cloud-based accounting systems

Job description

Abacus Architects is seeking a detail-oriented, part-time Bookkeeper to join our Sheboygan office. This role is approximately 20 hours per week and involves close collaboration with our finance team and Project Managers to manage billing, verify contract terms, and keep our accounts running smoothly.

The ideal candidate will have 1–2+ years of accounting or AR experience, be organized and thorough, and communicate clearly with internal teams and clients.