Accounting Assistant - Milwaukee Joint
Listed on 2026-10-14
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Accounting
Accounting Assistant, Bookkeeper/ Accounting Clerk, Accounts Receivable/ Collections, Accounting & Finance
04-Milwaukee 15-Solutions
Brookfield, WI , USA
Individual must be legally authorized to work in the United States without the need for immigration support or sponsorship from Milliman now or in the future.
Milliman is seeking a motivated and detail-oriented individual to join our accounting staff as an Accounting Assistant
. This role will be responsible for providing entry level support to multiple business units including billing, accounts payable, financial system maintenance, timesheet review, data entry, and client account administration. The position is designed to support day-to-day operations while creating opportunities for professional development within the Accounting Department.
This role is responsible for a variety of recurring transactional processes and works closely with Accounting Specialists, Senior Accounting Specialists, and the Accounting Manager to ensure timely and accurate financial information, client billing support, and compliance with internal procedures.
The ideal candidate is detail-oriented, organized, eager to learn, and interested in developing a long-term career in accounting and financial operations.
Who We AreIndependent for over 75 years, Milliman delivers market-leading services and solutions to clients worldwide. Today, we are helping companies take on some of the world’s most critical and complex issues, including retirement funding and healthcare financing, risk management and regulatory compliance, data analytics and business transformation.
Job Responsibilities- Review, process, and administer employee expense reports and reimbursements in accordance with company policies and general ledger coding requirements.
- Assist with employee onboarding and offboarding Finance related activities, including accounting system setup, updates, and user access administration.
- Maintain and update client, vendor, employee, account, and other organizational data within financial systems and databases, including record changes, vendor setup, and peer-review activities.
- Support accounts payable processing by coding invoices, obtaining required approvals and documentation, and maintaining electronic records.
- Maintain accounting documentation and electronic records, including document organization, filing, scanning, and retention.
- Support compliance with internal controls and accounting procedures while contributing to process documentation, cross-training, system initiatives, special projects, and continuous improvement efforts.
- Prepare routine journal entries and account reconciliations.
- Assist with monthly accounting processes and reporting activities.
- Monitor for completion of timesheets of other practices.
- Assist with management of accounting mail, incoming payments, and check processing.
- Assist with review of application of cash receipts to client invoices; investigate client payment discrepancies and help resolve.
- Respond to routine internal inquiries and requests.
- Gather billing instructions from client facing professionals to generate invoices and assist with submitting invoices to client contacts and via client portals.
- Perform various departmental clerical tasks as needed (invoice data entry, filing, invoice drafting, process refunds for client over payments, etc.)
- Be expected to learn, but also be willing to make improvement suggestions.
- Other responsibilities as assigned.
- Successful completion of some college coursework in accounting, business or a related field; two-year Associate's degree preferred or actively pursuing completion of an Associate's degree.
- Must be able to work in the Brookfield, Wisconsin office at least 2-3 days per month.
- Basic working knowledge and experience of all Microsoft Office products with an emphasis on Microsoft Excel.
- Basic knowledge of…
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