Overview

MendenFreiman, LLP is seeking an Accounting & Systems Assistant who shares our commitment to providing exceptional client service and delivering high-quality legal support. We are looking for a bright, organized, dependable, and motivated professional who thrives in a collaborative environment, values meaningful challenges, and builds relationships grounded in trust and reliability.This in-office position works closely with the Director of Accounting & Finance and the Billing & Systems Manager to support the firm's accounting operations, financial administration, practice management systems, and billing functions. The ideal candidate is highly detail-oriented, organized, and technologically proficient, with an interest in both accounting and legal practice management.Successful candidates will take pride in providing exceptional internal and client service while demonstrating professionalism, accuracy, accountability, and a commitment to operational excellence. This role offers an excellent opportunity to develop expertise in law firm accounting, financial reporting, billing, and systems administration while contributing to the firm's continued success.Key Responsibilities Accounting & Finance ResponsibilitiesSupport accounts payable functions, including processing vendor invoices and certified chargesEnter daily cash receipts into Centerbase, Firm's practice management softwarePerform initial reconciliation of office credit card transactionsSupport the firm's collections process by monitoring accounts receivable aging, reviewing outstanding balances, maintaining collections records, preparing reports, and coordinating follow-up communications with attorneys and clients to facilitate timely payment of invoicesMaintain accurate financial records and organized filing systemsProvide backup support for processing, and depositing checksSystems & Practice Management ResponsibilitiesAssist with the client intake process, including matter setup, and related administrative follow-upReview matters in Centerbase on a weekly basis to ensure accuracy and identify necessary updatesReview and close inactive client matters on a monthly basisAssist with Centerbase data maintenance, user support, troubleshooting, and system related projectsSupport data audits and maintain documentation for accounting, billing, and practice management processesBillingSupport the monthly billing process, including the preparation, review, and finalization of client invoicesServe as backup to the Billing & Systems Manager during billing cycles and attorney invoice review periodsAdministrative SupportProvide general administrative support to the Director of Accounting and FinanceAssist with special projects and operational initiativesPerform general office support duties, including processing certified mail, handling post office runs, maintaining filing systems, and scanning, filing, and digitizing documents as neededBachelor's degree requiredExperience with Centerbase or similar legal practice management software strongly preferred1-3 years of experience in legal billing, accounting, finance, practice management, or administrative operations within a law firm, accounting firm, financial services firm, or other professional services organization preferredStrong organizational, time management, and problem-solving skillsDemonstrates initiative, reliability, and a positive, professional attitudeAbility to prioritize competing demands and adapt in a fast-paced environmentProficiency with Windows-based software and Microsoft Word, Excel, and Outlook requiredAbility to handle confidential and sensitive information with discretion and professionalismStrong proficiency in Microsoft 365 applications, particularly Excel, including the ability to create, maintain, and analyze spreadsheets and financial data What Success Looks LikeMaintains a high level of accuracy and attention to detail in all financial and administrative tasksDemonstrates reliability, accountability, and s