Senior Finance Manager Law Firm Partnership Accounting

Nassau County (Uniondale), NY | Hybrid (3 Days In-Office / 2 Days Remote) | $200,000 – $225,000

The Opportunity

A well-established, mid-sized law firm with offices across the Tri-state area and Florida is seeking a Senior Finance Manager to lead its accounting operations from their central Nassau County headquarters. Reporting directly to the Chief Operating Officer, this role is the financial backbone of the firm — overseeing everything from partnership accounting and trust compliance to tax filings and team leadership. If you have deep law firm finance experience and are ready to step into a high-visibility leadership seat, this is the role.

Why You'll Love This Role

• Competitive salary range of $200,000 – $225,000
• Benefits available from day one of employment
• Hybrid schedule — 3 days in-office, 2 days remote
• Welcoming firm culture with strong leadership support

Your Day-to-Day

Financial Management & Law Firm Accounting

• Own all general accounting functions: general ledger, month-end and year-end close, accounts payable and receivable, bank reconciliations, payroll coordination, and cash management
• Manage law firm-specific accounting including Client Trust/IOLTA accounts, e-legal billing systems, WIP monitoring, and expense allocations in coordination with the Billing Department
• Prepare and deliver monthly, quarterly, and annual financial statements to firm leadership
• Oversee fee participation calculations and partner distributions; respond to attorney inquiries
• Monitor billing realization and collections trends; drive strategic financial insights
• Coordinate annual audits and tax activities with external advisors
• Build and maintain internal controls and accounting policies in partnership with the COO

Tax & Benefit Administration

• Oversee benefit-related audits including the annual 401(k) Savings & Profit Sharing Plan audit
• Prepare Form 5500s, 1099s, sales and use tax returns, Commercial Rent Tax returns, PTET payments, and other state-specific filings
• Manage K-1 preparation and distribution to partners; coordinate quarterly and annual tax estimate payments
• Support benefit administration including insurance renewals and plan audit documentation

Collaboration & Process Improvement

• Partner with Billing, Collections, and Accounting teams to improve workflow efficiency and revenue performance
• Lead financial software upgrades, system integrations, and dashboard development for leadership reporting

Team Leadership

• Supervise, mentor, and develop accounting staff
• Manage performance, provide coaching, and support recruiting and onboarding of departmental personnel

What We're Looking For

• Bachelor's degree in Accounting, Finance, or a related field; CPA preferred
• 7+ years of progressive accounting leadership, preferably within a law firm or professional services environment, with prior supervisory experience
• Strong working knowledge of law firm partnership accounting, Trust/IOLTA accounting, and e-legal billing processes
• Advanced proficiency in financial reporting, general ledger management, and Microsoft Excel
• Experience with legal accounting platforms such as Elite, Aderant, SurePoint, or comparable systems preferred
• Must be local to Long Island and within commutable distance to the Uniondale, NY office

Ready to Apply?

This is a rare opportunity to lead finance at a respected, well-resourced law firm — with the compensation, benefits, and flexibility to match. Great Bay Staffing is managing this search on behalf of our client. Your resume will never be shared without your permission. Reach out today to learn more.