Outsourced Accounting Services (OAS) Senior Accountant

Gross Mendelsohn, one of the Mid-Atlantic’s leading independent CPA and advisory firms, is seeking an experienced Senior Accountant to join our growing Outsourced Accounting Services (OAS) practice. This is a highly visible, client-facing role focused on serving a diverse portfolio of businesses and nonprofit organizations. The OAS Senior Accountant will act as a trusted financial partner, delivering timely, accurate, and decision-useful financial information while supporting clients’ day-to-day accounting operations. This role is ideal for accounting professionals who enjoy variety, ownership, and building long-term client relationships. Key Responsibilities Client Accounting & Financial Reporting Manage monthly, quarterly, and year-end close processes for assigned clients Prepare and review financial statements to ensure accuracy and timeliness Perform and review balance sheet reconciliations and general ledger activity Maintain audit-ready financial records and documentation Client Relationship Management Serve as a primary point of contact for assigned clients Communicate financial results and insights clearly Build strong, long-term client relationships Transaction Oversight & Process Improvement Review accounting transactions and ensure proper coding Identify and implement process improvements Support onboarding of new clients Compliance & Cross-Functional Support Prepare and review 1099s, sales tax filings, and related compliance items Support audit engagements and collaborate with tax teams Team Leadership & Development Train and mentor associates and interns Review work and provide guidance #J-18808-Ljbffr Gross, Mendelsohn & Associates