Senior Bookkeeper / Office Administrator

Senior Bookkeeper / Office Administrator$38/hour | Full-Time | Westbury, NY (On-Site)About the RoleWe are seeking a highly experienced and detail-oriented Senior Bookkeeper / Office Administrator to take full ownership of our day-to-day accounting operations.This is a hands-on, high-responsibility role focused on maintaining accurate financial records, managing cash flow visibility, and ensuring operational discipline across accounts receivable and payable.You will report directly to ownership and work closely with an external accounting advisor.Key ResponsibilitiesAccounts Receivable (A/R) – Full OwnershipGenerate and manage all client invoicingTrack incoming payments and outstanding balancesProactively follow up on collections (email and phone)Maintain accurate A/R reporting and agingAccounts Payable (A/P) – Full Ownership (No payroll)Process vendor bills accurately and on timeManage payment schedules and approvalsMaintain organized vendor records and documentationReconciliation & Financial AccuracyPerform monthly bank and credit card reconciliationsMaintain clean and accurate general ledgerEnsure all financial data is properly recorded and categorizedIdentify discrepancies and resolve issues proactivelySystems & Process DisciplineMaintain strict accuracy within QuickBooks OnlineEnsure consistency between operational activity and financial recordsHelp improve and enforce internal processes and controlsWhat We're Looking ForRequired ExperienceStrong, hands-on experience with QuickBooks Online (required)Proven experience managing both Accounts Receivable and Accounts Payable independentlyExperience in construction, trades, or project-based businesses (required)Solid understanding of accounting fundamentals and financial workflowsThis role requires strong, real-world QuickBooks Online experience - not basic familiarity.Technical SkillsProficiency in Microsoft Office 365 (Excel, Outlook, OneDrive, etc.)Strong organizational and documentation skillsCore TraitsExtremely detail-oriented and process-drivenProactive problem solverComfortable taking ownership and working independentlyStrong communication skills, especially around financial mattersCompensation & Schedule$38/hour (full-time)Monday–Friday, 9:00 AM – 5:00 PM (on-site)Benefits include medical insurance, 401(k), paid holidays, and PTOWhy This Role Stands OutFull ownership of accounting operationsDirect exposure to ownership and business decision-makingAbility to bring structure and improve systemsHigh-impact role within a growing company