Senior Accountant

Senior Accountant — Contract Location: Remote Employment Type: Independent Contractor Compensation: Commensurate based on experience Hours: Up to 10 hours per week (flexible scheduling) Reports To: Controller About Us Quantum XI is a Fractional CFO consulting firm providing bookkeeping, accounting and tax support for a high-net-worth family's personal, business, and philanthropic affairs. We are seeking a detail-oriented, discreet, and experienced QuickBooks Online accountant to support our day-to-day bookkeeping and financial reporting needs on a part-time, contract basis. Position Summary The Senior Accountant will play a key role in maintaining accurate financial records across multiple entities and jurisdictions, supporting month-end close, and contributing to financial planning and analysis (FP&A) for the family's personal, business, and philanthropic affairs. This is a highly confidential engagement requiring exceptional discretion, integrity, and professionalism. Key Responsibilities -Manage day-to-day bookkeeping across multiple entities in QuickBooks Online, including AP/AR, journal entries, bank and credit card reconciliations, and general ledger maintenance -Perform multi-region/multi-entity accounting, ensuring accurate intercompany transactions, currency considerations, and entity-level reporting -Support month-end and year-end close processes, including account reconciliations, accruals, and variance analysis -Prepare and maintain financial statements (P&L, balance sheet, cash flow) for review by the Controller -Contribute to FP&A activities, including budgeting, forecasting, cash flow projections, and ad hoc financial analysis -Assist with preparation of supporting schedules and documentation for tax filings (nice to have) -Support external audit requests by preparing schedules, reconciliations, and documentation (nice to have) -Identify and help resolve discrepancies, process inefficiencies, and internal control gaps -Maintain strict confidentiality regarding all financial and personal information related to the family's affairs -Collaborate closely with the Controller and other team members to ensure accurate, timely reporting Qualifications -Bachelor's degree in Accounting, Finance, or related field required; CPA a plus -5+ years of progressive accounting experience, including multi-entity or multi-region bookkeeping -Strong proficiency in QuickBooks Online or Xero required -Demonstrated experience with financial reporting and FP&A (budgeting, forecasting, variance analysis) -Familiarity with tax preparation support and/or audit support strongly preferred -Experience working with high-net-worth individuals, family offices, or similar confidential environments a plus -Exceptional attention to detail and accuracy -High degree of discretion, integrity, and professionalism in handling sensitive financial information -Strong organizational and time-management skills; able to work independently in a flexible, part-time capacity -Excellent written and verbal communication skills Nice to Have -Experience with trust and estate accounting -Familiarity with investment/portfolio reporting -Experience working across multiple company files -Background working with CPAs/tax preparers on year-end deliverables Work Arrangement -This is a contract position with no benefits provided -Hours are capped at 10 hours per week, with flexibility on scheduling -Work may be performed remotely; with availability for calls on Eastern Standard Time or check-ins during business hours of 9AM to 11AM Eastern Standard Time -Engagement is ongoing and may be adjusted based on workload and mutual fit