Jobs · Accounting · New York

Senior Accountant

Mason Technologies Inc. · Deer Park, NY · 2 mo ago
Accounting$90k–$100k/yrFull-time

About the position

We are seeking a highly skilled and detail-oriented Senior Accountant to take full ownership of core accounting operations, including the general ledger, bookkeeping, reconciliations, and month-end close processes. This role is critical to ensuring the accuracy, integrity, and timeliness of our financial reporting. The ideal candidate will have a minimum of 4+ years of progressive accounting experience and be comfortable operating in a fast-paced, hands-on environment. You will serve as a key finance team member and a go-to resource for accounting accuracy, reporting, and operational support. This role offers strong exposure across the full accounting cycle today, with a clear path to expand into Financial Planning & Analysis (FP&A) responsibilities such as budgeting, forecasting, and variance analysis as the company grows. You will work closely with finance leadership as a trusted right hand, while also partnering cross-functionally across departments to support financial transparency and decision-making.

Responsibilities

  • Own and maintain the general ledger, ensuring accuracy, completeness, and proper classification of all transactions
  • Manage full-cycle bookkeeping activities, including journal entries, accruals, and adjustments
  • Perform and review bank and account reconciliations on a monthly and as-needed basis
  • Lead and support the month-end and year-end close process, including preparation of supporting schedules and reconciliations
  • Prepare, analyze, and distribute internal financial reports for management and leadership review
  • Ensure financial records are maintained in accordance with GAAP and internal controls
  • Assist with accounts payable and accounts receivable, including invoice processing, aging reviews, and collections support when needed
  • Develop and maintain Excel-based financial models, reports, and reconciliations (advanced Excel required)
  • Support audits, tax filings, and any external reporting requirements as needed
  • Partner with cross-functional teams to resolve discrepancies and improve financial processes
  • Identify opportunities to improve efficiency, automation, and accuracy within accounting workflows
  • (Future) Support budgeting, forecasting, and FP&A initiatives, including variance analysis and financial planning support

Qualifications

  • Bachelor’s degree in Accounting, Finance, or related field (CPA or CPA track strongly preferred)
  • 4+ years of accounting experience (private accounting background preferred)
  • Strong understanding of GAAP and core accounting principles
  • Hands-on experience with general ledger accounting and full month-end close ownership
  • Advanced proficiency in Microsoft Excel (pivot tables, VLOOKUP/XLOOKUP, formulas, data analysis)
  • Experience with accounting systems/ERP software (Sage, QuickBooks, NetSuite, or similar)
  • Strong analytical skills with exceptional attention to detail and accuracy
  • Able to manage multiple priorities in a deadline-driven environment
  • Strong communication skills with the ability to collaborate across departments and present financial information clearly
  • Self-starter mindset with the ability to work independently while also being a team player
  • High level of accountability, ownership, and problem-solving ability

Pay

$90,000.00-$100,000.00 per year

Job Type

Full-time, In-Person

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