Accounts Payable Specialist in Williamsville, New York at Mainstay Maritime

Job Summary: Responsible for leading the month-end close process, performing reconciliations, maintaining general ledger integrity, and delivering accurate financial analysis to support operational and leadership decision-making.

Job Responsibilities:

• Facilitate month end close by preparing and posting journal entries, performing detailed variance analyses, and driving process improvements to tighten the close cycle. Ensure accurate data capture, timely issue resolution, and consistent application of accounting policies to support a faster, more reliable financial close.
• Manage monthly reconciliations across general and subsidiary ledger accounts, ensuring accurate balance validation, timely variance identification, and complete audit ready documentation. Oversee data pulls, exception tracking, and corrective journal entries while maintaining a disciplined review and approval workflow that supports financial integrity and compliance.
• Run ad hoc account and financial analysis for operations, commercial, and leadership, providing timely insights that support decision making across revenue performance, cost trends, margin health, customer account behavior, and operational efficiency.
• Provide back up support to Accounts Payable and other accounting functions as needed. Contribute to departmental initiatives and projects, including process improvements related to AP automation, reconciliation accuracy, and enhanced reporting.

Preferred Education / Experience:

• Bachelor’s degree in Accounting, Finance, or a related field
• 1–3 years of accounting experience
• A combination of education and experience equivalent to the above

Preferred Knowledge / Ability:

• Knowledge of the full AP cycle
• Working knowledge of US GAAP as it touches AP and accruals
• Strong Excel skills; fluency in standard office tools
• Curiosity about AI and a willingness to learn new tools
• Exposure to NetSuite (implementation), FloQast, or Datarails
• Experience contributing to process improvement or automation initiatives
• Experience with AP automation platforms or workflow tooling
• Ability to multitask and work well under pressure within deadlines; excellent organizational skills