Job Description Help for Job Description. Opens a new window. Job Description Job Description Position Overview Mack Technologies is seeking a detail-oriented and dependable Senior Accountant to join our Finance team at our Melbourne, FL facility. This role will be responsible for tariff tracking, bank reconciliations and other general accounting duties, as well as owning end-to-end payroll processing and providing supervisory oversight of the Accounts Payable functions. The ideal candidate is highly organized, comfortable handling confidential information, and experienced working in a fast-paced, deadline-driven environment. Key Responsibilities - General Accounting Review, approve and track recovery of all material tariff charges. Bank reconciliations. Job order cost review. Material standard cost review and loading. Purchase order requisition account assignment. Various balance sheet account reconciliations Support month-end, quarter-end, and year-end close activities. Key Responsibilities — Payroll Administration Process weekly payroll accurately and on schedule for over 400 employees, ensuring compliance with payroll regulations and company policies. Verify payroll data for completeness and accuracy prior to each pay run. This includes review of approved hours processed through our independent timekeeping system. Reconcile payroll activity with the general ledger and compile related journal entries, including weekly payroll entries and month-end accruals. Provide monthly labor forecast Review and approve temp agency invoices. Maintain strict confidentiality and handle sensitive information with professionalism. Key Responsibilities — Accounts Payable Supervision Supervise the Accounts Payable function, including advising on invoice processing, expense coding, and vendor payment activities. Review and approve weekly check runs for accuracy, proper documentation, and compliance with company policy prior to disbursement. Oversee and approve reconciliation of vendor statements and resolution of billing discrepancies. Identify and implement process improvements to strengthen AP controls and efficiency. Qualifications Bachelor's degree and 3+ years of general accounting experience. 2+ years of payroll processing experience (ADP WFN experience preferred, but not required). Prior experience supervising Accounts Payable functions. Proficiency with ERP/accounting systems and strong Microsoft Excel skills. High attention to detail, accuracy, and organizational skills. Strong communication skills and the ability to work cross-functionally with Finance, HR, and vendors. Experience in a manufacturing or regulated industry (medical, aerospace, defense) is a plus but not required. US Person as defined in 22 CRF Part 120.15 (U.S. citizens, lawful permanent residents, refugees and those given asylum in the United States, and temporary residents granted amnesty) since work includes ITAR-controlled technical data