Senior Accountant – Melbourne, FL

About the role

Mack Technologies is seeking a detail‑oriented and dependable Senior Accountant to join the Finance team at our Melbourne, FL facility. This position is 100% on‑site and will be responsible for tariff tracking, bank reconciliations, general accounting duties, end‑to‑end payroll processing, and supervisory oversight of the Accounts Payable functions. The ideal candidate is highly organized, comfortable handling confidential information, and experienced in a fast‑paced, deadline‑driven environment.

Responsibilities

General Accounting

• Review, approve, and track recovery of all material tariff charges.
• Perform bank reconciliations.
• Conduct job order cost review.
• Review material standard cost and load data.
• Assign purchase order requisition accounts.
• Execute various balance‑sheet account reconciliations.
• Support month‑end, quarter‑end, and year‑end close activities.

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, including review of approved hours from the independent time‑keeping system.
• Reconcile payroll activity with the general ledger and compile related journal entries, including weekly payroll entries and month‑end accruals.
• Provide monthly labor forecasts.
• Review and approve temporary agency invoices.
• Maintain strict confidentiality and handle sensitive information with professionalism.

Accounts Payable Supervision

• Supervise the Accounts Payable function, 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.
• 3–5+ 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 ability to work cross‑functionally with Finance, HR, and vendors.
• Experience in a manufacturing or regulated industry (medical, aerospace, defense) is a plus.
• U.S. Person status as defined in 22 CRF Part 120.15 (U.S. citizens, lawful permanent residents, refugees, asylees, or temporary residents granted amnesty) due to ITAR‑controlled technical data.