Maritime Billing Specialist – Invoicing & Revenue Ops

Ports America Shared Services, Inc.; Houston (TX); On-site; USD 55,000 - 75,000; Full time

Job summary

Ports America is seeking a detail-oriented Billing Specialist to join our marine accounting team in Houston. You will review vessel logs, calculate labor and equipment charges, and generate accurate invoices for shipping lines and cargo owners, while reconciling data with contracts and tariffs.

In this role you will support the Controller and accounting staff, manage inquiries, and ensure timely revenue recognition within a small office environment.

Qualifications

• Associates degree in Accounting, Finance, Logistics, or equivalent work experience

Responsibilities

• Invoice Preparation: Audit vessel logs, timesheets, and terminal operating data to generate detailed, accurate invoices.
• Contract Application: Review customer contracts, rate sheets, and port tariffs to ensure correct application of commodity rates, detention/demurrage, equipment usage, and ancillary service charges.
• Labor Reconciliation: Verify labor hours, shift differentials, overtime, and stand-by time against operational logs.
• Customer Service: Partner with vessel operations managers and client representatives to resolve billing disputes and discrepancies.
• Reporting & Analysis: Conduct monthly reconciliations, assist finance leadership with accruals, revenue forecasting, and job-costing variance analysis.
• Research and resolve billing or accounting related problems and discrepancies.

Skills

Billing

Financial analysis

Maritime billing

Reconciliation

Attention to detail

Education

Associate degree in Accounting, Finance, Logistics, or equivalent work experience

Tools

Microsoft Excel

TOS

ERP systems (Oracle/similar)

Job description

Ports America is seeking a detail-oriented Billing Specialist to join our marine accounting team in Houston. You will review vessel logs, calculate labor and equipment charges, and generate accurate invoices for shipping lines and cargo owners, while reconciling data with contracts and tariffs.

In this role you will support the Controller and accounting staff, manage inquiries, and ensure timely revenue recognition within a small office environment.