Part Time Billing Clerk San Antonio, TX

Part Time Billing Clerk

We are looking for a Part Time Billing Clerk to support project-based invoicing for a well-established company serving construction, restoration, maintenance, renovation, and historic building painting projects in San Antonio, Texas. This is a Contract position suited for a detail-oriented billing specialist who is highly organized, deadline-focused, and comfortable working with project teams to keep invoicing accurate and on schedule. The role will oversee billing documentation, payment application preparation, and invoice processing while helping maintain strong records and responsive customer support.

Responsibilities:

• Oversee the full monthly invoicing process and ensure customer billings are finalized and issued by established deadlines each month.
• Prepare, assemble, and send invoices along with required backup documents to customers through physical and administrative processing steps.
• Create billing documents using Quick Books Desktop Enterprise, Procore, and internal billing tools with a high level of accuracy.
• Complete and submit payment applications and supporting materials in accordance with customer and contract requirements.
• Examine contracts, schedules of values, approved changes, and related documentation to confirm billing compliance before submission.
• Partner with project managers and operations staff to collect billing details, validate charges, and keep project records current.
• Investigate invoice issues, respond to customer billing questions, and resolve discrepancies in a timely manner.
• Produce billing reports, reconciliations, and spreadsheet-based analysis in Microsoft Excel to support tracking and follow-up.
• Provide assistance with accounts receivable activities, including payment follow-up and collection support when needed.