Biller I

WSP • Ephrata, PA

5d

About The Position

The Biller I prepares client-ready invoices in Oracle and makes invoice revisions under the direction of the project team. Revisions may include adjustments to project expenditures, such as splits or transfers, and Oracle maintenance, including bill rate adjustments.

The role compiles contract-required supporting documentation, reconciles Oracle with system-generated or spreadsheet-based invoices before finalizing drafts, and submits final invoices through client billing portals. The Biller I monitors submissions, helps resolve errors and rejected invoices, maintains accurate submission records and statuses, and assists with follow-up as needed. Other duties may be assigned.

Requirements

• High school diploma.
• 1–3 years of relevant experience.
• Good organizational and communication skills.
• Good attention to detail.
• Basic Excel skills.
• Basic understanding of accounting principles, project accounting, and invoicing.

Nice To Haves

• Associate degree.
• Previous experience with accounting software and/or Oracle.

Responsibilities

• Prepare client-ready invoices using Oracle.
• Revise invoices under project team direction, including adjustments to project expenditures and Oracle maintenance such as bill rate adjustments.
• Compile contract-required supporting documentation, including timesheets, expense reports, and vendor or subcontractor invoices.
• Reconcile Oracle with system-generated or spreadsheet-based invoices before finalizing draft invoices.
• Submit final invoices and required supporting documentation through client billing portals.
• Monitor portal submissions and assist with resolving submission errors, rejected invoices, and other administrative issues.
• Maintain accurate records of invoice submissions and statuses and assist with follow-up as needed.
• Perform other duties as assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Education Level: High school or GED