Biller I

WSP•Ephrata, PA

About The Position

The Biller I prepares client-ready invoices using Oracle and, under the direction of the project team, makes invoice revisions such as adjusting project expenditures through splits or transfers and maintaining Oracle data, including bill rates. The role compiles contract-required supporting documentation, reconciles Oracle with system-generated or spreadsheet-based invoices, and submits final invoices and supporting documents through client billing portals. It also monitors submissions, helps resolve errors and rejected invoices, maintains accurate submission records, and follows up as needed. Other duties may be assigned.

Requirements

High school diploma.
Minimum of 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.
Make invoice revisions under the direction of the project team, including project expenditure splits or transfers and Oracle maintenance such as bill rate adjustments.
Compile supporting documentation required by contract, including timesheets, expense reports, and vendor and 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.