Vacancy Overview Invoice Auditor – Houston, TX
Our client, a large LNG Owner, is seeking an Invoice Auditor to work within their facilities located in Houston, TX, for an initial one-year assignment, with extensions.

We are seeking a detail-oriented Invoice Checker/Auditor to join our client’s project controls team on a large-scale EPC (Engineering, Procurement, and Construction) project. This role is critical to ensure that contractor invoices are accurate, compliant with contract terms, and supported by proper documentation. The successful candidate will play a key role in safeguarding project cost integrity through careful review, documentation, and collaboration with project leadership.

Job Responsibilities: Perform initial and final audits of EPC contractor’s monthly invoices to verify accuracy, completeness, and contractual compliance. Complete and circulate the invoice checklist for approval; ensure each checklist is documented and filed as evidence of compliance. Work with the Project Controls Manager to calculate adjustments, withholdings, or true-ups required for each invoice. Conduct deep-dive audits of previous invoices, focusing on areas relevant to the current project phase. Verify that invoices comply with contractual requirements, including supporting documentation (e.g., weekly time registers, receipts, personnel approval forms) and breakdowns by discipline, billing code, and subproject. Review invoices against execution plans, approved Management of Change (MOC), and contractual fixed rates. Identify and mark sections without costs as not applicable, consistent with the project schedule. Ensure non-reimbursable costs are not included in invoices. Verify compliance with conditions precedent to payment, such as interim lien waivers, parent guarantees, insurance coverages, and letters of credit. Summarize and document any amounts withheld or contested, including contract references. Qualifications: Bachelor’s degree in accounting, Finance, Business Administration, Engineering, or a related field (preferred). Experience in invoice auditing, cost control, or contract administration, ideally within large EPC or infrastructure projects. Strong understanding of contract terms, cost-reimbursable structures, and supporting documentation requirements. High attention to detail, with the ability to identify discrepancies and enforce compliance. Proficiency in Excel and financial tracking tools Strong communication skills for coordination with internal teams and external contractors. Ability to work under tight deadlines while maintaining accuracy.