Procurement & Invoicing Specialist

AOI; Houston (TX); On-site; USD 52,000 - 66,000; Full time

Benefits offered by this job

Flexible health benefits

401(k) matching

Generous PTO policy

Relocation packages within the United-

Job summary

Applied Optoelectronics, Inc. (AOI) is seeking a Purchasing Specialist to support the procure-to-pay process and ensure accurate, timely review and reconciliation of supplier invoices.

You will liaise with suppliers, Accounts Payable, and internal stakeholders to resolve discrepancies and drive on-time payments. The role requires reviewing invoices, updating purchase orders, monitoring payment status, and producing procurement reports.

Qualifications

• Bachelor’s degree in a related field.
• 1–3 years of experience in purchasing, procurement, supply chain, accounts payable, or related function.
• Working knowledge of purchase orders, invoices, receiving records, payment terms, and supplier transactions.
• Ability to review transaction details, identify discrepancies, resolve routine issues, and accelerate matters appropriately.

Responsibilities

• Review supplier invoices against purchase orders, receiving records, quotes, and supporting documentation.
• Resolve invoice and purchase order discrepancies by determining ownership and coordinating corrections across Procurement, Accounts Payable, suppliers, Receiving, and other stakeholders.
• Communicate directly with suppliers to obtain corrected invoices, credit memos, statements, and other required information.
• Monitor open invoices, supplier credits, unresolved discrepancies, and payment status to reduce avoidable delays.
• Prepare payment projections, invoice-status reports, freight reports, and other procurement-related reporting.
• Maintain accurate data in SAP, Excel, and applicable purchasing or financial systems.
• Escalate significant pricing issues, supplier disputes, policy exceptions, or matters outside assigned authority to Procurement Leadership.
• Identify recurring issues and recommend practical improvements to purchasing and invoice-resolution processes.
• Support audits, supplier onboarding, reporting, and other procurement projects as assigned.

Skills

Communication skills

Organizational skills

Attention to detail

Excel proficiency

Education

Bachelor's degree in Supply Chain Management, Business Administration, Finance, Accounting, Operations, or related field

Tools

SAP

SAP S/4HANA

Excel

Job description

Applied Optoelectronics, Inc. (AOI) is seeking a Purchasing Specialist to support the procure-to-pay process and ensure accurate, timely review and reconciliation of supplier invoices.

You will liaise with suppliers, Accounts Payable, and internal stakeholders to resolve discrepancies and drive on-time payments. The role requires reviewing invoices, updating purchase orders, monitoring payment status, and producing procurement reports.