Accounts Payable Specialist

System One; Houston (TX); On-site; USD 52,000 - 78,000; Full time

Job summary

System One in Houston, TX is seeking an Accounts Payable Specialist to join a growing accounting team supporting oil & gas, energy, construction, and industrial services operations.

The ideal candidate has 2–5+ years of AP experience, proficiency in three‑way matching, POs, and vendor management, and a strong eye for detail. Experience with ERP systems and multi‑entity environments is a plus.

Qualifications

• 2–5+ years of Accounts Payable experience.
• Experience with three‑way matching and invoice coding.
• POs and vendor management experience.
• Construction or field‑service invoicing experience is a plus.
• Job/project costing exposure is beneficial.
• Ability to work in multi‑entity environments.

Responsibilities

• Process a high volume of vendor invoices accurately and efficiently.
• Review invoices for proper coding, approvals, POs, and supporting documents.
• Perform three‑way matching of POs, receipts, and invoices.
• Code invoices to GL accounts, cost centers, projects, and jobs.
• Enter invoices into the ERP system and ensure timely processing.
• Prepare and process weekly payments (check runs, ACH, wires).
• Maintain vendor records and assist with onboarding.
• Reconcile vendor statements and resolve discrepancies.
• Assist with month‑end close activities and AP accruals.
• Monitor AP aging and identify past‑due items.

Skills

Accounts Payable experience

Attention to detail

Excel skills

Communication skills

Independent and collaborative

Multitasking / time management

Education

High school diploma

Associate's or Bachelor's in Accounting/Finance

Tools

SAP

Oracle

NetSuite

Microsoft Dynamics

Sage Intacct

Job description

Accounts Payable Specialist

Location: Houston, TX (77079)

Employment Type: Full-Time

Industry: Oil & Gas / Energy / Construction / Industrial Services

About the Role

We are seeking an experienced Accounts Payable Specialist to join a growing accounting team supporting operations within the oil & gas, energy, construction, or industrial services industries.

The ideal candidate will have hands‑on experience managing a high volume of invoices and vendor transactions while maintaining accuracy, meeting deadlines, and providing excellent internal and external customer service.

Experience in a project‑based, construction, oilfield services, energy, or industrial environment is highly preferred, particularly for candidates familiar with purchase orders, three‑way matching, job costing, and vendor management.

Key Responsibilities

• Process a high volume of vendor invoices accurately and efficiently
• Review invoices for proper coding, approvals, purchase orders, and supporting documentation
• Perform three‑way matching of purchase orders, receipts, and invoices
• Code invoices to the appropriate general ledger accounts, cost centers, projects, and jobs
• Enter invoices into the ERP/accounting system and ensure timely processing
• Prepare and process weekly check runs, ACH payments, wires, and other payment transactions
• Maintain accurate vendor records and assist with vendor onboarding and maintenance
• Reconcile vendor statements and research outstanding or disputed invoices
• Respond to vendor and internal inquiries regarding invoice and payment status
• Research and resolve discrepancies between invoices, purchase orders, receipts, and contracts
• Assist with month‑end close activities, including AP accruals and account reconciliations
• Monitor AP aging and assist with identifying past‑due or outstanding items
• Maintain organized documentation and ensure compliance with company policies and procedures
• Assist with 1099 reporting and other AP‑related compliance activities
• Support internal and external audits by providing invoices, payment records, and supporting documentation
• Identify opportunities to improve AP processes, controls, and efficiency
• Assist with special projects and other accounting responsibilities as needed

Qualifications

• 2–5+ years of Accounts Payable experience
• High school diploma required; Associate's or Bachelor's degree in Accounting, Finance, or a related field preferred
• Experience in oil & gas, energy, construction, engineering, industrial services, manufacturing, or a related industry strongly preferred
• Experience processing high-volume invoices
• Strong understanding of three‑way matching and invoice coding
• Experience with purchase orders and vendor management
• Strong attention to detail and accuracy
• Intermediate Excel skills
• Experience with an ERP/accounting system such as SAP, Oracle, NetSuite, Microsoft Dynamics, Sage Intacct, or similar
• Excellent organizational and time‑management skills
• Strong written and verbal communication skills
• Ability to work independently while also collaborating effectively with accounting and operations teams
• Ability to manage multiple priorities and meet deadlines in a fast‑paced environment

Preferred Industry Experience

• Oil & Gas
• Oilfield Services
• Energy Services
• Midstream / Downstream
• Engineering & Construction
• Commercial Construction
• EPC / EPCM
• Industrial Services
• Manufacturing
• Infrastructure
• Field Services

Highly Desired Experience

• High‑volume AP
• Three‑way matching
• PO and non‑PO invoices
• Job/project costing
• Construction or field‑service invoices
• Vendor management
• Subcontractor payments
• Retainage
• Purchase orders
• Credit card reconciliation
• ACH and wire payments
• 1099 processing
• AP accruals
• Multi‑entity accounting
• ERP implementations or system conversions
• AP automation
• NetSuite, SAP, Oracle, Dynamics, or Sage Intacct

What We're Looking For

We're looking for someone who is organized, dependable, detail-oriented, and comfortable working in a fast-paced environment.

The right person will take ownership of the AP process, communicate effectively with vendors and internal teams, and know how to dig into an invoice when something doesn't look right.

Industry experience is a major plus, particularly for candidates who understand the unique needs of project-based, construction, energy, or field-service businesses.

This is an excellent opportunity for an AP professional who wants to join a growing organization, contribute to a strong accounting team, and continue developing their career.