Accounts Payable Specialist

ATMI Precast is a 35-year old design-build precast construction manufacturer supporting complex structural projects across multiple markets. Our accounting team plays a critical role in keeping projects moving by ensuring vendors, subcontractors, and suppliers are paid accurately and on time.

As an Accounts Payable Specialist, you will own the day-to-day AP function in a fast-paced construction environment. You will work closely with Project Management, Purchasing, and Operations to manage high-volume invoices, job-cost coding, and compliance requirements that are specific to construction and precast manufacturing.

If you are detail-driven, understand construction accounting, and are comfortable working in Sage, this role offers stability, ownership, and visibility across the organization.

Summary

The Accounts Payable Specialist is responsible for processing vendor and subcontractor invoices, maintaining accurate job cost coding, managing payment cycles, and ensuring compliance with construction-specific requirements such as lien waivers and purchase orders. This role requires prior experience in construction accounting, hands-on experience using Sage accounting software, and a strong understanding of Sage Accounts Payable system functionality, including three-way matching and system upgrades.

Responsibilities

• Process high-volume vendor and subcontractor invoices with accurate job, cost code, and phase coding
• Perform three-way matching in Sage Accounting: Purchase Order (PO), Vendor Invoice, and Receiving Report (or Goods Receipt)
• Match invoices to approved purchase orders, receiving documentation, and internal approvals
• Enter, manage, and maintain invoices within Sage Accounts Payable in a construction accounting environment
• Support or participate in Sage system upgrades, enhancements, or module implementations related to Accounts Payable
• Assist with installation, configuration, or testing of Sage Accounts Payable features in coordination with accounting leadership or external vendors
• Prepare and process weekly check runs and ACH payments
• Review and manage lien waivers, W-9s, and vendor compliance documentation
• Resolve invoice discrepancies by working directly with vendors, Project Managers, Purchasing, and internal teams
• Maintain organized AP files and documentation for audit and record-keeping purposes
• Reconcile vendor statements and follow up on outstanding issues
• Assist with month-end close activities related to accounts payable
• Support continuous improvement of AP processes, controls, and system workflows
• Communicate professionally with vendors and internal stakeholders 

• Accounts Payable experience in the construction industry
• Hands-on experience with Sage accounting software (Sage 100, Sage 300, or similar)
• Experience working with Sage Accounts Payable system upgrades, installations, or enhancements
• Strong understanding of three-way match processes within Sage (PO / Invoice / Receiving)
• Solid knowledge of construction job costing and cost codes
• Experience processing subcontractor invoices and construction-related documentation
• High attention to detail with strong organizational skills
• Ability to manage multiple priorities in a deadline-driven environment
• Strong communication skills and a collaborative mindset

Environment and Physical Requirements

• Primarily office-based with standard working hours
• Occasional overtime during billing cycles or reporting deadlines

Preferred Qualifications

• Experience in manufacturing or precast concrete environments
• Familiarity with lien waivers, retainage, and progress billing support
• Experience working closely with Project Management teams
• Exposure to audits or financial reporting support