Accounts Payable Specialist

About the role

Merridian Infrastructure Group is a premier heavy civil construction firm headquartered in Houston, Texas. Since 1987, we have delivered more than **$2.8 billion** in critical infrastructure projects throughout the Southern United States, specializing in highways, bridges, water systems, utility infrastructure, and large-scale site development. Our portfolio includes landmark public works, complex transportation corridors, and resilient infrastructure that supports millions of residents and businesses every day. We are committed to safety, integrity, technical excellence, and building long-term partnerships with the public agencies, owners, and communities we serve. Supported by a team of experienced engineers, project managers, construction professionals, and corporate staff, Merridian combines the capabilities of a national contractor with the accountability and collaborative culture of a family-built organization.

Key Responsibilities

• Process high-volume vendor invoices accurately and efficiently.
• Match purchase orders, receiving documentation, and invoices while verifying proper approvals.
• Code invoices to the appropriate general ledger accounts and project cost codes.
• Prepare supporting documentation for weekly payment runs, including check, ACH, and wire transactions.
• Maintain accurate vendor records, including W-9 documentation and banking information.
• Reconcile vendor statements and investigate payment discrepancies.
• Respond professionally to vendor inquiries regarding invoice and payment status.
• Collaborate with Project Managers to ensure proper job-cost allocation.
• Assist with month-end and year-end close activities.
• Prepare journal entries and account reconciliations related to accounts payable.
• Support internal and external audit requests by providing required documentation.
• Ensure compliance with company policies and applicable federal, state, and local regulations.
• Identify opportunities to improve AP workflows, efficiency, and internal controls.
• Perform other duties as assigned.

Required Qualifications

• Associate's degree in Accounting, Finance, Business Administration, or a related field preferred.
• 2+ years of Accounts Payable experience, preferably within construction, engineering, manufacturing, or project-based industries.
• Experience processing high-volume invoices.
• Working knowledge of generally accepted accounting principles (GAAP).
• Strong understanding of purchase order matching and invoice approval workflows.
• Proficiency with Microsoft Excel and Microsoft Office Suite.
• Experience using ERP or accounting software.
• Excellent organizational skills with exceptional attention to detail.
• Strong analytical and problem-solving abilities.
• Effective written and verbal communication skills.
• Ability to prioritize multiple deadlines in a fast-paced environment.
• Ability to work both independently and collaboratively across departments.