Accounts Payable Specialist

Overview

The Accounts Payable Specialist is responsible for but not limited to, efficiently performing a broad range of purchase–to–pay process–related tasks that involve vendor and subcontractor invoices, company credit cards, expense account charges, and associated controls and payment processing to ensure financials are accurate and current and that vendors are being paid within established time limits.

Founded in 1979, Lemartec is a national general contractor and construction management firm and is part of the General Building group within Mas Tec’s Clean Energy and Infrastructure segment.

As Mas Tec’s vertical construction arm, Lemartec delivers complex projects across industrial, aviation, power, and large commercial markets. Led at the segment level by Manny García-Tuñón, the General Building Operating Group represents Mas Tec’s vertical construction capabilities and serves as the platform for future growth in this space. As a Mas Tec company, Lemartec maintains international capabilities and strategic partnerships throughout the Americas and the Caribbean, enabling the execution of some of the most complex projects in the industries we serve.

Through Mas Tec’s network of more than 22,000 professionals and subject matter experts in Engineering, Procurement, and Construction across over 400 locations throughout North America and the Caribbean, Lemartec is uniquely positioned to serve a diversified customer base. With experience across all 16 disciplines of construction, Lemartec combines deep technical expertise with the strength, scale, and financial backing of Mas Tec to successfully deliver projects of any size and complexity.

Mas Tec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables, and infrastructure sectors. In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects, and commercial buildings. Sustainability and safety are foundational to our culture and influence everything we do.

Mas Tec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments. Join one of the largest construction firms in the country (Engineering News‑Record [ENR]: #1 in Power, #17 Top 50 Domestic Heavy Contractors, #20 Transportation Contractor).

Mas Tec CE&I:
Leading the Energy & Infrastructure Transformation in North America

• Receive and assess receiving reports and approved invoices to ensure accuracy of charges and compliance with contractual obligations.
• Review all invoices for appropriate documentation and approval prior to payment.
• Prioritize invoices according to cash discount potential and payment terms.
• Apply and review the correct project and account coding to invoices and expense accounts – follow up with field staff as needed.
• Process check requests.
• Respond to all vendor inquiries and work with vendors to resolve past due invoices.
• Assist in month end closing.
• Maintain files and documentation thoroughly and accurately, in accordance with company policy and accepted accounting practices.
• Prepare check requests or wire transfer requests in accordance with company procedures.
• Prepare weekly check-runs.
• AP Statement Reconciliation.
• Other duties as assigned.

• High School Diploma or equivalent,
• An Associate degree in accounting or a certificate in business accounting is preferred.
• 5+ years prior business experience is preferred (accounts payable or general accounting).
• Experience in the Construction industry
• Thorough understanding of corporate and industry accounts payable practices, processes, standards, etc., and their impact on company activities.
• Strong Data Entry skills
• Competency in Microsoft applications, including Word, Excel, and Outlook.
• Organizational, verbal and written communication skills a must.
• Attention to detail and ability to multi‑task.
• Excepti…