2026 Summer Finance Internship

Posillico Civil, Inc.•Bohemia, NY

2d•$20•Onsite

About The Position

Posillico is Building for Generations. Posillico is a multi-disciplined and diversified construction company. Along with our Civil /foundation group, Posillico’s business units include Wastewater Division, Environmental Division, Utilities Division, Drilling Division, Paving Division, Posillico Consulting LLC, Posillico Developmental LLC, and Posillico Materials, LLC. These companies give Posillico the unequalled, leveraged experience required to complete complex structural and geotechnical projects successfully in the Tri-State area. Posillico empowers a “people first, think safety” culture throughout our organization. This “people first” culture has helped to promote and maintain an excellent record of accomplishment. Posillico has an exceptional safety program coupled with proactive employees throughout its management and union staff. We offer all employees an excellent opportunity to be part of our developing business at Posillico, as we set the standards for excellence in the construction industry with our integrated solutions. Our company mission is to complete all our projects safely, on time, on target and on budget while having a positive impact in the community. All interns will participate in the formal 11+ week summer internship program to gain valuable career related work experience with a reputable company, creating the link between student's educational goasl and future employment opportunities. The primary responsibilities of this role are the management and organization of all Utility vendor accounts.

Requirements

Currently enrolled college senior, taking relevant coursework/major.
Familiarity with accounting/finance is preferred
High level of Microsoft Excel/Office experience required
Detail oriented and able to demonstrate high degree of accuracy
Excellent verbal and written communication skills
Ability to multi-task and willingness to perform in a team environment

Responsibilities

Assist in reviewing and processing/entry of AP invoices to Viewpoint
Assist in preparation and entry of unit billing to various systems
Review and code credit card transactions to appropriate cost centers
Liaison with the field team on collection of documents and proper cost coding
Review and verification of vendor receiving tickets to cost centers by analyzing invoices; recording entries
This position will entail awareness of monthly closings of job cost, ensuring key monthly entries have been processed
Scanning, filing and cataloging documents to their referenced projects
Perform special assignments, projects and reporting as needed
Complies with Accounting Schedule & Deadlines, including monthly closing responsibilities
Backup to process purchase orders and Accounts Receivable billing, if needed
Maintain miscellaneous logs and other items as appropriate
Perform general administration duties as assigned