Construction Field Engineer Internship-Summer 2026

William Charles Construction, part of MasTec’s Clean Energy and Infrastructure Group, is in search of Construction Field Engineer Interns for the Summer 2026 to support our Springfield, IL office. The Field Engineer Intern will focus on assisting with providing support to the Project Manager and Construction Manager of their assigned project. General responsibilities include assisting with implementation of the project specific Quality Plan, site specific plans, material inventory and receiving.

Travel & Location: This is a traveling position encompassing work sites in Central Illinois.

Company Overview:

With more than a century of exceptional work on our resume, William Charles Construction remains guided by the pursuit of excellence. Our “Do it Right the First Time” work ethic has been the cornerstone of our business philosophy since 1892. With our broad background in heavy civil construction, environmental management and mining and materia...