Job Description

Job Summary


Oldcastle Infrastructure is seeking an Estimating Intern to support our estimating team during the summer term. This internship provides hands-on experience in how infrastructure and construction projects are reviewed, scoped, and prepared for bid while working closely with experienced professionals in a collaborative environment.

What You Will Learn

  • How to review plan sets, identify project scope, and support the preparation of accurate cost estimates.

  • How estimating teams request, evaluate, and track vendor pricing using tools such as Smartsheet.

  • How cross-functional collaboration, organization, and attention to detail contribute to successful project delivery.
  • This position is expected to start in-person around May 2026 and continue through the entire summer term (i.e., May 2026 through August 2026). We ask for a minimum of 12 weeks, full-time and on-site, for most internships.

    Job...

    Apply for this Position

    Ready to join Oldcastle Infrastructure? Click the button below to submit your application.

    Submit Application