Our Approach

Why choose a heavy civil internship with GBI?

At Ghilotti Bros., Inc. (GBI), we believe the best way to learn construction is by doing it. Our Summer Internship Program gives college students the chance to gain hands-on experience, build real-world skills, and work alongside industry professionals who are shaping the communities we live in.

Applications open beginning in the fall of each year for the following summer. Positions fill quickly so apply early to secure your spot!

Three Focused Internship Tracks

Each path is designed to provide valuable exposure to a key part of the construction industry:

Field Engineer Intern
Operations
3 Positions Available
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Take-Off Engineer Intern
Estimating
3 Positions Available
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Project Engineer Intern
Project Management
6 Positions Available
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What to Expect as a GBI Summer Intern

You’ll gain exposure from both the office and field perspectives while:

  • Reviewing plans, spec books and processing timecards
  • Attending project owner and team meetings
  • Processing RFIs (Requests for Information)
  • Verifying field quantities and material submittals
  • Supporting pre-job qualification activities
  • Participating in site tours, leadership Q&As, and team-building events

 

What Sets Us Apart?

  • Diverse Project Portfolio
    Experience a wide variety of project types, scopes, and capabilities that we self-perform. From working with various materials to navigating complex obstacles, you'll gain exposure to design-build partnerships with owners and see every phase of construction firsthand.
  • Self-Performed Work
    The majority of our work is self-performed, giving you the unique opportunity to work directly with our crews from start to finish, top to bottom, across all divisions. You'll see projects through every stage with the GBI team.
  • Family-Owned Legacy
    Family-owned and operated for over 110 years. Our distinct welcoming, supportive culture and work atmosphere set us apart. When you join GBI, you're joining a team that values mentorship, respect, and long-term career development.

Your Career Starts Here

Many of our interns return as full-time employees after graduation

Whether your interests lie in project management, operations, or estimating, the GBI Internship Program gives you the foundation, mentorship, and real-world experience to launch a meaningful career in heavy civil construction.

University Recruiting Schedule

Upcoming Dates

Come Visit Us!

  • Cal Poly Construction Management Career Fair 9/23
  • Chico Info Session 10/7 5pm and 10/8 Interview Day
  • Cal Poly Info Session 2/18 12pm, and 2/19 Interview Day
  • Sac State Engineering Career Fair February 2027
  • Chico Info Session 2/24 5pm and 2/25 Interview Day

Ready To Get Started?

Explore our current internship openings and apply today!

Open Internships

  • Estimating - 2 Take-off Engineer Interns (San Rafael)
  • Operations - 2 Field Engineer Interns (North Bay, East Bay regions)
  • Project Management - 6 Project Engineer Intern (East Bay, North Bay, Marin regions)
  • Operations - 2 Yard Interns (San Rafael)