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Intern Advantage Program - Southern California - 2026

Mccarthy Building Companies, Inc.

The Role

Overview

Summer intern supporting project engineers on active construction projects.

Key Responsibilities

  • mep coordination
  • contract administration
  • procurement
  • safety monitoring
  • as-built
  • shop drawings

Tasks

-Mechanical, electrical and piping systems coordination -Assist team with General Contract and Subcontract administration -Participation in and documentation of project coordination meetings -Material & Equipment – procurement and expediting -Research and suggest options on construction means, methods and equipment -Monitor and document job-site safety and accident prevention -Maintenance of As-Built plans -Shop drawing and submittal review and coordination

Requirements

  • quality control
  • construction scheduling
  • construction management
  • sophomore
  • junior
  • bachelor's

What You Bring

-Exposure to and monitoring of quality control - field and shop -Willingness to relocate and/or commute for the internship duration required. -General knowledge of construction principles/processes -Valid interest in pursuing a career in Construction/Project Management required -Exposure to Construction Scheduling -Students with Sophomore or Junior standing currently working towards a Bachelor's degree in Construction Management, Construction Engineering, Civil Engineering, Electrical Engineering, Mechanical Engineering, or related major

The Company

About Mccarthy Building Companies, Inc.

-Evolved from a regional lumber business into one of America’s oldest privately held national builders. -Serves diverse sectors including energy, infrastructure, industrial, water, and marine with end-to-end construction services. -Known for tackling complex projects such as hospitals, labs, airports, and parking structures. -Features include blending traditional craftsmanship with modern design-phase innovation. -Balances large-scale capability with local expertise and deep community roots.

Sector Specialisms

Healthcare

Education

Science + Technology

Sports + Entertainment

Retail + Hospitality

Industrial

Commercial

Government

Mission Critical

Residential

Mixed-Use

Transportation

Infrastructure

Energy

Water Resources

Heavy Civil

Marine

Utilities

Solar

Wind

Nuclear