2026 Summer Construction Internships Job at CORE Builders in San Jose

This is an on-site position; SF Bay Area local candidates only. Relocation assistance is not available for this position.

Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time.

About CORE Builders:

CORE Builders is a premier general contractor based in San Jose, CA, specializing in multi-family housing construction. We deliver high-quality projects on time with a commitment to excellence, safety, and client satisfaction. Our collaborative culture and innovative approach make us a great place to launch your construction career.

Position Summary:

CORE Builders offers internship opportunities across three key areas of construction operations:

• Project Engineer Intern – Office-based support for project management and coordination
• Field Engineer Intern – On-site support for construction activities and field operations
• Preconstruction/Estimator Intern – Office-based support for estimating and preconstruction planning

Interns will gain hands-on experience, mentorship, and exposure to real-world construction processes. You’ll work alongside experienced professionals and contribute meaningfully to active projects.

Responsibilities by role:

Project Engineer Intern

• Assist with submittals, RFIs, and document control using Procore
• Support coordination meetings and redline plans
• Help prepare exhibits and update project binders
• Take progress photos and assist with communication between field and office teams

Field Engineer Intern

• Track subcontractor progress and participate in site walks
• Support safety documentation and SWPPP monitoring
• Assist with field documentation and redlining plans
• Upload documents and provide daily field updates

Preconstruction/Estimator Intern

• Assist with conceptual budgeting and bid scope development
• Support subcontractor bidding, evaluations, and proposal preparation
• Help prepare baseline schedules and cost estimates using OST
• Participate in design reviews and change management processes
• Collaborate with Marketing and project teams on presentations

Qualifications:

• Pursuing a degree in Construction Management, Civil Engineering, or a related field
• Strong communication and organizational skills
• Ability to read and understand construction documents
• Comfortable using Microsoft Office Suite, Procore, and Bluebeam
• Self-starter with a willingness to learn and contribute

Anticipated Hourly Rate:

$30.00 per hour

Equal Opportunity Employer

CORE Builders is an equal opportunity employer. CORE Builders shall not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, age, national origin, sexual orientation, gender identity and expression, domestic partner status, pregnancy, disability, citizenship, genetic information, protected veteran status, or any other characteristic protected by federal, state, or local law.