Preconstruction Estimating Intern - Civil Engineering

DN Tanks LLC; El Cajon (CA); On-site; USD 27,000 - 39,000; Full time

Benefits offered by this job

Competitive hourly rate

Paid Time Off

Scholarship Opportunity

Gym membership discount

Employee referral program

Leadership training programs

Job summary

DN Tanks LLC in San Diego, CA invites an Engineering or Construction Management undergraduate to join as a Preconstruction Estimating Intern. You will gain hands-on experience with civil engineering and construction, mentored on real projects, from conception to completion.

This local internship offers about 20 hours per week starting January 2026, with potential summer opportunities; responsibilities include AutoCAD site layouts, Civil 3D earthwork takeoffs, and coordinating with subcontractors.

Qualifications

• Currently enrolled in an Engineering or Construction Management undergraduate program. A concentration in Civil Engineering is preferred.
• Experience working with CAD software (preferably AutoCAD) and Microsoft Office (Word, Outlook, and Excel).
• Excellent communication and time management skills.

Responsibilities

• Assist Regional Estimators with the evaluation of project site conditions and the generation of tank site layout drawings using AutoCAD.
• Prepare earthwork takeoffs using Civil 3D and sitework cost estimates using Excel.
• Solicit bid level pricing for cranes, rebar installation, fence work, and various other subcontractor scopes of work.

Skills

AutoCAD

Microsoft Office

Communication skills

Time management

Multi-tasking

Education

Engineering or Construction Management undergraduate program

Tools

Civil 3D

Job description

DN Tanks LLC in San Diego, CA invites an Engineering or Construction Management undergraduate to join as a Preconstruction Estimating Intern. You will gain hands-on experience with civil engineering and construction, mentored on real projects, from conception to completion.

This local internship offers about 20 hours per week starting January 2026, with potential summer opportunities; responsibilities include AutoCAD site layouts, Civil 3D earthwork takeoffs, and coordinating with subcontractors.