Preconstruction Estimating Intern
dnllc· Estimating
About this role
Our culture is rooted in a shared vision — to help keep the world’s most precious resource safe — and in the core values that guide us in pursuing this vision and delivering on our mission to clients.
We provide the highest quality liquid storage design and construction services at the best long-term value with an unrivaled customer experience. We have built over 3,500 pre-stressed concrete liquid storage tanks over the past 90 years around the country and world, as a result we have become the leader in the industry when it comes to quality and innovation.
As a Preconstruction Estimating Intern at DN, you will gain hands-on experience in the exciting field of civil engineering and construction. With a dedicated mentor in the industry you will contribute to real projects, develop valuable skills, and learn about the lifecycle of heavy-civil construction projects, from conception to completion. This is a great opportunity to gain valuable experience, build your future, and make a tangible impact in the world!
We are seeking an intern local to San Diego, CA able to work approximately 20 hours per week beginning January 2026, with summer internship opportunities available.
Roles and 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.
- Preparation of Requests for Quotation after local subcontractors have been identified.
- Gain insight into the process of developing and bidding construction projects.
- Visit our local tank construction sites.
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.
- Ability to multi-task and prioritize work assignments.
- Ability to problem-solve in individual and team settings.
- Transportation to El Cajon, California
Benefits:
- Competitive Hourly Rate
- Paid Time Off
- Scholarship Opportunity
- Gym membership discount
- Employee referral program
- Leadership training programs
DN is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class. All employment is decided on the basis of qualifications, merit, and business need.
Frequently Asked Questions
What is the salary for the Preconstruction Estimating Intern role at dnllc?
The listed salary for this Preconstruction Estimating Intern position at dnllc is USD 24–25. This is an Intern/Co Op role.
Where is the Preconstruction Estimating Intern position at dnllc located?
This Preconstruction Estimating Intern role at dnllc is based in El Cajon, CA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Preconstruction Estimating Intern role at dnllc full-time or part-time?
This is listed as a Intern/Co Op position. It is posted as a Preconstruction Estimating Intern role in the Estimating department at dnllc.
Which team or department does the Preconstruction Estimating Intern at dnllc belong to?
This Preconstruction Estimating Intern position is part of the Estimating department at dnllc. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Preconstruction Estimating Intern position at dnllc?
Click the "Apply Now" button on this page. You will be redirected to dnllc's official application portal hosted on lever where you can submit your application directly.
When was the Preconstruction Estimating Intern job at dnllc posted?
This Preconstruction Estimating Intern position at dnllc was posted on Sep 30, 2026. Apply as soon as possible — early applications are often reviewed first.
Preconstruction Estimating Intern
dnllc · 💰 USD 24–25
You'll be redirected to dnllc's official application page on Lever.