Preconstruction Estimating Co-op

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 Co-op 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 hiring for our January to June 2026 session.

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 Wakefield, Massachusetts

Benefits:

• Competitive Hourly Rate
• Paid Time Off
• $3,000 Scholarship Opportunity
• Co-op/Intern Cash Bonus Program
• 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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

DN offers a starting hourly rate of $24 per hour for interns and co-op students. This compensation is based on market rates and determined by considering many factors such as external market salary survey data, internal data for comparable roles, and the operational and budgetary objectives of the company.