Intern Civil Engineer: Water/Drainage - Summer 2026
About The Position
At HNTB, you can create a career that is meaningful to you while building communities that matter to all of us. For more than a century, we have been delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of employee-owners. Our Santa Ana and Ontario, CA offices are seeking Civil Engineering Interns for our 2026 summer program to work with our Water/Drainage Team. The Water/Drainage team specializes in planning, designing, and delivering innovative solutions for water infrastructure and stormwater management. Typical work includes hydraulic and hydrologic analysis, flood control systems, drainage design for transportation projects, and sustainable water resource strategies. The team collaborates closely with municipalities and agencies to ensure compliance with environmental regulations while supporting resilient infrastructure that meets community needs. Relocation and housing are NOT provided for these positions.
Requirements
- High School Diploma/GED or equivalent plus current enrollment in an accredited post-secondary engineering program
- Understands engineering, geometric, and algebraic principles at a basic level.
- Shows proficiency with Microsoft Office Suite.
- Accepts and applies direction from peers and supervisors.
- Obtains an understanding of introductory shop drawing and submittal procedures and requirements.
- Ability to perform basic engineering calculations
- Ability to organize information for use in drawings or other documents
Nice To Haves
- Completion of 2 years of post-secondary engineering program
- AutoCAD and/or Microstation experience
- Strong interest in transportation and infrastructure
Responsibilities
- Assists engineer teams in various tasks and duties.
- Assists Engineer with research, development and design of projects.
- Assists Engineer with the preparation of engineering drawings and documents as assigned.
- Performs other duties as assigned.
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What This Job Offers
Career Level
Intern
Industry
Professional, Scientific, and Technical Services
Education Level
High school or GED
Number of Employees
1,001-5,000 employees
