Water Resources Intern (Summer 2026)

HDR • Sacramento, CA

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About The Position

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?
We believe water is more than a resource, it's a shared responsibility. As part of our Water Business Group, you’ll help shape how communities manage water for generations to come. From delivering safe drinking water and treating wastewater responsibly to developing sustainable water supplies and protecting lives and property through flood control, your work will directly support public health, environmental sustainability, and infrastructure resilience. We bring together experts across disciplines to solve complex challenges with bold thinking and technical excellence. Whether you're modernizing aging systems or pioneering innovative approaches, your contributions will make a meaningful difference in people’s lives. This isn’t just a job, it's a chance to lead change, drive progress, and leave a lasting legacy
Watch Our Story:' https://www.hdrinc.com/our-story'

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

HDR is looking for summer 2026 Water Resources Intern candidates to join our Water Business Group in Sacramento, CA.
As a Water Resources intern at HDR, you will work with a team of licensed engineers, engineers in training on different project types and with diverse professionals. Our goal will be to engage you in all facets of our work so that you will gain a better understanding of how your coursework is applied in real-world settings and inspire you to engage in a career in water resources upon graduation. We are seeking a smart, creative, and hard-working individual to join our team with potential for a career in the dynamic, diverse, and employee-owned culture of HDR.

Requirements

• Currently enrolled in an undergraduate or graduate Engineering program
• Attention to detail is a must
• Ability to work independently and as part of a team
• Self-starter with excellent writing, comprehension, problem-solving and communication skills
• Basic Microsoft Office skills
• An attitude and commitment to being an active participant of our employee-owned culture is a must

Nice To Haves

• Prefer 2 years completed toward degree with 3.0+ GPA pursuing a degree in Civil or Environmental Engineering with a focus on water or a closely related field
• Demonstrated knowledge of software packages related to field of study/industry
• Preference given to local candidates

Responsibilities

• Support engineering design, modeling, and planning projects
• Demonstrate strong interpersonal skills and ability to work both independently (with guidance of a PE) and as part of a group.
• Ability to follow instructions, ask questions, and resolve basic challenges in a team environment through collaboration and dialogue.
• Utilize strong oral and written verbal communication skills and be able to clearly describe work in written reports, presentations, technical memos, and emails.
• Possess knowledge of the scientific process and ability to solve problems using advanced math, physics, logic, and science.
• Demonstrate strong analytical skills and be able to learn various modeling applications to solve water resources, hydrology, and hydraulics problems. Software they will need to learn includes hydrologic and hydraulic modeling software such as HEC-HMS and HEC-RAS. Possess strong knowledge of geography and ability to learn to use geospatial software and learn to solve geospatial problems related to water resources.
• Ability to use MS Excel or other types of basic analytical applications to solve modeling and design related questions, perform calculations, and/or to perform logical analyses related to water resources problems.
• Perform other duties as needed

What This Job Offers

• Career Level: Intern
• Education Level: No Education Listed