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HDR invites applications for a Water/Wastewater Intern in Missouri. The role supports the Water Business Group with real-world engineering tasks, including water treatment, distribution, and wastewater conveyance projects.
You will work under a Project Manager's supervision on calculations, drafting, site visits, and report preparation. Ideal candidates are enrolled in an undergraduate or graduate Engineering program with strong problem-solving and communication skills, basic MS Office
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?
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.
We believe water is more than a resource, it's a shared responsibility. As part of our WaterBusiness 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.
We'll count on you to:
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.
Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.
United States-Missouri-Kansas City
United States-Missouri-Columbia, United States-Missouri-St Louis, United States-Missouri-Springfield
Water
Full-time
Temporary
BusinessClass : Water Treatment
Sep 2, 2026
At HDR, we are committed to the principles of employment equity.
We are an Affiritive Action and Equal Opportunity Employe r.
We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.
We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.