Water/Wastewater Engineering Intern

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: ' ' 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 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. In the role of Water/Wastewater Engineering Intern, we'll count on you to: Gain real-world experience on exciting projects Connect with recent college graduates and our company leaders through mentoring and young professionals programs Apply standard engineering techniques and procedures Perform assignments under the direct supervision of a professional or Project Manager Perform other duties as needed Preferred Qualifications Prefer 2 years completed toward civil engineering degree with 3.0+ GPA Demonstrated knowledge of software packages related to field of study/industry Local candidates preferred Must be able to report to Missoula, MT or Billings, MT Required Qualifications Currently enrolled in an undergraduate or graduate Engineering program Attention to detail Possess strong 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 What We Believe 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. Our Commitment 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. We provide a comprehensive benefits package that promotes employee ownership, employee health, performance, and success, which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time away, parental leave, paid holidays, a retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position depends upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles eligible for limited benefits.) Montana: $24 - $26 Primary Location: United States-Montana-Missoula Other Locations: United States-Montana-Billings Industry: Water Schedule: Full-time Employee Status: Temporary BusinessClass: WW Treatment and Effluent Mgmt Job Posting: Sep 3, 2026 #J-18808-Ljbffr HDR, Inc.