Water/Wastewater Engineering Intern

HDR; Billings (MT); On-site; USD 33,000 - 36,000; Full time

Job summary

HDR is seeking a Water/Wastewater Engineering Intern in Montana to gain real-world experience on exciting projects within our Water Business Group. You will work under direct supervision, applying standard engineering techniques and procedures while engaging with mentors and leaders across the company.

The role emphasizes attention to detail, problem-solving, and communication skills, with opportunities to collaborate on diverse water resources challenges in Missoula or Billings.

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.
• Prefer 2 years completed toward civil engineering degree with 3.0+ GPA

Responsibilities

• 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

Skills

Attention to detail

Strong problem-solving

Communication skills

Basic Microsoft Office

Education

Currently enrolled in undergraduate/graduate Engineering program

Job description

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 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

At HDR, we are committed to the principles of employment equity. We are an affirmative Action and Equal Opportunity Employer (https://www.hdrinc.com/equal-employment-opportunity-employer). We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.