About the role#
As a Water/Wastewater Engineering Intern, you will gain hands-on experience by supporting our Water Business Group. You will work under the direct supervision of a professional or Project Manager to assist with real-world infrastructure projects. This role includes opportunities to connect with recent graduates and company leaders through mentoring programs and site tours of water and wastewater treatment plants.
What you'll do#
- Apply standard engineering techniques and procedures to project tasks.
- Review plans and specifications for water and wastewater treatment plants.
- Create and review process diagrams to verify system functionality.
- Use Excel to produce or verify design calculations.
- Write and review technical memorandums and reports.
What you'll need#
- Current enrollment in an undergraduate or graduate program for Civil, Environmental, Chemical, or Mechanical Engineering.
- Strong problem-solving and communication skills with high attention to detail.
- Basic proficiency in Microsoft Office.
- Demonstrated knowledge of software packages relevant to your field of study.
- Understanding of water and wastewater treatment practices and systems.
- Experience with Bluebeam Revu.
- Preference for candidates who have completed at least 2 years of their degree with a 3.0+ GPA.
Location & details#
- Location: Saint Louis Park, Minnesota.
- This is a full-time, paid, on-site internship.
- The position follows a rolling term.
About HDR
HDR is an employee-owned design firm based in Omaha, Nebraska. The company provides engineering, architecture, and construction services across a range of sectors including healthcare, transportation, and energy. It operates as a private organization with over 10,000 employees. The firm maintains a focus on collaborative projects and professional development for its staff.
How to get in at HDR
Securing an internship at HDR requires proactive timing, as early applicants are often reviewed before the candidate pool becomes crowded. Intern Insider sends an instant alert the moment a role matching your target is published, which helps you apply among the first and gain a visibility advantage. Applying quickly is a standard way to ensure your materials reach a human reader before the pile grows too large. You can use Intern Insider to identify the specific recruiters behind HDR roles so you can reach out directly to ask about the position or a potential referral. Connecting with a recruiter helps you stand out from the automated queue and materially improves your response rates. This direct approach is often more effective than relying solely on a standard application.



