Transportation Hydraulics Intern

HDR, Inc.; Denver (CO); On-site; USD 28,000 - 39,000; Full time

Job summary

HDR is seeking a Transportation Hydraulics Engineering Intern in Denver to gain real-world experience on transportation and water resources projects. You’ll work with engineers on hydrologic and hydraulic modeling, drainage design, and stormwater management while benefiting from HDR’s employee-owned culture and mentoring programs.

Ideal candidates are enrolled in an engineering program with coursework in hydraulics/hydrology and a 3.0+ GPA, with strong problem-solving and communication skills.

Qualifications

• Currently enrolled in an undergraduate or graduate Engineering program.
• 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.
• Preferred focus in civil engineering with coursework in water resources, hydraulics, hydrology, transportation, or related disciplines.
• Prefer 2 years completed toward degree with 3.0+ GPA.
• Internship will be held in the Denver office, preference will be given to returning and local candidates.

Responsibilities

• Assist with hydrologic and hydraulic evaluations and engineering calculations for transportation projects.
• Support preparation of drainage maps, technical memoranda, and engineering reports.
• Assist with stormwater management facility design calculations and modeling.
• Support floodplain impact evaluations, floodplain compensation analyses, and bridge hydraulics/scour assessments.
• Assist with preparation of construction plans, specifications, quantity calculations, and cost estimates.
• Develop and update civil design drawings using MicroStation OpenRoads Designer, AutoCAD Civil 3D, or other design software.
• Assist with drainage permitting documentation and regulatory coordination activities.
• Participate in site visits and field investigations to support project development and design.
• Perform assignments under the direct supervision of a professional engineer or project manager.
• Perform other duties as needed.

Skills

Problem solving

Communication

Education

Undergraduate/Graduate engineering student

GPA 3.0+

Tools

MicroStation OpenRoads Designer

AutoCAD Civil 3D

Microsoft Office

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 transportation is more than movement, it’s the foundation of connected, thriving communities. As part of HDR’s Transportation Business Group, you’ll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to advancing transit, passenger and freight rail, aviation, federal transportation ports and marine infrastructure, your work will directly support economic vitality, public safety, sustainable and resilient communities and quality of life. We bring together planners, engineers, architects, construction management staff, environmental, strategic communications, economists, management consultants and specialists across disciplines to solve complex mobility challenges with innovation, technical excellence, and a deep understanding of community needs. Whether you're modernizing aging infrastructure or pioneering next-generation transportation solutions, your contributions will help define the future of mobility. This isn’t just a job, it’s a chance to lead progress, drive meaningful impact, and leave a legacy of smarter, more connected transportation networks. We are all employee-owners at HDR, which is the foundation of our collaborative culture that connects employees around the world.

In the role of Transportation Hydraulics Engineering Intern, we will:

• Offer real-world experience on exciting transportation and water resources projects
• Provide opportunities to work with experienced engineers on hydrologic and hydraulic modeling, stormwater management, and drainage design.
• Demonstrate the benefits of being a part of an employee-owned company
• Provide opportunities to connect with recent college graduates and our company leaders through mentoring and young professionals programs

In the role of Transportation Hydraulics Engineering Intern, we will count on you to:

• Assist with hydrologic and hydraulic evaluations and engineering calculations for transportation projects.
• Support preparation of drainage maps, technical memoranda, and engineering reports.
• Assist with stormwater management facility design calculations and modeling.
• Support floodplain impact evaluations, floodplain compensation analyses, and bridge hydraulics/scour assessments.
• Assist with preparation of construction plans, specifications, quantity calculations, and cost estimates.
• Develop and update civil design drawings using MicroStation OpenRoads Designer, AutoCAD Civil 3D, or other design software.
• Assist with drainage permitting documentation and regulatory coordination activities.
• Participate in site visits and field investigations to support project development and design.
• Perform assignments under the direct supervision of a professional engineer or project manager.
• Perform other duties as needed.

Preferred Qualifications

• Preferred focus in civil engineering with coursework in water resources, hydraulics, hydrology, transportation, or related disciplines.
• Prefer 2 years completed toward degree with 3.0+ GPA
• Demonstrated knowledge of software packages related to field of study/industry
• Internship will be held in the Denver office, preference will be given to returning and local candidates

Required Qualifications

• Currently enrolled in an undergraduate or graduate Engineering program
• 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.

Industry

Transit

Schedule

Full-time

Employee Status

Temporary

Job Posting

Oct 16, 2026

At HDR, we are committed to the principles of employment equity.

We are an Aff…

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.