Hydraulics EIT​/Designer

Overview

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?"

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.

• Work under the direction of multiple project engineers to apply design, engineering and modeling techniques in the development of transportation and water resource projects for local municipalities, state and federal clients.
• Work independently on small projects or assist more‑senior engineers on larger projects.
• Site studies, site designs, contract documentation preparation and graphic presentation; prepare civil design drawings with BIM/CADD platforms for construction documents.
• Hydrologic and hydraulic evaluations and calculations.
• Prepare drainage maps.
• Stormwater management facility design calculations and modeling.
• Prepare construction/contract plans, specifications and cost estimates.
• Perform flooding complaint investigations.
• Assist with writing reports and technical memos.
• Drainage design permitting support.
• Water quality assessments and calculations.
• Floodplain impacts and compensation calculations.
• Bridge hydraulic and scour evaluations and calculations.
• Prepare cost opinions and write technical documents.
• Support construction phase implementation of infrastructure.

• Bachelor's degree in Civil, Environmental, Transportation, Structural Engineering or a related field.
• Applicable experience performing drainage design for highway/roadway projects, preparing plans and specifications, and permitting experience.
• EIT or the ability to obtain within 12 months; candidates hired without their EIT will be called a Hydraulics Designer and will be expected to obtain EIT for career progression.
• Knowledge/experience with GIS.
• Knowledge of hydrologic and hydraulic design software such as HEC-HMS, HEC-RAS, Hydraflow, Storm
  
  CAD, Civil Storm, HY-8, Flowmaster, Storm and Sanitary Analysis, Hydro
  
  CAD, and Info Drainage.
• Knowledge of Civil 3D pipe networks.

• Bachelor's degree in Engineering or similar field.
• An attitude and commitment to being an active participant of our employee‑owned culture is a must.

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.

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.)

Primary

Location:

United States – Montana – Missoula

Highway + Road

Full‑time

Regular

Jan 16, 2026