Irrigation Water Engineer

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 work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on 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.
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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.

Primary Responsibilities

HDR Engineering is in search of an experienced Irrigation Water Engineer to join our Montana team and be an integral part of our growing irrigation practice.

With a focus on water resources planning, hydrology/hydraulics, drainage, flood control design, and irrigation, the Water Resources Engineer will be responsible for leading the production of project deliverables from the planning stages and initial design calculations to the final reporting and development of the plans and specs. Focused on large civil works projects such as detention facilities, irrigation pumping and conveyance facilities (including diversion and control structures), reservoirs, and other hydraulic structures, the engineer will be an integral part of our growing practice within Montana and the region.

Preferred Qualifications

• Master's degree
• A minimum of 3 years experience in water resources engineering projects

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Required Qualifications

• Bachelor's degree in Engineering or equivalent field
• Previous experience in water resources engineering projects
• Professional Engineer (PE) license
• Experience with HEC-1, HEC-HMS, HEC-RAS, GEO-RAS, storm drain system analysis
• Excellent oral and written communication 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.

HDR provides 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 off, parental leave, paid holidays, 401(k) retirement savings plan with employer match, employee referral bonus and tuition reimbursement. The expected compensation range for this position is $70,000 - $105,000 annually depending upon skills, experience, education and geographical location. (Stated benefits are for full-time regular positions. Temporary and part-time roles are eligible for limited benefits.) Primary Location: United States-Montana-Missoula Other Locations: United States-Montana-Billings, United States-Montana-Helena, United States-Montana-Kalispell, United States-Montana-Bozeman, United States-Montana-Butte Industry: Water Schedule: Full-time Employee Status: Regular BusinessClass: Water Supply Management Job Posting: Oct 9, 2025