Senior Hydrogeologist

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? Watch Our Story: In the role of Senior Hydrogeologist, we'll count on you to Provide high-level technical expertise with regard to hydraulic/hydrologic analysis, modeling and investigation Specialize in project areas that have greater scope and complexity Plan and develop projects or design activities that have significant impact on major company programs as needed Plan, organize and supervise work of medium to large staff of professionals and technicians Serve as Project Manager on larger projects as needed, though project management is not sole focus of position Water supply planning and permitting Well and pump system design Groundwater or surface water modeling Water quality investigations Report writing Perform other related duties as necessary Preferred Qualifications Experience in mining or alternative hydrogeologic experience is preferred. Local candidates preferred. Must be willing to work out of one of our Montana offices. Required Qualifications Bachelor's degree in Environmental Studies, Hydrology, Civil Engineering, Water Resources or closely related field 10 or more years of analysis, modeling and design and management experience Project management skills a plus 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}: $108,000- $ 155,000 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 Treatment Job Posting: Jul 20, 2026 At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer ( We consider all qualified applicants, regardless of criminal histories, arrest and conviction records. #J-18808-Ljbffr HDR