Water Resource Modeler

Ulteig is hiring a Staff Water Resource Modeler in Fairfax Station, VA. The role involves developing and applying water resource models for hydrology, sediment, and water quality, collaborating with engineers and scientists. Candidates should have a graduate degree in engineering or science, experience with hydrology models, and skills in programming. The position requires strong analytical abilities and teamwork in a collaborative environment.
Position: Staff Water Resource Modeler
Location: Fairfax Station

The Opportunity

Ulteig is seeking qualified candidates for a Staff Modeler position within the Transportation & Water Team. The Staff Modeler is responsible for supporting the development and application of water resources model applications for simulating hydrology, sediment, and water quality across both urban and natural water systems. This individual will work closely with our experienced team of engineers, scientists, planners, and software developers to apply models that support our client's program needs in the areas of regional planning, regulatory compliance, reporting and tracking, alternative scenario assessment, and climate change and resiliency analyses.

What You'll Do
• Develops and applies hydrologic, hydraulic, and water quality models to simulate watershed processes and water systems
• Uses modeling tools such as SWMM, HSPF, LSPC, CE-QUAL-W2, SWAT, and MODFLOW, or similar software
• Collects, processes, and interprets hydrologic, climatic, land use, and water quality data for model input and calibration
• Analyzes surface water and groundwater flow, runoff, sediment transport, and pollutant loading data
• Calibrates and validates models using observed data to ensure reliability
• Conducts scenario analyses to evaluate the impacts of land use change, climate variability, or infrastructure improvements on water systems
• Prepares technical reports, maps, and visualizations to communicate model results to stakeholders and decision-makers
• Collaborates with engineers, scientists, planners, and public agencies to integrate modeling results into broader water resource management strategies
• Stays current with modeling best practices, advancements in modeling tools and techniques, and regulatory requirements

What We Expect from You
• Graduate degree in engineering or science with an emphasis on hydrology, modeling, analytical approach development, and GIS
• A solid understanding of basic hydrology, sediment, and water quality principles
• Experience with at least one common hydrology, hydraulic, sediment transport, and/or water quality models model application (e.g. LSPC, SWMM, HSPF, CE-QUAL-W2, and SWAT)
• Experience with stormwater best management practice modeling
• Experience with programming in Python or R
• Experience with machine learning and/or optimization techniques a plus
• Experience with compiled programming languages (e.g., C, C++, C#) or demonstrated ability to update and maintain model code a plus
• Experience in Microsoft Software Applications (Word, Excel, PowerPoint)
• Ability to prioritize and multi-task under strict deadlines
• Must be comfortable working in a highly collaborative team environment
• Demonstrated initiative and drive to succeed with new and challenging tasks
• Strong interpersonal skills with the ability to establish and maintain effective working relationships with staff, management, public and external agencies
• Must have authorization to work permanently in the U.S.

What You Can Expect from Ulteig

Ulteig is a purpose-driven organization that has built a culture focused on people – both our clients and our employees – for over 80 years. Working at Ulteig is more than a job, opening opportunities to make an impact by creating and solving for a sustainable future. We recognize our success relies heavily on the dedication and focus of our workforce;

this is why we make investing in our employees a top priority. We prioritize flexibility and staying connected to meet your needs and help you achieve your goals. We value your unique perspective, respect your individuality and celebrate your contributions. At Ulteig, we take our own success and the success of our clients personally.

We offer our team members:
• Flexible Workplace
• Employee Ownership
• Competitive Pay
• Comprehensive Benefits Package
• Collaborative Environment
• Innovative Culture

Our vision is to be the most trusted partners transforming our world’s critical infrastructure. Ulteig connects people and resources to develop compelling, integrated solutions across multiple Lifeline Sectors, including Power, Renewables, Transportation, and Water. Ulteig is a trusted partner in engineering North America’s essential infrastructure and leverages its expertise with a wide range of public and private clients.

If you would like to be a part of a company that empowers their employees, apply today!

Ulteig is a Drug-Free Workplace

ACHIEVE | GROW | COLLABORATE

Additional Opportunity Details:
Target Base Compensation Range for this role is $88,500 - $118,500
• Factors that may be used to determine your actual salary include your job-specific skills, education, training, job location, number of years of experience related to this role, and comparison to other employees already in this role.

This position will be posted for a minimum of 3 days and will continue to be posted for an average of 60 days until a qualified applicant is selected or the position has been canceled.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
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