Water/Wastewater Hydraulic Modeler

Fashion Institute of Design & Merchandising; San Diego (CA); On-site; USD 90,000 - 140,000; Full time

Job summary

HDR is seeking a Water/Wastewater Hydraulic Modeler to join our Water Business Group in California. You will develop hydraulic models from GIS data and as-built drawings, calibrate models with field data, and analyze key hydraulics metrics to support safe, sustainable water infrastructure.

You will prepare reports and project master plans, coordinate with teams, and contribute to budgets and schedules while staying current with industry practices and client needs.

Qualifications

• Bachelor's degree in Civil, Environmental or related engineering fields.
• Minimum 3 years of experience executing technical studies, analyses, and/or designing and creating plans and specifications for water-focused projects.
• Requires PE license recognized by the licensing board (PE or P.Eng).
• Ability to work independently and with a project team to completion of tasks.
• Active participation in an employee-owned culture is a must.

Responsibilities

• Develop hydraulic models using GIS data and as-built drawings.
• Collect field data for hydraulic model calibration.
• Analyze flow, demand, population, water quality, and facilities condition data.
• Perform hydraulic analyses using various software programs.
• Prepare technical reports and master plans with text, tables, and figures.
• Communicate effectively with all project team members.
• Maintain task and project budgets and schedules.
• Manage multiple priorities and deadlines.
• Assist with marketing activities, including client outreach and proposal development.
• Maintain professional competency through continuing education and professional society involvement.

Skills

Analytical skills

Communication skills

Independent worker

Education

Bachelor's degree in Civil/Environmental Engineering

MS Degree in Civil or Environmental Engineering

Tools

InfoWater

InfoSewer

InfoWorks ICM

InfoSWMM

EPANet

ArcGIS/ArcGISPro

XPSWMM

SewerGEMs

WaterGEMs

Job description

Water/Wastewater Hydraulic Modeler - ( 196344 )

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 water is more than a resource, it's a shared responsibility. As part of our WaterBusiness 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.

In the role of Water/Wastewater Hydraulic Modeler, we'll count on you to:

• Developing hydraulic models using GIS data and as-built drawings
• Collecting and assessing field data for hydraulic model calibration
• Analyzing flow, demand, population, water quality, and facilities condition data
• Performing hydraulic analyses utilizing a variety of software programs
• Performing technical research into product information, design codes, and regulatory standards
• Preparing technical reports and master plans, including the development of text, tables and figures
• Communicating effectively with all project team members
• Maintaining task/project budgets and schedules
• Managing multiple priorities and deadlines
• Assisting with marketing activities, including client outreach and proposal development
• Maintaining professional competency, which may require attending education classes and seminars, reading professional publications, and attending professional society meetings #LI-JF1

Keywords: Water/Wastewater Hydraulic Modeler, hydraulic modeling, InfoWater, InfoSewer, InfoWorks ICM, InfoSWMM, XPSWMM, SewerGEMs, WaterGEMs, EPANet, ArcGIS/ArcGIS Pro, water/wastewater planning, hydraulic analysis

Preferred Qualifications

• MS Degree in Civil or Environmental Engineering
• Experience with modeling software applications such asInfoWater, InfoSewer, InfoWorks ICM, InfoSWMM, XPSWMM, SewerGEMs, WaterGEMs, EPANet, and ArcGIS/ArcGISPro
• Strong understanding of best practices for developing, calibrating, and using hydraulic models and managing GISdatabases
• Strong interest in a career in water/wastewater planning and hydraulic analysis
• Proficiency in fundamentals of water/wastewater hydraulics and the analysis of demand and supply aspects of both pressure and gravitypipe systems and pump stations
• Proficiency in Microsoft tools including Outlook, Word, Excel, Access and PowerPoint
• Excellent computational analytics, writing and communication skills

Required Qualifications

• Bachelor's degree in Civil, Environmental or related engineering fields
• A minimum of 3 years experienceexecuting technical studies, analyses, and/or designing and creating plans and specifications for water focused projects
• Requires professional engineering license recognized by the licensing board for the location of the position offered. Example:Professional Engineer (PE or P.Eng) license.
• Abilityto make independent decisions and be accountable for the results
• Self-motivated, able to work independently and with a project team to completion of a task
• 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.

Primary Location

—

Other Locations

United States-California-Irvine

Industry

Water

Schedule

Full-time

Employee Status

Regular

BusinessClass

Utility Management Services

Job Posting

Oct 1, 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.

Ready to learn more? Let's work together to make great thingspossible.

We design solutions to the world's greatest challenges. We'realways looking for great talent to join our global teams.