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Water/Wastewater Hydraulic Modeling/Planning Engineer

Brown and Caldwell
Honolulu, HI Full Time
POSTED ON 11/18/2025
AVAILABLE BEFORE 1/18/2026

Brown and Caldwell (BC) is a pioneer and recognized industry leader in wastewater, drinking water, water resources, stormwater, infrastructure, environmental planning and permitting, and program management. BC serves both municipal and private sector clients throughout the US and beyond.

Our Pacific Area team has an exciting opportunity for an Engineer to join our team. In this role, you will use your experience and education to perform water and wastewater system hydraulic modeling and analyses, evaluate potential improvements to optimize system performance, and support the development of master plans.

Detailed Description:

In this role, you will work closely with our technical experts, project teams, and client service managers to advance our technical services and support a wide variety of water and wastewater system projects for primarily public sector clients. Typical projects could involve:

  • Modeling and master planning for municipal water and wastewater utilities
  • Creating, updating, and calibrating hydraulic models
  • Analyzing rainfall and flow trends and forecasting future water demands and wastewater flows
  • Assessing and identifying water distribution deficiencies, wastewater capacity limitations, predicting future issues, and developing solutions for planning and design projects
  • Preparing feasibility studies, alternatives analyses, and conceptual design documents for water and wastewater infrastructure improvement projects
  • Developing master plan documents and supporting materials and spreadsheets including geographic information system (GIS) maps and figures

Additional Job Duties include but are not limited to the following:

  • Perform modeling and planning of water distribution, supply and transmission systems as well as wastewater collection systems
  • Coordinate with clients and serve as the main point of contact
  • Evaluate pump station hydraulics
  • Prepare comprehensive technical reports, presentations, and conceptual design documents
  • Manipulation and analysis of data using spreadsheets, tools, and GIS
  • Periodic travel to project and client sites for data collection and meetings
  • Assist in technical portion of proposal preparation by developing work approach, schedule and level of effort for modeling and planning project pursuits
  • Participate in client development activities
  • Participate in and contribute to BC’s master planning and modeling practice, improving company resources and tools to improve quality and efficiency
  • Perform other duties and responsibilities as assigned

Desired Skills and Experience:

  • Bachelor’s degree in civil or environmental engineering required.
  • Basic knowledge of water and wastewater infrastructure hydraulics, modeling, and planning.
  • Ability to work effectively as a member of a team
  • 0 - 3 years of related experience in hydraulic engineering.
  • Strong technical writing and verbal communication skills with demonstrated ability to prepare effective written documents
  • Organizational and analytical skills with high attention to detail
  • Experience with sewer collection infrastructure modeling and planning is preferred
  • Interest in modeling, data management, and related software packages (e.g., InfoWater, InfoWorks, InfoSurge, WaterGEMS, WaterHAMMER, EPANET, EPA-SWMM, ArcGIS, Excel, Power BI, etc.)
  • Valid driver's license and good driving record required

Salary Range: The anticipated starting pay range for this position is based on the employee’s primary work location and may be more or less depending upon skills, experience, and education.  These ranges may be modified in the future.

Location B: $64,000 - $87,000

You can view which BC location applies to you here. If you have any questions, please speak with your Recruiter.

Benefits and Other Compensation:  We provide a comprehensive benefits package that promotes employee health, performance, and success which includes medical, dental, vision, short and long-term disability, life insurance, an employee assistance program, paid time off and parental leave, paid holidays, 401(k) retirement savings plan with employer match, performance-based bonus eligibility, employee referral bonuses, tuition reimbursement, pet insurance and long-term care insurance. Click here to see our full list of benefits.

About Brown and Caldwell

Headquartered in Walnut Creek, California, Brown and Caldwell is a full-service environmental engineering and construction firm with 52 offices and 1,900 professionals across North America and the Pacific. For 75 years, we have created leading-edge environmental solutions for municipalities, private industry, and government agencies. We strive to be the company of choice—to our clients, who benefit from our passion for delivering exceptional quality, and to our employees, present and future, who share our commitment to client service, collaboration, and innovation. Join us, and you will find a home where you can do your best work, reach new levels of expertise, and enjoy exceptional development opportunities. For more information, visit www.brownandcaldwell.com

This position is subject to a pre-employment background check and a pre-employment drug test.

Notice to Third Party Agencies: Brown and Caldwell does not accept unsolicited resumes from recruiters or employment agencies. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement and approved engagement request with Brown and Caldwell, Brown and Caldwell reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.  

Brown and Caldwell is proud to be an EEO/AAP Employer.  Minorities/Women/Disabled and Protected Veterans are encouraged to apply.  Brown and Caldwell ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964.

 

Salary : $64,000 - $87,000

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