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Brown and Caldwell is the largest engineering firm of its kind—solely focused on the U.S. environmental sector. With offices throughout the country, we have opportunities nationwide to work on some of our most exciting environmental projects.

Principal Water Resources Engineer

Work Location: Seattle, Washington
ID: 3069
Job Type: Full Time
Travel: 15%

For more than 70 years, Brown and Caldwell has been creating leading-edge environmental solutions for public agencies and private industry. We strive to be the environmental 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. As a privately held firm with over 1,500 employee-owners in 50+ offices nationwide, the opportunity awaits for you to advance.


Brown and Caldwell’s Seattle, WA office is looking for an experienced engineer to join our Water Resources team. Are you ready to take the next step in your career? Are you an individual who takes pride in delivering exceptional work? When you join Brown and Caldwell, you will enjoy a welcoming culture of top technical talent. You will find that we offer a non-hierarchical and supportive environment that promotes collaboration and development of innovative solutions for our clients. You will be trusted to deliver successful project work by to our external clients and project managers, and will be given the flexibility to manage your own schedule to achieve this. The work we do is interesting, challenging, and diverse.

  • Master planning and modeling for watersheds, stormwater, and/or wastewater utility systems
  • Systems modeling and decision support for water supply reliability, sustainable watershed management, integrated water resources planning and climate change adaptation
  •  Feasibility studies, alternatives analyses, and conceptual design development for surface water improvements such as green stormwater infrastructure, erosion control, water quality treatment, flood mitigation, and stream stabilization
  • Regulatory compliance related to surface water management (NPDES, NFIP, etc.)
  • Water quality modeling and TMDL implementation planning
  • Flood hazard mapping and mitigation planning and design
  • Decision making and optimization relating to criticality, risk, and reliability


As a Principal Engineer you will plan, develop, coordinate, and execute projects with full technical responsibility. You will be expected to act independently on technical matters pertaining to specialized areas, as well as direct the work of other engineers to achieve project goals and meet client expectations. In this role, you will work closely with our senior staff and client service managers to advance our technical services and support business development on a wide variety of water resources projects for both private and public sector clients. Additional responsibilities may include:

  • Develop project approaches to meet specific goals and objectives including the preparation of detailed scopes, schedules, and budgets
  • Manage multidisciplinary water resources engineering projects to achieve client goals within scope, schedule, and budget constraints
  • Provide consultation in specialized areas related to water resources engineering such as hydrologic and hydraulic modeling, environmental water quality, or statistical analyses
  • Direct the preparation and completion of comprehensive technical reports and presentations
  • Prepare and make presentations for professional meetings with clients and technical teams
  • Support and lead business development endeavors such as client outreach, proposal writing, and interviews
  • Participate in improving company resources and tools to improve quality and efficiency
  • Supervise, delegate, direct, coach and mentor junior technical staff

Desired Skills and Experience

  • Bachelor’s degree in civil or environmental engineering with an emphasis in surface water; Master’s preferred
  • 15 years of engineering experience in water resources or related field with progressively increasing responsibility
  • Professional Engineer (PE) registration in State of Washington or ability to obtain within 6 months
  • Hydrologic and hydraulic modeling experience in support of water/wastewater/stormwater planning and design projects, including knowledge of surface water hydrology, open channel and closed conduit hydraulics, inflow and infiltration in collection systems, water quality, and related statistical methods
  • Proficiency with advanced modeling, data management, and/or statistical software a plus (e.g., EPA-SWMM, MIKE-URBAN, InfoWorks ICM, HEC-HMS, HEC-RAS, HSPF, CE-QUAL, ArcGIS, Excel      VBA, GoldSim, Statistica, or R)
  • Strong written and verbal communication skills with demonstrated ability to prepare effective written documents
  • Strong project management skills with demonstrated experience managing staff within scope/schedule/budget
  • Successful marketing, proposal writing, and proposal management experience a plus

Join, Grow, Have Fun

We’re growing and having fun while doing it. Brown and Caldwell provides a comprehensive benefits program and a culture that promotes employee performance and success. We recognize that you are looking for a career path with opportunities to grow personally and professionally. We have a strong focus on employee development and offer defined advancement through our Career Path Framework; tuition reimbursement; honorariums for papers and presentation as well as project management training (BC is a PMI Registered Education Provider). Our work environment promotes a flexible and collaborative culture, an extensive knowledge-sharing infrastructure and more. Our values of working hard and with integrity combined with learning, growing and having fun make Brown and Caldwell your employer of choice.

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

Brown and Caldwell is proud to be an EEO/AAP Employer-Minorities/Women/Disabled/Protected Veterans are encouraged to apply.  

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