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Consultant Design Engineer​/Assistant Project Manager

Job in Seattle, King County, Washington, 98127, USA
Listing for: WSP USA
Full Time position
Listed on 2026-07-16
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer, Water Management
Salary/Wage Range or Industry Benchmark: 78600 - 135000 USD Yearly USD 78600.00 135000.00 YEAR
Job Description & How to Apply Below

Your Impact

  • Lead and perform engineering design work for water utility projects (drinking water, wastewater) in support of senior design engineers
  • Provide and/or manage engineering design work services for water/wastewater utility projects
  • This could include studies, analysis, and design of water treatment and distribution systems, as well as wastewater collection and treatment systems, which may include pump/lift stations, wells, chemical feed systems, and storage reservoirs
  • Lead development of modeling techniques, design requirements, and operating strategies to meet the water and wastewater requirements of various clients and project teams
  • Lead coordination with local utilities to facilitate necessary utility relocations as part of the water/wastewater project design process
  • Setup, lead, and perform hydraulic modeling for water and sewer systems
  • Prepare plans/drawings for water and wastewater infrastructure systems using industry-standard design platforms, such as AutoCAD, Civil3D, Revit, etc. Ability to use CAD software is considered a plus
  • Prepare design calculations and quantity estimates
  • Support project managers in developing scope, costs, budgets and schedules for studies, design and construction services related to water & wastewater projects, including pipelines, pump stations & treatment plant works
  • Coordinate development of cost estimates for water and wastewater projects by developing quantity take-offs and working to confirm unit costs align with industry standards
  • Maintain quality control standards and procedures for accurate and precise measurements, statistical analysis, and reporting.
  • Assist with performing concept level design of treatment works, analysis of hydrologic and hydraulic models, and computations for storm water and watershed master planning, stream restoration, and water quality studies.
  • Lead development of and contribute to the preparation of technical reports and presentations that explain research and findings related to wastewater and drinking water utility design
  • Lead and manage analysis, evaluation, and interpretation of environmental data obtained during field investigations, offering input with developing action plans for low to mid-level threat mitigation activities.
  • Lead preparation and implementation of site Health and Safety Plans (HASPs).
  • Exercise responsible and ethical decision-making regarding company funds, resources and conduct, and adhere to WSP’s Code of Conduct and related policies and procedures.
  • Perform additional responsibilities as required by business needs.
Who You Are

Required Qualifications
  • Bachelor’s Degree in Civil or Environmental Engineering, with a focus in Water Resources or closely related discipline.
  • 3 to 5 years of relevant post education experience in water resources engineering.
  • Engineer in Training Certification.
  • Knowledge of water resource engineering principles, practices, process, design/build, and the application to environmental permitting and project work-related issues.
  • Knowledge of Water/Wastewater design, Stormwater Management, Drainage, Erosion and Sediment Control, Hydrology & Hydraulics Design, Watershed Studies, Floodplain Delineation, etc.
  • Ability to coordinate with agency regulators and understand requirements.
  • Knowledge with the concepts of reducing and eliminating the use or generation of hazardous substances, processes, or products., and mitigation programs.
  • Knowledge of the techniques used in identifying, measuring, sampling and studying environmental control.
  • Knowledge of relevant environmental laws, regulations, compliance practices, and record‑keeping requirements.
  • Basic experience with preparing permit applications for oversight agencies to address the full range of environmental issues and conditions associated with water resources projects.
  • Capable interpersonal and communication skills when interacting with others, expressing ideas effectively and professionally to an engineering and non-engineering audience.
  • Effective self‑leadership with attention to detail, results orientation, and managing multiple priorities in a dynamic work environment.
  • Ability to learn new techniques, perform multiple tasks simultaneously, follow…
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