Jobs · Information Technology · Washington

Drainage Engineer

gpac · Seattle, WA · 2 wk ago
Information TechnologyFull-time

About the role

This is an opportunity to work on technically challenging drainage projects while collaborating with experienced engineers, designers, surveyors, and project managers. Tackle everything from localized drainage improvements to complex stormwater systems, hydraulic structures, and watershed challenges. Work across municipal, transportation, land development, and infrastructure projects rather than being limited to one project type. Learn from engineers with deep technical experience while having the opportunity to take ownership of your own work. Develop your technical expertise while building the project management and client-facing skills needed for the next stage of your career.

Responsibilities

  • Design stormwater collection systems, storm sewers, culverts, channels, detention/retention facilities, outfalls, and related infrastructure.
  • Perform hydraulic calculations and evaluate existing and proposed drainage systems.
  • Develop solutions for runoff, drainage conveyance, water quality, detention, and stormwater management.
  • Prepare and review drainage plans, profiles, details, calculations, specifications, and technical reports.
  • Utilize hydrologic and hydraulic modeling software to evaluate drainage conditions and develop design solutions.
  • Collaborate with civil engineers, surveyors, designers, environmental professionals, contractors, clients, and regulatory agencies.
  • Assist with or manage schedules, budgets, deliverables, client communication, and project coordination.

Requirements

  • B.S. in Civil Engineering or a related engineering discipline.
  • EIT or PE preferred, depending on experience and position level.
  • 2‑10+ years of experience in drainage, stormwater, civil infrastructure, transportation, land development, or related engineering.
  • Experience with Civil 3D, AutoCAD, HEC‑RAS, HydroCAD, HEC‑HMS, SWMM, or similar software.
  • Strong understanding of hydrology, hydraulics, stormwater systems, drainage design, and applicable design standards.
  • Able to clearly communicate technical information to project teams, clients, and other stakeholders.
  • Detail‑oriented, analytical, collaborative, and interested in taking ownership of increasingly complex projects.

Skills

  • Proficiency with Civil 3D, AutoCAD, HEC‑RAS, HydroCAD, HEC‑HMS, SWMM, and other hydrologic/hydraulic modeling tools.
  • Technical expertise in stormwater collection, conveyance, detention/retention, and water quality design.
  • Project coordination and client‑facing communication abilities.

Benefits

  • Mentorship from experienced engineers
  • Collaborative multidisciplinary teams
  • Competitive compensation
  • Increasing project responsibility
  • Flexible/hybrid options depending on role
  • Performance incentives
  • Project management opportunities
  • Flexible scheduling
  • 401(k) with company match
  • Support for professional licensure
  • Results‑oriented culture
  • Medical, dental, and vision coverage
  • Technical specialization opportunities
  • Strong emphasis on teamwork
  • PTO and paid holidays

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