Senior Drainage Engineer — Transportation Infrastructure

STV; Bellevue (WA); On-site; USD 114,345 - 130,680; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) Plan

Paid Time Off

Paid Holidays

Parental Leave

Continuing Education

Professional Licensure

Job summary

STV is seeking a Drainage Engineer to support transportation infrastructure projects across the West, mainly California. This role is ideal for a drainage professional with 6-12 years of experience who is ready to expand technical design capabilities, contribute to complex infrastructure projects, and grow within a collaborative engineering team.

The position offers flexibility to be based in one of our California offices, including Los Angeles, Irvine, San Francisco, or Rancho Cucamonga, or

Qualifications

• Bachelor’s degree in Civil Engineering, Environmental Engineering, or a related field.
• 6-12 years of experience in drainage design, preferably supporting transportation infrastructure projects.
• PE license in WA, OR, or CA preferred or ability to obtain within 6 months.
• Knowledge of hydrology, hydraulics, stormwater design, BMPs and LID strategies.
• Experience with MicroStation, AutoCAD Civil 3D; OpenRoads Designer and ArcGIS.

Responsibilities

• Support drainage engineering design for transportation projects (roadway, rail, bridge, highway).
• Prepare stormwater and drainage designs, culvert calculations, hydraulic structures, BMPs and LID plans.
• Perform hydrology and hydraulic analyses to support design decisions and regulatory compliance.
• Assist with stormwater permitting and environmental coordination.
• Prepare technical reports, drainage reports, and cost estimates with high quality.
• Coordinate with roadway, structural, rail, and environmental teams on integrated delivery.

Skills

Drainage design

Hydrology & hydraulics

Communication

Regulatory coordination

Education

Bachelor’s degree in Civil Engineering, Environmental Engineering, or a related field

Tools

HEC-RAS

Hydrocalc

XPSWMM

StormCAD

WSPG

WNT-55

LAR04

ORD Storm Module

MicroStation

AutoCAD Civil 3D

OpenRoads Designer

ArcGIS

Job description

STV is seeking a Drainage Engineer to support transportation infrastructure projects across the West, mainly California. This role is ideal for a drainage professional with 6-12 years of experience who is ready to expand technical design capabilities, contribute to complex infrastructure projects, and grow within a collaborative engineering team.

The position offers flexibility to be based in one of our California offices, including Los Angeles, Irvine, San Francisco, or Rancho Cucamonga, or