Senior Drainage Engineer, Transportation Infrastructure

STV; San Francisco (CA); On-site; USD 114,346 - 130,681; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) Plan

Paid Time Off

Paid Holidays

Job summary

STV is seeking a Drainage Engineer to support transportation infrastructure projects across the West, primarily California. The role targets professionals with 6–12 years of drainage experience and offers flexibility to be based in multiple CA offices or in Portland, OR, or Bellevue, WA.

Eligible candidates will contribute to complex drainage design, stormwater management, and LID/BMP features while collaborating with an experienced engineering team.

Qualifications

• Bachelor’s degree in Civil or Environmental Engineering.
• 6-12 years of drainage design experience on transportation projects.
• PE license in WA, OR, or CA (preferred) or ability to obtain within 6 months.
• Knowledge of hydrology and hydraulic analysis, stormwater management, and LID/BMP strategies.
• Experience with listed software packages (HEC-RAS, Hydrocalc, XPSWMM, etc.).
• Experience with MicroStation and/or AutoCAD Civil 3D; OpenRoads Designer and ArcGIS.
• Strong written and verbal communication for reports and team deliverables.

Responsibilities

• Support drainage engineering design for transportation projects (roadway, rail, bridge, highway).
• Prepare stormwater management and drainage designs, culvert calculations, and hydraulic structure design.
• Perform hydrology and hydraulic analyses to support design decisions and regulatory compliance.
• Assist with stormwater permitting, erosion and sediment control approvals, and regulatory coordination.
• Prepare technical reports, drainage reports, and cost estimates with accuracy and organization.
• Coordinate with roadway, structural, rail, and environmental teams for integrated delivery.
• Participate in design reviews and incorporate feedback from senior staff.
• Contribute to QA/QC by checking calculations, reports, and permit docs.

Skills

Drainage design

Hydrology & hydraulic analysis

Communication skills

Project coordination

Education

Bachelor’s degree in Civil/Environmental Engineering

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, primarily California. The role targets professionals with 6–12 years of drainage experience and offers flexibility to be based in multiple CA offices or in Portland, OR, or Bellevue, WA.

Eligible candidates will contribute to complex drainage design, stormwater management, and LID/BMP features while collaborating with an experienced engineering team.