Transportation Sr Drainage Engineer, Roads and Highways - Seattle, WA.

David Evans and Associates, Inc.; Seattle (WA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Comprehensive health coverage

401(k) plan

Flexible 9/80 schedule

Paid Time Off (PTO) and Holiday Pay

Job summary

David Evans and Associates, Inc. is looking for a Transportation Senior Drainage Engineer to lead projects in Washington state. The role involves engineering calculations and design for transportation solutions, working with multidisciplinary teams on construction drawings and specifications.

The successful candidate will have a Bachelor's in Civil Engineering, a Professional Engineering License, and over 10 years of relevant experience. The position offers competitive benefits, including health coverage and a salary range of $90,000 - $120,000.

Qualifications

• 10+ years of civil engineering design experience related to transportation projects.
• Experience with storm drainage hydraulic modeling and design.
• Project experience with local public agencies.

Responsibilities

• Lead projects and coordinate with project managers and firm staff.
• Develop, track, and modify project schedules.
• Prepare street improvement and grading plans.

Skills

Civil engineering design

AutoCAD

MicroStation

Civil 3D

Project management

Education

Bachelor’s degree in Civil Engineering

Professional Engineering License

Tools

AutoCAD

MicroStation

Civil 3D

InRoads

Job description

Transportation Senior Drainage Engineer

Location: Bellevue, Seattle, Olympia, or Tacoma, WA.

At David Evans and Associates, we blend innovation, sustainability, and community commitment to deliver cutting‑edge transportation solutions. We are seeking a highly motivated self‑starter to work on multidisciplinary projects, performing engineering calculations and design to transform concept designs into construction drawings and technical specifications. The role may include street improvements, utility plans, freeway, highway and roadway design, construction documents, and supporting documentation.

Key Responsibilities

• Lead projects and coordinate with project managers and firm staff.
• Attend project coordination meetings with clients and team members.
• Provide sketches and detailed layout information for construction drawings.
• Develop preliminary and final plans in Autodesk Civil 3D and MicroStation/InRoads.
• Prepare street improvement, public improvement, and grading plans.
• Analyze maps, reports, drawings, and as‑built information for design projects.
• Prepare and modify reports, specifications, and designs.
• Develop, track, and modify project schedules.

Required Qualifications

• Bachelor’s degree in Civil Engineering.
• Professional Engineering License.
• 10+ years of civil engineering design related to transportation projects.
• Experience with AutoCAD and MicroStation.
• Experience with Civil 3D and/or InRoads for alignment, grading, and pipe design.
• Project experience with local public agencies.

Preferred Qualifications

• Professional Engineering License in Washington state.
• Experience with storm drainage hydraulic modeling, design, and report preparation.
• Knowledge of Washington State Department of Ecology Stormwater Manual.
• Knowledge of WSDOT Hydraulics and Highway Runoff Manuals.

Benefits

• Comprehensive health coverage: Medical, Dental, Vision, Disability, and Life Insurance.
• Health Savings Account (HSA) and Lifestyle Spending Account with employer contributions.
• Professional development support for continuing education and training.
• Paid Time Off (PTO) and Holiday Pay.
• Flexible 9/80 schedule.
• 401(k) plan.
• Holistic Wellbeing Program.
• Mentorship and career advancement opportunities.
• Potential salary range: $90,000 - $120,000.