Integrated Design Engineers (idE) is a Seattle-based structural engineering consulting firm founded in 2005. For over two decades, idE has delivered structural design services for civic, transportation, utility, higher education, healthcare, and commercial projects throughout the Pacific Northwest.

Our engineers work in close collaboration with architects, owners, and multidisciplinary design teams to develop structural solutions that balance performance, constructability, and design intent. From early concept through construction, we emphasize coordination, flexibility, and responsiveness to help projects move forward efficiently.

As a certified DBE and MBE firm, idE is proud to support public agencies and private clients in delivering resilient, community-focused infrastructure and building projects.

Integrated Design Engineers

Ignasius Seilie PE SE F. SEI

This department focuses on the design and structural integrity of engineering projects.

Integrated Design Engineers

Org chart

Teams

Design Engineering

Offices

Integrated Design Engineers

Org chart

Teams

Design Engineering

Offices

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