At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

At HDR, our employee‑ownership model shapes everything we do, including how we support and care for our people. Our diverse service lines, including Water, Architecture, Building Engineering Services, Field Services, Power, Waste, Industrial, and Transportation reflect our commitment to shaping resilient, sustainable, and forward‑thinking communities around the world. Across these disciplines, our teams design and deliver solutions that safeguard public health, enhance quality of life, power innovation, and drive responsible growth. Whether advancing clean water, creating healing and learning environments, engineering next‑generation facilities, or building the infrastructure that moves people and energy, our work is rooted in technical excellence and a shared sense of purpose. Our employee‑owners collaborate across specialties, combining creativity, precision, and deep expertise to solve the most complex challenges facing our clients and communities.

Watch Our Story:' https://www.hdrinc.com/our-story'

Each and every role throughout our organization makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

In the role of Senior Environmental Scientist, we'll count on you to

• Plan and direct medium- to large-size environmental planning and compliance projects for transportation, water/wastewater, facilities, land management, and other programs as identified
• Prepare, plan and analyze/review technical studies, permit applications, NEPA documents, and similar reports/documents
• Accomplish work independently and through coordinating or supervising small to large technical and professional teams from local and regional offices
• Support regional or national projects in specific areas of technical expertise
• Be closely involved in public participation and multiple agency coordination
• Take responsibility for project management, including developing and managing budgets, schedules, and quality of products
• Serve as Project Manager on larger projects as needed, but project management is not sole focus of position
• Perform other duties as needed

Preferred Qualifications

• Field experience with wetland and wildlife species and habitats in Washington State.
• Applied knowledge of ecological assessment, environmental impact analysis, environmental due diligence studies, natural/biological resources management
• Strong organization skills and ability to work in a fast-paced environment with changing deadlines and priorities.
• Demonstrated technical writing and editing ability
• Commitment to quality in both work processes and products, and willingness to assume new roles are critical.
• Demonstrated commitment to safety and quality, along with an attitude and commitment to being an active participant in an employee-owned culture, are essential.
• Candidates will need to travel for specific project assignments.
• Field data collection expertise involving wildlife species, habitat, and wetlands and streams using GPS units.
• Professional Wetland Scientist (PWS) certification.
• Experience with GPS units, GIS software, and web maps to support data collection, mapping and reporting.
• Valid Washington State driver’s license and ability to travel locally on a regular basis to conduct field work.
• Master's degree