Green Infrastructure Jobs in Seattle, WA (NOW HIRING)

Arcadis is seeking an experienced and forward‑thinking Senior Stormwater Program Manager / Senior Engineer to lead complex stormwater management and green infrastructure (GI/GSI) projects across the Seattle region and western Washington.

This role will oversee planning, design, permitting, and delivery of innovative urban water resilience programs, while collaborating with multidisciplinary teams, municipal partners, and community stakeholders.

The ideal candidate brings deep technical expertise, proven program leadership experience, and an understanding of regional practices, particularly those aligned with Seattle Public Utilities (SPU) and similar organizations.

As a Senior Stormwater Program Manager / Senior Engineer, you will lead the planning, design, and permitting of stormwater management and green infrastructure projects from feasibility through construction while managing multidisciplinary teams to ensure delivery within scope, schedule, and budget. You will direct collaborative and alternative delivery programs for municipal stormwater and GI initiatives, aligning project outcomes with broader urban resilience and sustainability goals. As a technical expert in stormwater systems, natural channel design, low‑impact development (LID), and green stormwater solutions, you will guide project approaches and provide oversight on stakeholder coordination with partners such as SPU, community groups, regulatory agencies, and design consultants.

Additionally, you will mentor engineering and project management staff, offering strategic direction and quality review, and support business development through proposal preparation, client relationship management, and program growth.

• Masters Degree in Civil, Environmental, Landscape Architecture or Water Resources Engineering or related field.
• 10 years of experience in the planning, design, and permitting of stormwater management and green infrastructure (GI/GSI) projects.

• Demonstrated success leading collaborative delivery and alternative delivery programs for municipal stormwater and urban resilience projects (strongly preferred).
• Experience working in Seattle with Seattle Public Utilities (SPU), King County, and similar clients, on GI, natural channel design, or similar programs.
• Professional Engineer (PE) license in Washington State.
• Strong understanding of local, state, and federal stormwater regulations and permitting pathways.
• Excellent leadership, communication, and client‑facing skills.
• Background in sustainable water infrastructure, climate resilience, and nature‑based solutions.
• Experience managing large, multiyear capital programs.
• Familiarity with Washington State Department of Ecology and local stormwater manuals.
• Ability to represent the organization in technical conferences, workshops, and community meetings.

Arcadis offers benefits for full‑time and part‑time positions, including medical, dental, and vision coverage, Employee Assistance Program (EAP), 401(k), short‑term and long‑term disability, AD&D, life insurance, paid parental leave, a reward & recognition program, and optional well‑being benefits, adoption assistance, and tuition reimbursement. Employees receive nine paid holidays and 20 days of PTO that accrue per year.

Salary range: $109,186 - $185,616.

We are an equal opportunity employer and are dedicated to a policy of non‑discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, veteran status, or any other basis prohibited by law.