Landscape Design and Construction Quality Control Specialist

Salary: $114,412.27 - $145,024.26 Annually
Location : King Street Center - 201 S Jackson St, Seattle, WA
Job Type: Career Service (Exec)
Job Number: 2026HD28187
Department: DNRP-Natural Resources & Parks
Division: Wastewater Treatment
Opening Date: 10/27/2026
Closing Date: 11/17/2026 11:59 PM Pacific
FLSA: Exempt
Bargaining Unit: W4 : TEA-WTD, DNRP-Staff
Full- or Part-Time: Full Time
Hours/Week: 40 hours/week

Summary
This position is open to the general public and King County Employees.

King County Wastewater Treatment Division (WTD) Environmental and Community and Services Section (ECSS) is seeking a professional with experience in landscape design and construction oversight. In the role of Water Quality Planner/Project Manager III, this position will support capital projects and programs with landscape design and construction, as well as Division-wide planning efforts where landscaping is involved. This is a great opportunity to play a critical role in upholding King County's values of responsible environmental stewardship while supporting projects that deliver essential public infrastructure to communities. This position offers opportunities to apply and advance knowledge of green stormwater infrastructure, landscape architecture, horticulture, botany, landscape construction and maintenance inspection. The position includes a mix of office and field work.
About The Role
This position will use technical knowledge of landscape design and implementation to support a wide range of capital projects and programs during all phases of project delivery. As a Water Quality Planner/Project Manager III, this position will independently support capital projects to ensure that landscape designs meet project goals, satisfy code requirements, and meet the Division's operational and maintenance needs for the location. During construction, this position will provide inspection services to ensure contract conformance during the installation of various landscape features, including planting and seeding, temporary and permanent irrigation systems, fencing, and green stormwater infrastructure. This position will also track and inspect landscape maintenance work. Typical project settings include wastewater treatment plants, pump stations, wet weather treatment stations, and other industrial, municipal or residential areas containing WTD infrastructure.

Job Duties

What You Will Be Doing:

• Independently provide subject matter expertise in review and development of landscape design drawings and specifications for capital projects.
• Inspect landscape construction activities, including site preparation, planting, seeding, irrigation installation, fencing, and maintenance work to ensure conformance with contract drawings and specifications.
• Review contractor submittals related to landscape elements.
• Coordinate landscaping work with capital project teams, contractors, external consultants, and operational staff to support successful outcomes.
• Inspect maintenance of Green Stormwater Infrastructure facilities.
• Help solve landscape design, construction, and maintenance issues.

Experience, Qualifications, Knowledge, Skills

Qualifications You Bring:

• Two years of training in landscape construction and/or design or related technical fields plus two years of work experience in landscape design, construction inspection, or professional landscaping; or any equivalent combination of education and experience.
• Experience reading and interpreting landscape drawings and specifications, and guiding landscape design.
• Extensive knowledge of western Washington ornamental and wild plant identification and culture, and vegetation monitoring.
• Knowledge of green stormwater infrastructure design and maintenance.
• Specialized knowledge of landscape construction methods, techniques and cost factors, and inspections, with emphasis on soil preparations, plant materials, plant installations, fencing and irrigation.
• Knowledge of noxious weed identification, control techniques and state and local regulations governing herbicide use.

Competencies You Bring:

• Manages Conflict: Handling conflict situations effectively, with a minimum of noise.
• Collaborates: Building partnerships and working collaboratively with others to meet shared objectives.
• Communicates Effectively: Developing and delivering multi-mode communications that convey a clear understanding of the unique needs of different audiences.
• Plans and Aligns: Planning and prioritizing work to meet commitments aligned with organizational goals.
• Manages Ambiguity: Operating effectively, even when things are not certain, or the way forward is not clear.

Required Licenses- A valid Washington State Driver's License or an alternate ability to get to meetings and field sites not served by transit at varying times of day.

It Would Be Great if You Also Bring:

• Green Stormwater Infrastructure Certification
• Landscape Architect's License
• Certified Arborist

Supplemental Information

Work Location: The unit works in a hybrid model, with days in the office as well as telecommuting. The ratio of remote to onsite work will be dependent on business needs and is subject to change. The primary onsite location is the Collaboration space at King Street Center, 201 S. Jackson, Seattle, Washington 98104. Employees must reside in Washington state and within a reasonable distance to their King County worksite to respond to workplace reporting requirements. King County has a robust collection of tools and resources to support working remotely. The individual selected for this opportunity will join an innovative and progressive team that is redefining how we work as we transition to the department's hybrid environment. Employees will be provided with a County-issued laptop and must maintain a home workspace with an internet connection where they can reliably perform work and remain available and responsive during scheduled work hours.
Work Schedule: This full-time position works a 40-hour work week. This position is exempt from the overtime provision of the Fair Labor Standard Act (FLSA) and is not overtime eligible.
Union Representation: This position is represented by Technical Employees' Association (TEA) - Wastewater Treatment Division,

Physical Requirements:

• While performing the duties of this job, the employee is regularly required to stand, walk, and use hands to touch, handle or feel objects, tools or controls. The employee frequently is required to talk and hear. The employee is occasionally required to reach with hands and arms, and to stoop, kneel or crouch. Must occasionally lift and/or move up to 15 pounds. Specific vision abilities required by this job include close vision, peripheral vision, depth perception and the ability to adjust focus. You will navigate uneven terrain and be in an outside environment up to 35 hours per week.

Application Instructions:
We welcome applications from all qualified applicants. We value diversity, diverse perspectives and life experience and encourage people of all backgrounds to apply.

Application materials will be screened for clarity, completeness and alignment with the experience, qualifications, knowledge, and skills essential for this role to determine which candidates may be invited to participate in one or more panel interviews.

Anticipated Timeline for this recruitment: (subject to change)

• Technical Screening - (tentative) 11/30 - 12/03
• Interviews - 12/07-12/10

To apply, submit a:

• Complete Application
• Cover Letter

Note: Additional documents won't be considered during minimum qualification screening.

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Are you ready to make a difference dedicated to serving one of the nation's best places to live, work and play.

Application Process

If you are interested in pursuing this position and supporting King County's vision for unified, equitable, and high-performing government, please follow the application instructions carefully. Provide us with your work history as applicable, ensuring that you provide details that highlight your ability to fulfill the requirements for this position.

If you need this announcement in an alternate language or format, or you would like to request accommodation or assistance in the application or assessment process, please contact Helen David at Hdavid@kingcounty.gov.