About The Position

King County Wastewater Treatment Division’s Environmental and Community Services Section is hiring a Landscape Design and Construction Quality Control Specialist to support capital projects, programs, and Division-wide planning involving landscaping. The role applies technical knowledge of landscape design and implementation throughout project delivery, ensuring designs meet project goals, code requirements, and operational and maintenance needs. It includes reviewing design drawings and specifications, inspecting landscape construction and maintenance work for contract conformance, and helping resolve landscape-related issues. Typical project settings include wastewater treatment plants, pump stations, wet weather treatment stations, and other industrial, municipal, or residential sites with WTD infrastructure. The position works most closely with mitigation and monitoring and water quality team members. It combines office and field work and is based in a hybrid work environment. The primary onsite location is King Street Center in Seattle, Washington. Employees must reside in Washington state within a reasonable distance of their King County worksite, maintain a suitable home workspace and internet connection, and be available during scheduled work hours. The role is full-time, with a 40-hour work week, and is exempt from overtime. King County’s Wastewater Treatment Division collects and treats wastewater while recovering resources to protect public health and the environment. Its Environmental and Community Services Section supports capital projects through permitting, environmental review, mitigation and restoration, real estate acquisition and management, community engagement, and property asset management. The County emphasizes environmental stewardship, service quality, financial accountability, equity, racial and social justice, collaboration, and continuous improvement.

Requirements

  • 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 an 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, cost factors, and inspections, especially soil preparation, plant materials, plant installation, fencing, and irrigation.
  • Knowledge of noxious weed identification, control techniques, and state and local regulations governing herbicide use.
  • A valid Washington State Driver’s License, or an alternate ability to travel to meetings and field sites not served by transit at varying times of day.
  • Ability to meet the role’s physical demands, including standing, walking, handling objects, tools or controls, occasional lifting or moving of up to 15 pounds, and navigating uneven terrain.

Nice To Haves

  • Green Stormwater Infrastructure Certification.
  • Landscape Architect’s License.
  • Certified Arborist.

Responsibilities

  • Provide subject matter expertise in reviewing and developing landscape design drawings and specifications for capital projects.
  • Inspect landscape construction activities, including site preparation, planting, seeding, irrigation installation, and fencing, to ensure conformance with contract drawings and specifications.
  • Inspect landscape maintenance work and Green Stormwater Infrastructure facility maintenance.
  • Review contractor submittals related to landscape elements.
  • Coordinate landscaping work with capital project teams, contractors, external consultants, and operational staff.
  • Help resolve landscape design, construction, and maintenance issues.

Benefits

  • Training.
  • Comprehensive benefits.
  • Growth opportunities.
  • County-issued laptop.
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