King County, WA
Seasonal Helpers - South Plant
Location: King County, WA (South Treatment Plant - 1200 Monster Rd SW, Renton, WA 98057)
Summary This position is open to all qualified candidates. This recruitment aims to fill (2) Short‑Term Temporary (STT) positions with an anticipated duration of up to 6 months (ending 10/31/25, or up to 960 hours, whichever comes first).
About The Role Seasonal Helpers assist the Building & Grounds team in maintaining and beautifying the trails, grounds, and structures at South Treatment plant. Responsibilities include basic gardening work, pressure washing, litter and garbage removal, and other essential tasks.
Job Duties
Duties include operating mowers, pressure washers, line trimmers, leaf blowers, and other assorted hand or power tools.
Assist personnel in maintenance and cleaning and maintaining of facilities including grounds, garden beds, clean floors, windows, various surfaces and hose various tanks, sidewalks, and surrounding areas.
Assist maintenance and operations personnel by performing general laborer duties including clean‑up, moving furniture and equipment, picking up litter, and operating county vehicles and other assigned tasks.
Assist the custodian in cleaning the plant common areas, emptying garbage, and working on deep clean projects around the plant.
Qualifications
Experience in the safe operation of hand and power tools.
Experience in the safe operation of hedge trimmers.
Experience in the safe operation of industrial pressure washers.
Experience in the safe operation of power lawnmowers.
Competencies
Action Oriented: Identifies and seizes new opportunities; displays a can‑do attitude in good and bad times; steps up to handle tough issues.
Collaborates: Works cooperatively with others across the organization to achieve shared objectives; partners with others to get work done; credits others for their contributions and accomplishments; gains trust and support of others.
Interpersonal Savvy: Relating openly and comfortably with diverse groups of people.
Values Differences: Recognizing the value that different perspectives and cultures bring to an organization.
Decision Quality: Making good and timely decisions that keep the organization moving forward.
Required Licenses
Valid, unencumbered Washington State Driver’s License.
Working Conditions
Work Location: South Treatment Plant - 1200 Monster Rd SW, Renton, WA 98057.
Work Schedule: This full‑time position works a 40‑hour work week and is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible. The position requires the ability to work all shift schedules and to report to work during adverse and inclement weather conditions.
Union Representation: This position is represented by S.E.I.U. 925 (Wastewater Treatment Division).
Duration: Short‑Term Temporary (STT) position with anticipated duration up to 6 months (ending 10/31/25, or up to 960 hours, whichever comes first).
Physical Requirement: Incumbents perform fieldwork at a wastewater treatment plant and associated facilities and are required to lift and carry equipment weighing up to 50 pounds, use ladders, and be exposed to hazardous chemicals and noxious odors. A pre‑employment physical, review of driving record, and reference checks will be conducted before any final job offer.
Application and Selection Process First consideration will be given to qualified S.E.I.U. 925 WTD applicants. We welcome applications from all qualified applicants. Applications 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 a technical assessment and one or more panel interviews.
Anticipated Timeline Interview: Virtual interview tentative week of 1/26/2026
How to Apply
Complete Application
Optional Resume (will be reviewed if submitted)
Optional Cover Letter (will be reviewed if submitted)
Completed Supplemental Questions
Note: Additional documents will not be considered during minimum qualification screening.
Contact Dan Sherman HR Analyst dasherman@kingcounty.gov
Benefits
Excellent medical, dental, and vision coverage options.
Life and disability insurance.
Retirement: pension plan and 457(b) plan.
Transportation program and ORCA transit pass.
12 paid holidays each year plus two personal holidays.
Generous vacation and paid sick leave.
Paid parental, family, medical, and volunteer leaves.
Flexible Spending Account.
Wellness programs.
Onsite activity centers.
Employee Giving Program.
Employee assistance programs.
Flexible schedules and telecommuting options, depending on position.
Training and career development programs.
EEO Statement King County is an Equal Employment Opportunity (EEO) Employer. No person is unlawfully excluded from employment opportunities based on race, color, religion, national origin, sex (including gender identity, sexual orientation and pregnancy), age, genetic information, disability, veteran status, or other protected class. Our EEO policy applies to all employment actions.
Additional Information
Benefits for Term Limited Temporary (TLT) or Short Term Temporary (STT) positions may vary.
Short Term Temporary positions are not eligible for an ORCA transit pass.
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Summary This position is open to all qualified candidates. This recruitment aims to fill (2) Short‑Term Temporary (STT) positions with an anticipated duration of up to 6 months (ending 10/31/25, or up to 960 hours, whichever comes first).
About The Role Seasonal Helpers assist the Building & Grounds team in maintaining and beautifying the trails, grounds, and structures at South Treatment plant. Responsibilities include basic gardening work, pressure washing, litter and garbage removal, and other essential tasks.
Job Duties
Duties include operating mowers, pressure washers, line trimmers, leaf blowers, and other assorted hand or power tools.
Assist personnel in maintenance and cleaning and maintaining of facilities including grounds, garden beds, clean floors, windows, various surfaces and hose various tanks, sidewalks, and surrounding areas.
Assist maintenance and operations personnel by performing general laborer duties including clean‑up, moving furniture and equipment, picking up litter, and operating county vehicles and other assigned tasks.
Assist the custodian in cleaning the plant common areas, emptying garbage, and working on deep clean projects around the plant.
Qualifications
Experience in the safe operation of hand and power tools.
Experience in the safe operation of hedge trimmers.
Experience in the safe operation of industrial pressure washers.
Experience in the safe operation of power lawnmowers.
Competencies
Action Oriented: Identifies and seizes new opportunities; displays a can‑do attitude in good and bad times; steps up to handle tough issues.
Collaborates: Works cooperatively with others across the organization to achieve shared objectives; partners with others to get work done; credits others for their contributions and accomplishments; gains trust and support of others.
Interpersonal Savvy: Relating openly and comfortably with diverse groups of people.
Values Differences: Recognizing the value that different perspectives and cultures bring to an organization.
Decision Quality: Making good and timely decisions that keep the organization moving forward.
Required Licenses
Valid, unencumbered Washington State Driver’s License.
Working Conditions
Work Location: South Treatment Plant - 1200 Monster Rd SW, Renton, WA 98057.
Work Schedule: This full‑time position works a 40‑hour work week and is covered under the provisions of the Fair Labor Standards Act (FLSA) and is overtime eligible. The position requires the ability to work all shift schedules and to report to work during adverse and inclement weather conditions.
Union Representation: This position is represented by S.E.I.U. 925 (Wastewater Treatment Division).
Duration: Short‑Term Temporary (STT) position with anticipated duration up to 6 months (ending 10/31/25, or up to 960 hours, whichever comes first).
Physical Requirement: Incumbents perform fieldwork at a wastewater treatment plant and associated facilities and are required to lift and carry equipment weighing up to 50 pounds, use ladders, and be exposed to hazardous chemicals and noxious odors. A pre‑employment physical, review of driving record, and reference checks will be conducted before any final job offer.
Application and Selection Process First consideration will be given to qualified S.E.I.U. 925 WTD applicants. We welcome applications from all qualified applicants. Applications 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 a technical assessment and one or more panel interviews.
Anticipated Timeline Interview: Virtual interview tentative week of 1/26/2026
How to Apply
Complete Application
Optional Resume (will be reviewed if submitted)
Optional Cover Letter (will be reviewed if submitted)
Completed Supplemental Questions
Note: Additional documents will not be considered during minimum qualification screening.
Contact Dan Sherman HR Analyst dasherman@kingcounty.gov
Benefits
Excellent medical, dental, and vision coverage options.
Life and disability insurance.
Retirement: pension plan and 457(b) plan.
Transportation program and ORCA transit pass.
12 paid holidays each year plus two personal holidays.
Generous vacation and paid sick leave.
Paid parental, family, medical, and volunteer leaves.
Flexible Spending Account.
Wellness programs.
Onsite activity centers.
Employee Giving Program.
Employee assistance programs.
Flexible schedules and telecommuting options, depending on position.
Training and career development programs.
EEO Statement King County is an Equal Employment Opportunity (EEO) Employer. No person is unlawfully excluded from employment opportunities based on race, color, religion, national origin, sex (including gender identity, sexual orientation and pregnancy), age, genetic information, disability, veteran status, or other protected class. Our EEO policy applies to all employment actions.
Additional Information
Benefits for Term Limited Temporary (TLT) or Short Term Temporary (STT) positions may vary.
Short Term Temporary positions are not eligible for an ORCA transit pass.
#J-18808-Ljbffr