Seasonal Watering and Tree Care Worker

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• $24.

00 Hourly Location Mercer Island, WA Job Type Seasonal Job Number 00262 Department Public Works Division Parks & Natural Resources Opening Date 03/23/2026 Closing Date 6/8/2026 11:59 PM Pacific FLSA Non-Exempt Description The Public Works Tree Care Worker will be responsible for watering park and street trees in the City of Mercer Island as well as beautifying public outdoor spaces by pruning, planting, weeding, and other horticultural duties. Experience with landscaping, horticulture, irrigation, or ecology is a plus, but training opportunities in these fields will be provided. The position often works solo without direct supervision and requires a self-motivated mindset and strong task orientation. This position reports to the Parks Operations Manager and Urban Forestry Project Manager. The pay range for this position is $19

• 24 per hour, depending on experience. This is a seasonal position scheduled to work full-time hours from June 8th to September 25th. Essential Job Functions Work independently and with full-time Public Works Team Members to water trees and other plantings in City parks, including:
• Ability to work occasional weekends (likely just one Saturday)
• Drive and operate a large truck with a watering tank
• Horticultural maintenance
• shrub and flower bed trimming and weeding
• Turf maintenance
• mowing, trimming, and edging grass areas
• Irrigation repair
• Sports field maintenance
• field upkeep and preparations
• Facility maintenance
• garbage and litter removal, restroom cleaning, small repairs, and pressure washing
• Facility repair
• carpentry and other skills necessary to make repairs to park facilities
• Perform other duties as assigned Qualification Requirements High school education or equivalent.

One or more year of experience in landscape field desired. Ability to work weekends desirable Possess good verbal communication skills (active listening and feedback) as well as effective interpersonal and customer relation skills are essential in a team environment. Basic writing skills are required, along with the ability to perform basic arithmetic calculations. Must provide and wear steel-toed safety boots. Must have regular and predictable work attendance to fulfill the essential functions of the job. Work well with others, stay on task, and follow written or verbal direction from Team members, Crew Leads, and Foreman.

Must be able to:

Work outdoors during all types of weather conditions. Practice safety by wearing appropriate protective clothing, using safety equipment, and follow good housekeeping and safety procedures Learn general principles of landscape & facility maintenance Experience with horticulture is a plus Identify work hazards and practice general safety procedures Communicate information effectively verbally and in writing Understand and follow oral and written instructions Work independently without direct supervision in the field Safely and efficiently operate a variety of park maintenance equipment including light-duty trucks, various hand tools and small power equipment Work well with others as a team member Lift up to 50 pounds and perform a variety of physical tasks and heavy labor Provide excellent customer service to park users Working Conditions & Physical Abilities Licensure/Certification Valid WA State Driver's License with a driving record free from frequent or serious violations. A three (3) year driving record abstract must be submitted prior to hire Current First Aid and CPR certifications desired.

TOOLS AND EQUIPMENT

Various types of tools and equipment are used including, but not limited to watering trailer, power wheelbarrow, push mower, riding mower, chainsaw, line trimmer, power hedger, various hand tools, leaf blower, backpack sprayer, and traffic control devices.

WORKING CONDITIONS AND PHYSICAL ABILITIES

Seasonal employees' risk physical hazards from working in forests and other remote locations, around traffic, heavy machinery, and heights. Exposure to noise, and vibration is routine. Work requires physical strength and agility necessary to perform heavy manual labor under all kinds of weather conditions. Work activities include combinations of sitting, standing, and walking and the ability to lift and carry 50 pounds as required. Seasonal employees must be able to see, hear and smell in order to detect problems and be responsive to their own safety, as well as that of fellow employees. Seasonal employees must follow appropriate safety procedures and use of protective clothing and equipment including, steel-toed shoes and boots (must provide own steel

• toed boots/shoes), hard hats, eye/ear protection, rain gear, gloves, traffic control equipment.

Maintenance teams operate in a smoke and drug-free work environment for their health, safety, and productivity, as well as that of their customers. Employer City of Mercer Island Address 9611 SE 36TH ST Mercer Island, Washington, 98040 Phone 206-275-7767 Website http://www.mercerisland.gov Apply Please verify your email address Verify Email Job Opportunities Account Privacy Policy Terms Of Use Your Privacy Choices Accessibility Statement Copyright © 2026 Do not sell my personal information × For California residents, and to the extent NEOGOV sells your personal information as the term "sell" is defined under the California Consumer Privacy Act, you have the right to opt-out of the sale of your personal information by us to third parties at any time. This setting only applies to registered account holders that have opted-in for an Access Membership. If you wish to opt-out click follow these steps: Log into your Job Seeker Profile Click your name in the upper right-hand corner Select Account Settings Select the Preferences section Click the Edit button next to Access Membership Switch Toggle to off Click Save If you do not have a registered account this setting does not apply, however, you can review your right on our privacy policy . If you require further assistance, please email privacy@neogov.com × Accessibility Statement At Governmentjobs.com, Inc. d/b/a NEOGOV, we recognize the importance of making our products and services accessible to all individuals, including those with disabilities, and are continually working to improve the experience for all users. Commitment to Accessibility We are committed to following best practices, including the Web Content Accessibility Guidelines (WCAG) 2.1, Level AA, to the extent feasible, however, we do not warrant compliance with these standards or any other accessibility standards. We are continually enhancing our platforms to ensure greater accessibility, and we actively seek out opportunities to improve accessibility features. Ongoing Enhancements Accessibility is an ongoing effort, and we are regularly updating our technology, services, and content to address accessibility barriers. Our team is dedicated to identifying areas for improvement and making enhancements that allow all users, regardless of their abilities, to fully engage with our services. Feedback and Assistance We value feedback from our users. If you encounter any accessibility barriers while using our services or have suggestions on how we can improve, please reach out to us at accessibility@neogov.com. We will make every effort to resolve any concerns and consider alternative options where possible. Thank you for choosing NEOGOV. We remain dedicated to improving accessibility and creating an inclusive experience for all. Job Opportunities Job Opportunities Menu Close Menu Job Opportunities Job Opportunities Internal Only Jobs Volunteer Opportunities Class Specifications Help & Support SOCIAL Facebook Twitter