Irrigation Specialist

Overview

The Presidio Trust is seeking an Irrigation Specialist who will support the Park Maintenance Department. The Presidio Trust is an innovative federal agency that stewards and shares the history, beauty, and wonder of the Presidio for everyone to enjoy forever. The ancestral homeland of the Ramaytush Ohlone, the Presidio was once a military post under three flags. Today, it is a surprising national park site spanning 1,500 acres at the Golden Gate.

Its rare natural habits, inspiring views, and world-class trails are a local and global attraction. It is among the most biologically diverse parks in America and a popular destination with beaches, museums, restaurants, hotels, homes, and offices.

Reporting to the Park Maintenance Program Manager, the Irrigation Specialist is responsible for specialized work related to the installation, maintenance, and minor design of irrigation systems of the Presidio which distributes over 40 million gallons of irrigation water annually throughout the park in order to keep the Presidio’s lawns, shrubs, and trees green, healthy, and beautiful for park visitors and tenants.

This is a full-time position with benefits and a starting at $39.73 per hour, based in the San Francisco Bay Area. This position is included in a bargaining unit, specifically the Laborer’s International Union of North America, Local 792, United Public Employees of California. Applications received by March 6, 2026, will receive first consideration.

• Install, troubleshoot, test, and repair irrigation controllers, valves, central system equipment, and other irrigation equipment and components as necessary.
• Inspect and monitor landscape areas for irrigation problems, water management and conservation. Perform annual tests on all irrigation systems prior to the dry season and work with landscape personnel to become familiar with use of systems as needed.
• Program and operate controllers manually and utilize central control computer and hand-held communication devices. Utilize central system computer to manage system performance, identify and repair problems, check alerts, and generate irrigation reports.
• Assist landscape stewardship staff and other Presidio Trust staff in diagnosing and troubleshooting irrigation related problems.
• Review, revise, and occasionally design irrigation systems that meet Department standards.
• Draw irrigation as-built diagrams.
• Coordinate with project managers on inspection of new irrigation installations and prepares irrigation punch lists.
• Operate trenchers, tractors and other equipment and tools used for the installation and repair of irrigation systems. Excavate soil using hand tools including pick and shovel.
• Demo, form, pour and finish concrete projects for irrigation-related work including controller pads, antenna bases, and pump pads with electrical conduits.
• Respond as appropriate to requests, questions, comments, and concerns from public, residents, tenants and Presidio staff using the principles of good communication and customer service; reports problems or issues to supervisor.
• Accurately input daily progress and accomplishments into the current Computerized Maintenance Management System (Yardi).
• Other duties as assigned.

• The methods, practices, tools, materials, and equipment used in installing, operating, and maintaining irrigation systems.
• Water requirements for various soil types, turf grass, trees and plants and basic irrigation design principles.
• Irrigation principles including hydraulics, ET (evapotranspiration) programming, low voltage wiring, friction losses, distribution uniformity, head-to-head coverage, valve operation, irrigation electrical systems, and standardized irrigation part names.
• Technical principles of operating sprinkler rotors, spray, and drip systems, including precipitation rates, gallonage, programming times, uniformity.
• Advanced irrigation programming for computer-based controllers and proficiency in the software needed to operate irrigation controllers, data, and tracking systems.
• Principles and practices of work safety including safely operating powered equipment and hand tools and adhering to all safety…