Irvine Ranch Conservancy

Field Operating Assistant

Working with the Conservancy team and other partners, the Field Operations Assistant implements daily on-the-ground operations and facilities maintenance projects and may assist with community access programs on IRC-managed lands. These activities will include but are not limited to trail maintenance, fire/fuels management, mowing, hand-held weed abatement, brush trimming, exotic species control (including herbicide application), facilities maintenance, posting/maintenance of signage, planting/care of trail-side native plants, and on occasion guiding volunteer work days. Other duties may include assistance with species monitoring and research and serving as lead for small preserve management work teams. The Field Operations Assistant will provide ongoing support and coordination with Rangers, Open Space Patrols or Police Departments engaged in patrolling, monitoring and code enforcement of the wildlands, but does not engage in direct enforcement actions. The Field Operations Assistant must be capable of effectively managing a wildland/urban interface, including maintaining good relationships with neighbors and public users and enlisting their support for appropriate stewardship of the wildlands, field operations activities, and general reserve management.

Contact Person

Mary Gregrow

Contact Phone


Contact Email

Job Start Date


Application Deadline


Additional Comments


  • High school diploma and three to five years related experience.
  • Successful job related experience in:
    – Field operations in areas with sensitive natural resources and high demands for public access and recreation.
    – Methods and equipment utilized in trail and landscape maintenance, erosion control, fencing and gate maintenance, weed abatement, sign maintenance, and facilities maintenance (kiosks, benches, etc…).
    – Leading and supervising public volunteer work groups.
  • Completion of “Program Leadership Training” as provided by IRC during first year of employment (unless previously completed).
  • Familiarity with the biological systems, flora and fauna of the region, including the planting/care of trail-side native plants.
  • Experience managing multiple projects and timelines.
  • Experience in safe use and maintenance of field tools and maintenance equipment, especially trail maintenance equipment (mowers, trimmers, leaf-blowers, etc….)
  • Ability to obtain/maintain necessary licenses or certifications such as first aid, CPR, herbicide application, specialized driver’s license.
  • Computer, Microsoft Office and Google platform familiarity desired, including the ability to create and update text/spreadsheet documents.

Please submit your resume to or fax to 714-731-7104. Visit our website to learn more about our company.