Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Andiey Lerma

Pomona

Summary

Dynamic Tree Maintenance Worker with extensive experience in public works. Experienced in tree climbing and pruning, ensuring safety compliance and risk assessment. Proven ability to train employees and deliver exceptional customer service while maintaining high operational standards. Proficient in GIS data entry for efficient project management.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Tree Maintenance Worker

City Of Rancho Cucamonga Public Works
Rancho Cucamonga
04.2023 - 04.2025
  • Lead arborist responsible for daily tree climbing, pruning, planting, felling, and removals in residential and commercial environments.
  • Train and mentor new employees and ground crew on climbing techniques, equipment usage, and safety protocols.
  • Conduct pre-job safety briefings and ensure full compliance with OSHA and ANSI Z133 standards.
  • Operate and maintain chainsaws, chippers, stump grinders, dump trucks, and aerial lifts.
  • Provide on-site evaluations for residents and assist in estimating work.
  • Supported climbing operations from the ground, ensuring safe rigging, communication, and tool management.
  • Maintained all safety equipment and ensured proper PPE usage on job sites.
  • Input all planned and completed work into GIS programs.

Equipment Operator

City of Whittier
Whittier
04.2021 - 04.2023
  • Assisted in loading and unloading materials for various city projects and tree operations.
  • Conducted routine inspections to ensure equipment safety and functionality.
  • Maintained equipment cleanliness and reported repair needs promptly.
  • Used equipment to complete jobs quickly and correctly in city parks and city street trees
  • Followed signals from ground crew and other operators to safely move materials and prevent dangerous interactions or missed cues.
  • Plant, prune, and remove city trees in parks and city parkways.
  • Mix and apply herbicides throughout city streets, parkways and parks

Education

High School Diploma -

Bonita High School
La Verne, CA
06-2014

Skills

  • Tree pruning
  • Tree climbing operations
  • Aerial lift operation
  • GIS data entry
  • Safety compliance
  • Risk assessment
  • Employee training
  • Customer service

Certification

ISA Certified Arborist (WE-15438AT)

ISA Certified Tree Climber(WE-15438AT)

ISA Tree Risk Assessment Qualification

Class A Drivers License with Tankers endorsement

Timeline

Tree Maintenance Worker

City Of Rancho Cucamonga Public Works
04.2023 - 04.2025

Equipment Operator

City of Whittier
04.2021 - 04.2023

High School Diploma -

Bonita High School

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