Summary
Overview
Work History
Education
Skills
Certification
Additional Experience
Timeline
Generic

Robert K. Grajeda

San Luis Obispo

Summary

Highly motivated people person who enhances any team I work with. Open, adaptable, patient, observant, helpful, and multi-skilled. I have a wide range of experience and expertise, spanning from a custodial maintenance worker with California State Parks to a Grade II Certified Wastewater Treatment Operator. In summary, I operate with mindfulness in all aspects of my life and aim to uplift everyone I interact with respectfully and professionally.

Overview

19
19
years of professional experience
1
1
Certification

Work History

Wastewater Treatment Plant Operator

City of Guadalupe
02.2026 - Current

Daily rounds, observing all unit processes, motors, pumps, valves, meters, gauges, tanks, and basins for changes in levels, operational run times, pressures, temperatures, electrical power consumption, and flows. Making necessary adjustments, documenting changes. Collecting samples, performing time sensitive lab analysis pertaining to biological, chemical, and physical attributes. calculating formulas, recording results. Operating heavy equipment, using hand and power tools, manual labor, sewer line, collection system work and maintenance, traffic control, reading blue prints, utility line locating and marking, and preventative maintenance. On call emergency response duty.

Wastewater Operator

South San Luis Obispo County Sanitation District
06.2023 - 06.2025
  • Perform daily rounds, reading gauges, meters, and charts; document results and make necessary adjustments to motors, valves, pumps, and unit processes.
  • Assisted in routine maintenance tasks and troubleshooting technical issues.
  • Complete work orders and preventative maintenance.
  • Proficient in using hand tools, power tools, and heavy equipment.

Maintenance Worker

California State Parks, Central Coast District
01.2022 - 01.2023
  • Conducted custodial duties, trail maintenance projects, tree trimming, weed abatement, grounds, and facility maintenance.
  • Assisted visitors with questions and park-related information.

Roads Division Road Worker 3, Utility Division Water Worker 1, Wastewater Worker 2

San Luis Obispo County Public Works: Road Division
01.2007 - 01.2019
  • Operated a hydro-excavator (Vac Truck) in the stormwater maintenance program in accordance with NPDES compliance.
  • Conducted field inspection, maintenance, construction, repair, and documentation of stormwater systems.
  • Operated heavy equipment, hand tools, and power tools.

Education

High School Diploma -

Sacramento State Operation Programs
Sacramento, CA

High School Diploma Equivalency - undefined

San Luis Obispo High School GED

Skills

  • Extensive experience in multiple industrial fields
  • Proficient in the use of effective communication skills with positive outcomes
  • Strong understanding of safety procedures, rules, regulations, and expectations in accordance with any industry and agency I’m representing
  • Effective team player with the ability to establish and maintain work and public relationships within a team-oriented operation

Certification

  • California State Grade II Wastewater Treatment Operator 2024
  • Confined space
  • CPR
  • Forklift
  • Internationally Certified Mental Health Coach (ICMHC)

Additional Experience

  • Deli Clerk Market Grocery Store, Sprouts Market | 2023-01 – 2023-05
  • Pedicab Operator, Ubert Pedicab Experience, San Luis Obispo, CA | 2019 – 2022
  • Concessions Cart Operator Berto’s Concessions, Avila Beach, CA | 2002 – 2011
  • Assembler & Receiver CCS Mail-order| 1999 – 2002
  • Cook Fosters Freeze | 1996 – 1999

Timeline

Wastewater Treatment Plant Operator

City of Guadalupe
02.2026 - Current

Wastewater Operator

South San Luis Obispo County Sanitation District
06.2023 - 06.2025

Maintenance Worker

California State Parks, Central Coast District
01.2022 - 01.2023

Roads Division Road Worker 3, Utility Division Water Worker 1, Wastewater Worker 2

San Luis Obispo County Public Works: Road Division
01.2007 - 01.2019

High School Diploma Equivalency - undefined

San Luis Obispo High School GED

High School Diploma -

Sacramento State Operation Programs