Johnathan Castro
Edmonds,WA
Summary
Service-oriented Wastewater Treatment Plant Operator with more than 10 years of experience in the industry. Excellent troubleshooting, communication and time management skills. Organized and dependable candidate with a positive attitude and the ability to meet
team goals.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Wastewater Treatment Plant Operator IV
City Of Edmonds
Edmonds, WA
01.2023 - Current
- Regularly inspected, operated, and adjusted controls on equipment such as pumps, valves and aerators to ensure treatment process efficiency.
- Conducted daily wastewater quality tests to ensure effluent meets federal and state guidelines. Documented and reported any discrepancies.
- Maintained accurate and up-to-date logs of operations, including daily flow, chemical usage, and equipment status. Provided monthly reports to the plant supervisor.
Wastewater Treatment Plant Operator III
City Of Marysville
Marysville, WA
12.2020 - 01.2023
- Monitor water levels, color, and other visual indicators to ensure optimal lagoon performance.
- Collected and analyzed wastewater samples to monitor parameters like BOD, TSS, and pH, ensuring regulatory compliance.
- Managed the growth of algae and other aquatic plants.
- Managed inflow and outflow gates to maintain appropriate retention times and manage water levels.
Wastewater Treatment Plant Operator III
City Of Edmonds
Edmonds, WA
06.2018 - 12.2020
- Regularly checking equipment, control panels, gauges, and meters to ensure that the plant is operating as intended.
- Modifying the air supply, RAS flow rates, and other parameters to optimize treatment efficiency.
- Monitoring the incinerator operation, ensuring complete combustion, managing ash disposal, and ensuring that the process complies with air quality standards.
Wastewater Treatment Plant Lead Operator II
DZSP 21
Naval Base, GU
03.2012 - 05.2018
- Ensured timely completion of treatment plant projects
- Assigned daily tasks to operators to ensure efficient treatment processes
- Maintained logs on meter readings, tests, chemical and equipment usage as required by Guam EPA
Education
University of Guam
Mangilao, GUSkills
- Safety First Always mentality
- Data recording and interpretation
- Proficiency with industry-specific software ie SCADA, Hach Wims, Wonderware
- Lifelong learner
Certification
- WWTPO Group III
- Incinerator License
- First Aid/CPR
- Forklift licensed
Timeline
Wastewater Treatment Plant Operator IV
City Of Edmonds
01.2023 - Current
Wastewater Treatment Plant Operator III
City Of Marysville
12.2020 - 01.2023
Wastewater Treatment Plant Operator III
City Of Edmonds
06.2018 - 12.2020
Wastewater Treatment Plant Lead Operator II
DZSP 21
03.2012 - 05.2018
University of Guam