Phillip Kao-Johnson
Martinsburg,WV
Summary
Water Treatment Operator known for hard work and quickly learning new skills. Possesses specialized skills in water quality testing, chemical treatment processes, and system maintenance ensuring safe and clean water supply. Excels in problem-solving, teamwork, and adaptability. Committed to continuous learning for process improvements and sustainability in water treatment operations.
Overview
1
1
Certification
7
7
years of professional experience
Work History
Water Treatment Operator
The City of Hagerstown
Williamsport, MD
10.2025 - Current
- Performed testing and sampling procedures, along with dosage calculations, to stay within Maryland state regulations and SDWA requirements.
- Earned Maryland State T4 Water Treatment exam certification, MDE Water Sampler certification, and in-house testing credentials to demonstrate working knowledge.
- Supported smooth plant operations by testing and completing preventive maintenance on chemical feed pumps, streaming current monitors, analyzers, and related equipment.
- Executed shutdown of plant operations for safety and compliance during emergencies such as power outages as well as for training purposes
- Traveled to pump stations to test residuals and maintain safe drinking water compliance.
- Assisted with safe unloading and storage of chemicals.
- Prepared records for plant operations, material quantities, and laboratory test results.
- Used SCADA system to maintain appropriate levels.
Heavy Equipment Mechanic
Sunbelt Rentals
Winchester, VA
05.2025 - 09.2025
- Diagnosed mechanical issues using diagnostic tools and troubleshooting techniques
- Performed routine maintenance and repairs on heavy equipment, including excavators, bulldozers, and loaders
- Replaced faulty parts and components to ensure optimal performance of heavy equipment
- Conducted regular inspections to identify potential problems and prevent breakdowns
- Collaborated with team members to prioritize repair tasks based on urgency and equipment availability
- Followed safety protocols and guidelines to minimize accidents and injuries in the workplace
- Maintained compliance with environmental regulations during hazardous material disposal, ensuring safe and responsible practices
Automotive Technician
Stohlman Subaru of Sterling
Sterling, VA
08.2023 - 05.2025
- Started as lube tech performing oil changes, bulb replacements, tire repairs, and tire replacements.
- Advanced to line tech role performing complex vehicle repairs, warranty work, brake fluid flushes, brake service, four-wheel alignments, suspension work, and engine reseal/overhaul.
- Handled electrical work including head unit installation, ECM, TCM, and CCU software updates, plus diagnostic work using SDS/Subaru Diagnostic System and Subaru University electrical systems training.
- Conducted thorough inspections to identify potential safety issues and recommend repairs.
- Mentored junior technicians in best practices for repairs and customer service.
Automotive Technician
Valvoline Instant Oil Change
Ashburn, VA
11.2022 - 03.2023
- Performed preventative maintenance on gasoline vehicles, including refilling fluids, changing oil, performing tire rotations, and replacing faulty lights. Interacted with customers to inform them of vehicle issues and recommend necessary services or products.
Server/Hostess
Okada Japanese Restaurant & Sushi Bar
Ashburn, VA
03.2022 - 06.2022
- My responsibilities include coming into the store before it opens and preparing salad, soup, and preparing the fountain drink machines.
- Greeted and seated guests while managing restaurant flow and wait times.
- Provided menu recommendations and answered questions about food and beverages.
- Processed guest orders accurately using a point-of-sale system.
- Maintained cleanliness of dining area and assisted in setting up tables.
- Served food and beverages to patrons and confirmed complete orders.
- Cleaned the store and prepared for the next day of work.
Cashier/Sales Associate
Harris Teeter
Ashburn, VA
08.2019 - 02.2022
- I was a bagger, which meant bagging groceries, as well as collecting carts from the parking lot, cleaning the sales floor, refilling sanitizer bottles, and overall upkeep of the store. I became a cashier as well as a stocker of groceries. I have been assigned leader positions and have trained people on their job requirements, and have provided great customer service.
Education
Short Course Training From Water And Wastewater Association - Water Treatment
Mount St Mary's University
Emmitsburg, MD06-2026
Automotive Training On Electrical Systems And Diagnostics - Automotive
Subaru University
Frederick, MD04-2025
High school diploma -
Briar Woods High School
Ashburn, VA06-2021
Skills
- Water treatment
- Water quality analysis
- Laboratory testing
- SCADA operations
- Process control
- Safety compliance
- Regulatory compliance
- Preventive maintenance
- Equipment maintenance
- Diagnostic troubleshooting
- Hazardous materials handling
- Technical documentation
Personal Information
Work Permit: Authorized to work in the US for any employer
Certification
- Maryland State T4 water operators exam
- Maryland MDE water samplers certification
- MVAC- ac 609 certification for motor vehicle air conditioning systems
- Comptia ITF+ certification for IT fundamentals
Timeline
Water Treatment Operator
The City of Hagerstown
10.2025 - Current
Heavy Equipment Mechanic
Sunbelt Rentals
05.2025 - 09.2025
Automotive Technician
Stohlman Subaru of Sterling
08.2023 - 05.2025
Automotive Technician
Valvoline Instant Oil Change
11.2022 - 03.2023
Server/Hostess
Okada Japanese Restaurant & Sushi Bar
03.2022 - 06.2022
Cashier/Sales Associate
Harris Teeter
08.2019 - 02.2022
Short Course Training From Water And Wastewater Association - Water Treatment
Mount St Mary's University
Automotive Training On Electrical Systems And Diagnostics - Automotive
Subaru University
High school diploma -
Briar Woods High School