McDonald Lozada

About McDonald Lozada

Engineering Technician with a demonstrated history of successfully prototyping and testing new products. Experienced in the development and support of refrigeration systems and heat exchangers. Key strengths include problem solving, efficiency, enthusiasm, and team leadership.

Experience

1. Water & Wastewater Treatment Operator

   Veolia | North America

   Oct 2025 — Present · Crockett, CA, US

   Process Operations • Operate and monitor primary, secondary, and tertiary treatment processes • Control activated sludge systems (MLSS, RAS/WAS, DO, • Monitor flows, loadings, and hydraulic conditions • Prevent washout and maintain stable biological treatment2. Laboratory & Sampling Skills • Collect representative samples (influent, effluent, process points) • Perform field and bench tests: • pH • DO • Chlorine residual • Turbidity • TSS • Follow QA/QC procedures and proper chain of custody • Accurately record and interpret lab results3. Tertiary Treatment • Operate filtration systems • Operate chlorine disinfection and dechlorination systems4. Equipment & Mechanical Skills • Inspect and operate: • Pumps • Blowers • Valves • Clarifiers • Screens and grit systems • Perform routine maintenance: • Lubrication • Belt checks • Oil levels • Cleaning equipment • Recognize early signs of mechanical failure5. SCADA & Control Systems • Monitor plant operations through SCADA • Respond to alarms and trend • Verify SCADA readings • Document alarms and corrective actions6. Safety & Compliance • Apply confined space entry procedures • Follow Lockout/Tagout (LOTO) • Properly handle chemicals (chlorine, sodium hypochlorite, polymers) • Use appropriate PPE • Understand OSHA and plant SOP’s7. Regulatory Awareness • BOD • TSS • Ammonia • Turbidity • Chlorine residual • Maintain accurate logs and records8. Troubleshooting & Decision-Making • Identify process upsets (bulking, foaming, rising sludge) • Make operational adjustments within authority • Respond to alarms, spills, or abnormal conditions • Maintain plant stability during high flows or wet weather9. Communication & Teamwork • Communicate clearly with supervisors and coworkers • Write clear shift logs and reports • Follow SOPs and verbal instructions • Coordinate with maintenance and lab staff10. Independent Work & Reliability • Perform rounds independently

Education

• University of San Agustin, Iloilo, Philippines

  Mechanical Enginering

Skills

• Cryogenic Refrigeration
• Prototype Development
• New Product Training
• Gas Analysis
• Mechanical/Electrical Analysis
• Diagnosis of Product Failures
• Cryogenics
• Product Training
• Testing
• Semiconductors
• Semiconductor Industry
• Manufacturing
• Product Development
• Engineering Management
• Cross-Functional Team Leadership
• Product Lifecycle Management
• Product Management
• Manufacturing Engineering
• Spc
• Failure Analysis
• Design for Manufacturing
• Design of Experiments
• Troubleshooting
• Electronics
• Pvd
• Vacuum
• Cvd
• Electro-Mechanical
• Root Cause Analysis
• Metrology
• Thin Films
• Fmea
• Team Management
• Automotive
• Marketing Management
• Customer Engagement
• Customer Satisfaction
• Customer Relationship Management (Crm)
• Customer Service