Ernesto Vallejo II
Sunnyvale,CA
Summary
Hardworking operator skilled in quality control and machine and equipment troubleshooting paired with outstanding time management and multitasking abilities. Quick learner offering several years of experience operating machines of various magnitudes. Focused on reducing costs and increasing productivity.
Overview
1
1
Language
2
2
years of professional experience
Work History
Operator Technician
Cordis
Sunnyvale, CA
07.2025 - Current
- Executed thermal reflow, heat bonding, tube trimming, marker band crimping, and tip-forming processes, ensuring adherence to engineering specifications for optimal product quality.
- Conducted in-process dimensional and visual quality inspections using pin gauges, micrometers, calipers, and optical comparators;ran leak and pull testing to ensure product integrity.
- Maintained accurate lot tracking and completed Device History Records (DHR) under Good Documentation Practices (GDP), supporting compliance and traceability.
- Performed complete line clearances and setup verifications before starting production runs.
- Operated in ISO Class 7/8 cleanrooms, strictly following gowning protocols, contamination controls, and safety procedures.
- Performed intricate micro-assembly on catheter lines and sub-assemblies under10x-40x stereoscopes and high-magnification microscopes..
Manufacturing Production Associate
Cepheid
Sunnyvale, CA
08.2024 - 06.2025
- Assembled microfluidic PCR test cartridges (such as COVID-19, Flu, and infectious disease diagnostic tests) according to approved Standard Operating Procedures (SOPs)..
- Operated semi-automated and automated assembly equipment for test cartridge filling, sealing, and pouching.
- Conducted visual and structural inspections to detect material defects, leaks, or component misalignments prior to final packaging.
- Maintained strict compliance with cGMP regulations, cleanroom standards, and safety guidelines.
- Worked flexibly across assembly stations and collaborated with team leads to maintain daily output goals and high line yield.
Education
Saint Anne’s Catholic High School
Philippines , BulacanSkills
- Thermal reflow
- Dimensional inspections
- Cleanroom protocols
- Micro-assembly techniques
Microscope/Stereoscope
Heat reflow assembly
UV Bonding, Tube Cutting, Swaging, Tip Forming, Leak Testing
Languages
English
Professional
Timeline
Operator Technician
Cordis
07.2025 - Current
Manufacturing Production Associate
Cepheid
08.2024 - 06.2025
Saint Anne’s Catholic High School