Assembler Tech, Medical Devices Operator, Wafer Fab Operator, Qc Inspe

MARY H. VALDOVINOS

Assembler Technician Medical Device Operator Wafer Fab Operator Quality Control Specialist

408-***-**** ****.**********.****@*****.*** Mary Valdovinos LinkedIn Los Banos / San Jose, CA PROFESSIONAL SUMMARY

Accomplished and precision-focused Assembler Technician with 10+ years of experience in aerospace, medical devices, automotive, and semiconductor manufacturing. Demonstrated expertise in mechanical/electrical assembly, wafer fabrication, and advanced machinery operation, consistently achieving up to 95% production efficiency. Proven success in driving quality and efficiency, including reducing wafer defects by 10% and cutting production waste by 5% through lean manufacturing initiatives. Skilled in blueprint interpretation, microscopic inspections, and complex sub-assemblies to ensure 100% compliance with quality standards. Recognized for mentoring and training peers, enhancing team capability, and maintaining uncompromising safety protocols across fast-paced, high-spec production environments. CORE COMPETENCIES 10+ YEARS IN PRECISION MANUFACTURING Mechanical & Electrical Assembly

Expert in precision assembly of complex mechanical, electrical, and electronic components and sub-assemblies, ensuring highest accuracy and product reliability.

Blueprint & Technical Documentation

Proficient in reading and interpreting complex engineering drawings, schematics, and SOPs to execute detailed assemblies. Advanced Tools & Equipment Operation

Hands-on expertise with microscopes, wafer bonding machinery, soldering equipment, calipers, gauges, and automated/semi-automated production systems.

Quality Assurance & GMP Compliance

Reduced errors by 10% through rigorous inspections and corrective actions while ensuring strict compliance with GMP and ISO standards. Lean Manufacturing & Continuous Improvement

Applied lean principles to cut production waste by 5%, streamline workflows, and enhance production efficiency. Machine Operation & Maintenance

Skilled in wafer fabrication and bonding equipment operation, with preventive maintenance expertise to minimize downtime and sustain productivity. Safety & Compliance Leadership

Enforced stringent safety protocols, clean room standards, and OSHA regulations, creating a secure and compliant work environment. Team Training & Collaboration

Trained and mentored peers, enhancing team performance, knowledge transfer, and cross-functional collaboration to exceed production goals. Problem-Solving & Process Optimization

Skilled in troubleshooting assembly and process issues, implementing corrective measures, and driving continuous improvements. PROFESSIONAL EXPERIENCE

AOI Printed Circuit Chassis Assembly Operator

Foxconn LLC

03/2025 - 08/2025 San Jose

Enhanced Quality & Efficiency: Operated Automated Optical Inspection (AOI) systems to perform precise PCB assemblies, achieving 100% quality checks that reduced rework rates by 15% and ensured compliance with production timelines and quality standards. Drove Lean Manufacturing Initiatives: Partnered in cross-functional lean projects that cut material waste by 5%, streamlined assembly processes, and boosted overall line efficiency without sacrificing accuracy or product integrity. Mentored & Developed Talent: Trained and onboarded 3 new team members on SOPs and safety protocols, strengthening team capability, improving process consistency, and elevating collective performance. Prevented Defects & Ensured Reliability: Conducted functionality tests and AOI inspections, repairing defects in real time to increase first-pass yield by 10% and enhance overall product reliability and lifecycle performance. Medical Device Operator III

Abbott Vascular

03/2025 - 08/2025 Menlo Park

Improved Product Reliability: Conducted microscopic inspections and precision measurements on medical devices, detecting defects early and applying corrective actions that increased first-pass yield by 12% and ensured regulatory compliance. Streamlined Manufacturing Efficiency: Supported lean initiatives that reduced material waste by 5%, optimized assembly methods, and boosted throughput in a high-spec cleanroom environment.

Strengthened Quality & Traceability: Maintained 100% accurate production and quality records, enabling complete component traceability, smoother audits, and stronger compliance with GMP and ISO standards. Advanced Safety & Collaboration: Applied rigorous safety practices, trained peers on proper tool usage, and partnered with cross-functional teams to reduce workplace risks and enhance overall production efficiency.

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PROFESSIONAL EXPERIENCE

Wafer Operator III / Medical Device Assembler-Tester TE Connectivity

12/2022 - 04/2025 Milpitas

Achieved 95% production efficiency by operating and troubleshooting anodic and fusion bonding machinery, applying controlled high voltage (up to 1000V) and heat to hermetically seal glass-to-silicon/metal substrates for medical devices. Reduced wafer defects by 10% through precise control of bonding parameters (temperature, pressure, voltage), performing inspections with microscopes, precision measuring instruments, and optical tools, and adhering to SOPs and Class 100 cleanroom protocols. Improved process yield and minimized downtime by collaborating with engineers to troubleshoot wafer bonding issues, performing preventive maintenance on photolithography, etching, and deposition tools, and calculating bonding times using Pyrex thickness specifications. Ensured 100% GMP/ISO compliance by conducting incoming and final inspections, calibrating medical devices with oscilloscopes, autocollimators, and test benches, and documenting production data in MES systems and Excel spreadsheets. Die Attach Assembler II (Temp)

Samina Corp

01/2024 - 01/2025 San Jose

Boosted Assembly Accuracy & Quality: Interpreted technical blueprints and SOPs to execute precision die attach and sub-assembly, reducing rework cycles by 12% and ensuring 100% compliance with engineering specifications. Implemented Proactive Quality Control: Performed microscope inspections and particle contamination testing, detecting 99.8% of defects at in-process stage to protect downstream quality and final product integrity. Enhanced Operational Efficiency: Standardized tooling processes and reorganized workstations, improving material handling efficiency by 15% and accelerating assembly timelines while maintaining safety compliance. Ensured Continuous Process Integrity: Conducted and documented twice-daily particle tests, producing flawless records that enabled root cause analysis and drove a 5% improvement in overall process cleanliness and reliability. Assembly Technician (Temp)

Enovix Corp

08/2023 - 01/2024 Fremont

Ensured Premium Product Quality: Verified assembled lithium-ion battery components using precision measuring tools (calipers, micrometers), achieving a 99.5% first-pass yield and ensuring compliance with strict specifications for wearable electronics. Optimized Production Throughput: Performed manual and automated assembly operations for complex sub-assemblies, reducing cycle times by 8% and enabling efficient high-volume production runs for consumer devices. Guaranteed Traceability & Process Control: Maintained and reported daily electronic production records with 100% accuracy, providing actionable data that improved workflow continuity and manufacturing consistency by 10%. Upheld Flawless Safety Standards: Proactively identified and eliminated hazards while enforcing PPE protocols, achieving a 100% safety compliance record and preserving uninterrupted technical assembly operations. Food Production Associate

Saputo Foods USA

05/2022 - 12/2022 St. Augustine

Maximized Production Line Efficiency: Performed rapid equipment changeovers, CIP/SIP, and line setups, cutting downtime by 15% and sustaining uninterrupted operations in high-volume food manufacturing. Ensured 100% Compliance & Zero Labeling Errors: Validated and configured packaging coders with precision, achieving 100% GMP and food safety compliance while eliminating labeling defects across all shipments. Enhanced Final Product Quality: Inspected finished goods with meticulous attention to detail, resolving 99.7% of potential defects before packing to protect product integrity and strengthen brand reputation. ADDITIONAL EXPERIENCE

Assembly Technician CelLink Corp 2018 – 2022

Built and wired electrical panels for EV batteries, collaborated with engineers to improve designs, and trained new employees; recognized for delivering high-quality output and improving production efficiency by 10%. Electro-Mechanical Assembler II Lam Research Laboratories 2020 Assembled and tested electromechanical components, replaced defective parts to reduce downtime by 8%, and documented quality checks to support continuous improvement.

Medical Device Operator Abbott Vascular 2020

Assembled and tested pacemakers/ICDs under cleanroom standards, performed microscopic inspections and rework, and ensured compliance with FDA and ISO regulations.

Wafer Fab Operator Memorex, Inc. 1990 – 1997

Operated cleanroom wafer bonding equipment, calibrated gauges/meters, managed production queues, and ensured consistent product quality while adhering to strict safety protocols.

Electronic-Mechanical Line Assembler III Samina Corp 1985 – 1990 Built complex electronic subassemblies, tested PCBs with quality teams, and supported workflow improvements that reduced assembly defects by 5%. EDUCATION

General Educational Development (GED) San Jose, CA SEP 1993 GPA: 3.4

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