Raffy Celis
Sr. Section Head HW and Maintenance Final Test at onsemi | Carmona, Calabarzon, Philippines
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Raffy Celis currently serves as the Sr. Section Head for Hardware and Maintenance Final Test at onsemi, where he plays a pivotal role in ensuring the seamless operation of critical testing infrastructure. His leadership encompasses the overall management of Load Board, Contactor Socket, and Hardware Control Maintenance within the Final Test Department, demonstrating his deep expertise in electromechanics and mixed-signal integrated circuits. Raffy’s strategic approach to line maintenance sustaining and equipment reliability has been instrumental in optimizing test throughput and reducing downtime, directly contributing to onsemi’s manufacturing efficiency and product quality.
As the section head for mixed-signal tester equipment, Raffy leverages his comprehensive knowledge of troubleshooting, process engineering, and cross-team collaboration to drive continuous improvement initiatives. His proactive leadership in OEE (Overall Equipment Effectiveness) projects, including leading the OEE Core Team to achieve world-class standards, underscores his commitment to operational excellence. Raffy’s innovative mindset is further exemplified by his patent for the “One Piece Contactor Solution,” showcasing his ability to develop practical, patentable solutions that enhance hardware reliability and reduce maintenance complexity.
With a Six Sigma Green Belt certification, Raffy applies data-driven analysis and quantitative problem-solving skills to identify root causes and implement effective corrective actions. His dedication to company growth is matched by his passion for fostering teamwork and cross-functional communication, ensuring that hardware and maintenance processes align with onsemi’s strategic goals. Raffy Celis’s expertise and leadership continue to drive advancements in hardware reliability, test efficiency, and overall manufacturing excellence at onsemi.
Sr. Section Head HW and Maintenance Final Test at onsemi in June 2017 to Present
Staff Process and Equipment Engineer at SunPower Corporation in December 2015 to June 2017
Section Head LM and Probe Card Central Shop at onsemi in March 2010 to November 2015
Section Head LM and Probe Card Central Shop at onsemi in March 2010 to November 2015
Engineer LM and Probe Card Central Shop at onsemi in January 2005 to February 2010
Set Up Support EG Final Test at onsemi in July 2002 to December 2004
Apprentice Central Shop Interface Technician at Texas Instruments in January 2002 to June 2002
Apprentice Central Shop Interface Technician at Texas Instruments in January 2002 to June 2002
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Technological University of the Philippines, Taguig, Bachelor of Engineering - BE, July 2026
Technological University of the Philippines, Electro-Mechanical Engineering Technology, July 1999 to July 2026
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Cross-team Collaboration
Operations
Production Lines
Mixed-Signal Integrated Circuits
Problem Solving
Electronics Manufacturing
Metrology
Wafer Fab
Six Sigma Green Belt
Electromechanics
Six Sigma
Total Productive Maintenance (TPM)
Line Maintenance
OEE
Troubleshooting
Manufacturing
Process Engineering
Mechanical Engineering
Engineering
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Discover more about onsemiWhat is Raffy Celis email address?
Email Raffy Celis at [email protected]. This email is the most updated Raffy Celis's email found in 2026.
How to contact Raffy Celis?
To contact Raffy Celis send an email to [email protected]. (updated on March 01, 2025)
What company does Raffy Celis work for?
Raffy Celis works for onsemi
What is Raffy Celis's role at onsemi?
Raffy Celis is Sr. Section Head HW and Maintenance Final Test
What is Raffy Celis's Phone Number?
Raffy Celis's phone (**) *** *** 601
What industry does Raffy Celis work in?
Raffy Celis works in the Electrical & Electronic Manufacturing industry.
Raffy Celis Email Addresses
Raffy Celis Phone Numbers
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