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Technical Support Engineer; Substrate) Bilingual in Korean
Job in
Cupertino, Santa Clara County, California, 95014, USA
Listed on 2026-11-04
Listing for:
Cesna Recruitment
Full Time
position Listed on 2026-11-04
Job specializations:
-
Engineering
Technical Support
Job Description & How to Apply Below
- - Provide technical support for customer development programs (Mobile AiP, SiP, FC-CSP, RF).
- - Resolve technical issues and drive performance stabilization at the customer.
- - Identify and develop PoC opportunities through customer engagement.
- - Guide BOM and substrate structure selection using LGIT technical solutions.
- - Lead design reviews, TRA assessments, yield improvement, and production readiness.
- - Coordinate between customer engineering and LGIT R&D, Process,Quality, and Manufacturing.
- - Conduct regular customer meetings and technical presentations.
- - Collect customer VOC and market intelligence to shape technology roadmaps.
- - Support technology promotions, exhibitions, and strategic customer engagements.
- - Promote advanced substrate technologies (Hybrid Stack-up, Fine Pattern, Cavity, Hyper Flex).
- - Bachelor's degree or higher in Engineering, Materials Science, Chemistry, or a related field.
- - Bilingual in both English and Korean
- - - 10+ years in package substrate development, process or customer engineering, or technical marketing.
- - Proven record of leading substrate projects through mass production.
- - Experience supporting major semiconductor customers preferred.
- - Deep knowledge of substrate processes, materials, structures, and design rules.
- - Hands-on experience with ABF, ETS, Hybrid Stack-up, Cavity, Fine Pattern, and RF.
- - Ability to translate customer requirements into technical solutions.
- - Experience in NPI, yield improvement, and production transfer.
- - Strong customer relationship management skills.
- - Clear technical presentation and communication skills.
- - Project management and problem-solving capability.
- - MS Office (PowerPoint, Excel, Word).
- - Six Sigma Green Belt or equivalent preferred.
- - PMP or equivalent project management certification preferred.
- - On-site customer support with frequent customer engagement.
- - Frequent travel to customer sites within the U.S.
- - Periodic travel to Korea for engineering and business reviews.
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