Technical Support Engineer (Package Substrate) Bilingual in Korean

1) Main Responsibilities

- 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 customerengagement.

- Guide BOM and substrate structure selection using LGIT technicalsolutions.

- Lead design reviews, TRA assessments, yield improvement, and production readiness.

- Coordinate between customer engineering and LGIT R&D, Process,Quality, and Manufacturing.

2) Others

- 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).

Requirements

- 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.

Travel:

- 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.