Applications Engineer, Level 1

Onto Innovation

. Support semiconductor activities in Korea and other regions worldwide as needed .

Posted 9/29/2026full-timeIcheon • South KoreaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in semiconductor applications, metrology tools, and optics, with a strong focus on troubleshooting, recipe development, and customer liaison. Capable of conducting training and collaborating effectively with cross-functional teams to enhance tool utilization and address customer needs.

Highest-signal resume keywords

Semiconductor Manufacturing EquipmentMetrology Tools Application SupportOptics and Mechanical SystemsTroubleshooting and Problem SolvingField Applications Training

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Recipe DevelopmentTool Utilization ImprovementOpticsMechanical SystemsElectrical SystemsVacuum SystemsApplication SupportPerformance TuningField ImplementationExport Licensing Review

Soft Skills

Excellent CommunicationInterpersonal SkillsSelf-MotivatedPlanning SkillsOrganizational Skills

Certifications & Qualifications

B.S. Degree in EngineeringB.S. Degree in OpticsB.S. Degree in Physics

Industry Keywords

Clean Room EnvironmentCustomer LiaisonBusiness DevelopmentJEP ProjectsKnowledge Transfer

About the role

Key responsibilities & impact

Support semiconductor activities in Korea and other regions worldwide as needed
Provide application support for metrology tools
Set up new recipes and fine-tune existing recipes to improve performance
Develop new applications and improve tool utilization
Work with FSE to qualify new tool installations and troubleshoot issues
Report activities and issues to direct managers, local management, and/or HQ support teams
Participate in application-related JEP and special projects
Develop Best-Known-Methods during preparation
Transfer knowledge during field implementation
Conduct field applications training during sustaining
Serve as company liaison with customers on administrative and technical matters
Collaborate with colleagues, headquarters applications teams, and regional teams
Understand customer high-value problems and provide solutions
Escalate customer pain points, complaints, and technology gaps
Work with marketing and sales on business development

Requirements

What you’ll need

B.S. and above degree in engineering, optics, physics or equivalent experiences is required
3 years of prior experiences with optics, mechanical/vacuum, electrical systems, or semiconductor manufacturing equipment are preferred
Self-motivated
Excellent communication and interpersonal skills
Good planning, troubleshooting, and organizational skills
Ability to understand ramp requirements
Ability to work long hours in a clean room environment
Domestic and international travel when needed
Applicants may be subject to export licensing review, except US Citizens, US Permanent Residents, and protected individuals as defined by 8 U.S.C. 1324b(a)(3)

Benefits

Comp & perks

Competitive salaries
Health, dental, vision, life, and disability insurance
PTO
401K plan with employer match
Employee Stock Purchase Program (ESPP)
Health & wellness initiatives
Collaborative working environment
Resources and state-of-the-art tools & equipment
Welcoming, inclusive corporate culture
Recognition for individual contributions