Senior Engineer, Manufacturing Engineering (EUV)

Location: Wonju-si, Gangwon-do, South Korea; Munmak site

Company

hirify.global supports EUV manufacturing capability within its Advanced Purity Solutions Division.

What you will do

• Lead EUV manufacturing engineering from process development and qualification through production ramp-up and stable volume manufacturing.
• Establish and optimize processes, equipment, tooling, fixtures, work instructions, process parameters, and engineering standards.
• Drive manufacturing readiness, qualification, productivity ramp-up, capacity expansion, quality improvement, and operational excellence programs.
• Improve OEE, yield, FPY, cycle time, productivity, scrap, capacity, process capability, and qualification performance.
• Lead root-cause investigations, corrective actions, bottleneck resolution, automation, equipment upgrades, and digital manufacturing initiatives.
• Support CAPEX planning, supplier evaluation, FAT/SAT, equipment qualification, customer engineering discussions, and cross-site technical programs.

Requirements

• Bachelor’s degree or higher in mechanical, manufacturing, industrial, automation, mechatronics, materials engineering, or a related engineering discipline.
• Minimum 8 years of relevant experience in manufacturing engineering, process engineering, semiconductor manufacturing, high-purity manufacturing, precision manufacturing, automation, or another highly controlled manufacturing environment.
• Ability to independently lead cross-functional manufacturing or engineering projects and manage multiple priorities through completion.
• Strong understanding of manufacturing processes, process qualification, production ramp-up, process control, capacity analysis, and continuous improvement.
• Experience with RCA, 5 Whys, Fishbone, DOE, SPC, PFMEA, Control Plan, MSA, and process capability analysis.
• Strong analytical skills for translating manufacturing and quality data into engineering decisions and improvement actions.
• Ability to communicate complex technical information with Manufacturing, Quality, Product Engineering, management, global technical teams, and customer-facing organizations.
• Ability to communicate in English for technical discussions, engineering documentation, and cross-site collaboration.

Nice to have

• Experience with semiconductor customers or semiconductor manufacturing environments.
• Experience leading NPI, industrialization, process qualification, production transfer, requalification, or manufacturing ramp-up programs.
• Direct customer experience involving technical requirements, qualification, manufacturing capability, or engineering issues.
• Experience improving OEE, yield, productivity, cycle time, capacity, process capability, or manufacturing quality.
• Experience with manufacturing automation, equipment integration, digital manufacturing, production data, or traceability solutions.
• Experience with CAPEX justification, equipment specification, supplier selection, FAT/SAT, and qualification.
• Working knowledge of SAP, MES, SPC systems, electronic quality systems, or manufacturing data platforms.
• Ability to identify capability gaps, develop manufacturing roadmaps, and build sustainable internal engineering capability.

Culture & Benefits

• Work cross-functionally with Manufacturing, Quality, Product Engineering, Supply Chain, global engineering teams, and customer-facing organizations.
• Provide technical leadership for EUV growth opportunities and strengthen internal engineering capability at the Munmak site.
• Maintain controlled engineering documentation, change-control records, qualification evidence, technical reports, and action logs.