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Salary
≈ $50k – $104k per year (Estimated)
Location
In office (Tokyo)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Jul 27, 2026.

Overview
Company
Impact
Profile match
Entegris is a specialty materials and process solutions company headquartered in Billerica, Massachusetts, supplying the semiconductor industry with specialty chemicals, CMP slurries and cleaning solutions, deposition precursors, filtration, fluid handling and wafer carriers. Listed on Nasdaq and enlarged by its 2022 acquisition of CMC Materials, it runs manufacturing and technology sites across the United States, Taiwan, South Korea, Japan, Malaysia, Singapore and France. It hires manufacturing and process technicians, chemical and machine operators, manufacturing, reliability and product development engineers, lab technicians, scientists and supply chain staff.

Job Title:

Senior Manager, Field Applications Engineering

Job Description:

The Role:

Entegris Japan is seeking a Field Application Engineer (FAE) to support semiconductor manufacturers, semiconductor OEMs, and material suppliers. The role will focus on contamination control through filtration solutions applied in semiconductor wet processes and manufacturing equipment, providing technical support and applicationexpertiseto customers.

This position is locatedat the Entegris - Tokyo/Geino/Remote, Japan.

In this role you will:

The primary responsibility of the Field Application Engineer (FAE) is to provide marketing and technical solutions (MTS) to semiconductor chip manufacturers, OEMs, and material suppliers, helping customers improve their productivity, product quality, and manufacturing yield.

To achieve this, the FAE works closely with customers and collaborates extensively with various organizations and functions within Entegris, fostering effective communication and strong cross-functional partnerships.

Primary Responsibilities:

  • Assistwith prototypes or derivativeliquid filtration/purificationproducts in both established and new applications.

  • Promote mature products infabapplicationsfordefectreduction to improvecustomersyield.

  • Provide technical mechanisms and solutions to address issues faced byfabsand chemical suppliers using theappropriate Entegrisproducts.

  • Participate in regular meetings with customers and internal teams (AccountManagers, Applications,Quality Engineering,BU/PM) to share feedback, assess progress, drive solutions, and enhance communicationregardingproduct evaluations and application challenges.

  • Engage innew business development, conduct market share analysis, and implement strategic initiatives.

  • Gather and share technical lessons learned with FAE technologists in other regions to expand business opportunities.

  • Demonstrate excellence in planning, execution, discipline, learning, leadership, and teamwork (exemplify Entegris PACE values)

  • Provide support for various documentation expectations such as business process documents, item tracking, performance reportingand continuous improvementproject management.

Traits we believe make a strong candidate:

  • BS or MS inEngineering withexperience in Semiconductor Engineering

  • 5+ years of experience in specialtyWEC, Photo Track,CMPor related industry

  • Excellent communication, planning, organizational, and leadership skills.

  • Flexibility to adapt to various work environments, workforce dynamics, and customer needs.

  • Strong knowledge of semiconductor manufacturing processes, including Wet Etch Clean, Photolithography, and CMP-related defect reduction and yield improvement.

  • Fluentin Englishspeaking, capable of effective communication through conversation, oral presentations, and written reports.

Your success will be measured by:

  • The successful candidate will collaborate with a cross-functional team to deliver optimaltechnical solutions to customer issues and serve as the voice of the customer, providingkey insights to guide and participatein new product development.

  • Tenacity to drive projects completionin a timely manner

  • Professionalism,integrityand high degree of accountability

  • Ability to collaborate with individuals at all levels and functional groups within the organization

  • Ability to leveragetechnical knowledge and tools to drive continuous improvement

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