Quality Welding Engineer (E5)

Who We Are

Applied Materials is a global leader in materials engineering solutions used to produce virtually every new chip and advanced display in the world. We design build and service cutting-edge equipment that helps our customers manufacture display and semiconductor chips the brains of devices we use every day. As the foundation of the global electronics industry Applied enables the exciting technologies that literally connect our world like AI and IoT. If you want to push the boundaries of materials science and engineering to create next generation technology join us to deliver material innovation that changes the world.

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We are seeking an experienced Quality Welding Engineer to support fabrication of ultra-high-purity (UHP) gas delivery systems for semiconductor process equipment including gas panel assemblies and chamber weldments. This role owns weld quality across the fabrication lifecycle procedure qualification welder certification in-process inspection and nonconformance resolution within a controlled cleanroom manufacturing environment. The ideal candidate combines deep orbital welding and stainless steel metallurgy expertise with fluency in the SEMI standards that govern UHP gas system integrity.

• Develop qualify and maintain welding procedure specifications (WPS) and procedure qualification records (PQR) for orbital GTAW of UHP gas lines gas panels and chamber weldments.
• Establish and audit welder/operator qualification programs for orbital and manual welding personnel working on UHP systems.
• Serve as the site subject matter expert on applicable SEMI standards including F78 (particle contamination / cleanroom compatibility) F81 (surface roughness for UHP components) E49.8 (orbital weld documentation and acceptance) F70 (UHP gas distribution system components) and related SEMI specifications governing gas delivery hardware.
• Own weld quality within cleanroom fabrication cells: gowning discipline purge gas control ID/OD surface finish verification and contamination prevention throughout the weld process.
• Perform and oversee visual boroscopic and dimensional weld inspection against acceptance criteria; drive root-cause analysis and corrective action for weld discrepancies and nonconformances.
• Provide metallurgical oversight of 316L stainless steel (and related UHP alloys) including heat-affected-zone control oxide/heat-tint discoloration limits interpass temperature and purge gas (Ar/back-purge) requirements to preserve corrosion resistance and surface passivation.
• Specify evaluate and maintain orbital welding equipment power supplies weld heads and tube-prep tooling from manufacturers such as Arc Machines Inc. (AMI) Polysoude Orbitalum and equivalent including PQ/programming preventive maintenance and end-of-life qualification.
• Partner with manufacturing engineering quality assurance and supply chain teams to qualify internal and supplier weld sources against consistent acceptance standards.
• Support root-cause investigations and 8D/CAPA activities for weld-related field or customer escrow issues.
• Maintain and audit weld travelers certification records and traceability documentation to support customer and internal quality audits.

• Bachelors degree in Welding Engineering Materials/Metallurgical Engineering Mechanical Engineering or equivalent hands-on experience in lieu of degree.
• 5 years of welding engineering or weld quality experience in semiconductor capital equipment UHP gas systems or a comparably regulated high-purity fabrication environment.
• Standards expertise: Demonstrated working knowledge of SEMI F78 F81 E49.8 and F70
• Direct hands-on or oversight experience with orbital GTAW welding equipment from Arc Machines Inc. (AMI) Polysoude Orbitalum or comparable OEMs including weld schedule development and machine qualification.
• Strong understanding of 316L stainless steel metallurgy including electropolishing sulfur content effects on weld penetration ID surface finish and passivation as applied to UHP gas line and chamber weldment fabrication.
• Experience working within a certified cleanroom manufacturing environment (Class 100/ISO 5 or better) including contamination control protocols specific to gas panel and gas box assembly.
• Familiarity with WPS/PQR development and welder performance qualification under AWS D1.2 ASME Section IX or equivalent codes adapted for orbital tube welding.
• Working knowledge of VCR/VCO/face-seal fitting cleanliness requirements and UHP component handling practices.
• Strong root-cause and corrective-action (8D fishbone 5-Why) problem-solving skills applied to weld defects and process escapes.

• AWS Certified Welding Inspector (CWI) or equivalent certification.
• Prior experience supporting supplier qualification or supplier weld audits for semiconductor equipment OEMs or their supply base.
• Experience with gas panel engineering documentation MFC/component-level FMEA or ANSI/ASQ Z1.4 sampling plans in a quality context.
• Familiarity with additional SEMI standards relevant to UHP gas delivery (e.g. F19 F57) and general semiconductor equipment quality systems.

This role is based in a combined office and cleanroom manufacturing environment in Austin TX. Cleanroom gowning is required for time spent on the production floor. Some domestic travel may be required.

Additional Information

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The salary offered to a selected candidate will be based on multiple factors including location hire grade job-related knowledge skills experience and with consideration of internal equity of our current team addition to a comprehensive benefits package candidates may be eligible for other forms of compensation such as participation in a bonus and a stock award program as applicable.

For all sales roles the posted salary range is the Target Total Cash (TTC) range for the role which is the sum of base salary and target bonus amount at 100% goal achievement.

Applied Materials is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race color national origin citizenship ancestry religion creed sex sexual orientation gender identity age disability veteran or military status or any other basis prohibited by law.

In addition Applied endeavors to make our careers site accessible to all users. If you would like to contact us regarding accessibility of our website or need assistance completing the application process please contact us via e-mail at or by calling our HR Direct Help Line at option 1 and following the prompts to speak to an HR Advisor. This contact is for accommodation requests only and cannot be used to inquire about the status of applications.