Equipment Engineer – Wet Engineer

Coherent Corp. Vietnam•Sherman, TX

73d•Onsite

About The Position

Primary Duties & Responsibilities Own and maintain wet process equipment including wet etch systems, solvent spray/lift-off tools, spray acid tools, spin rinse dryers, and CMP/polisher systems Work with EHS and Safety teams to ensure safe operating measures, chemical handling protocols, and equipment safeguards are implemented and maintained. Collaborate with Process Engineers to support new process development, tool characterization, and data-driven improvement initiatives. Partner with Operations to understand production priorities, provide tool status updates in daily operations meetings, and develop recovery and maintenance plans. Identify and implement process and equipment improvements that yield safer, higher-quality, and more efficient operations with improved uptime. Develop and execute preventive maintenance programs to minimize unplanned downtime and improve tool reliability. Lead and mentor technicians on complex tool troubleshooting, PM execution, and documentation practices. Support capital projects and work closely with facilities and construction teams to plan and execute new tool installations, upgrades, and relocations. Identify, procure, and maintain critical spares lists to support sustained uptime. Build and maintain vendor relationships for technical support, spare parts, and capability enhancements. Develop and maintain project schedules, ensuring work is completed on time and within scope. Provide timely communication to management on tool performance, project progress, and any potential risks. Participate in root cause analysis (5Y, 8D) and drive corrective and preventive actions to closure. Support continuous improvement initiatives aligned with site-wide manufacturing and quality objectives. Travel domestically or internationally as required for tool installations, upgrades, or vendor training. Carry company-issued communication devices to provide 24/7 factory support as needed.

Requirements

Strong understanding of chemical process safety and safe work practices with acids, solvents, and chemical delivery systems.
Proficient in reading mechanical, electrical, and pneumatic schematics and interpreting process flow diagrams.
Demonstrated ability to troubleshoot complex tool issues to root cause and implement sustainable solutions.
Knowledge of vacuum and pump systems, fluid delivery, filtration, and temperature control subsystems.
Experienced with preventive maintenance program development and continuous improvement methodologies.
Competent in data analysis and statistical process control (SPC) techniques.
Strong organizational, communication, and leadership skills—able to balance multiple priorities effectively.
Proficient in Microsoft Office (Word, Excel, Outlook, PowerPoint) and familiar with maintenance tracking systems (e.g., Camstar or equivalent).
Ability to lead by example and mentor technicians in technical skill development and professional growth.
Self-motivated, dependable, and capable of working independently or in a collaborative cross-functional team.

Nice To Haves

Bachelor’s degree in Engineering, Electronics, or related field preferred.
Equivalent semiconductor experience will be considered in lieu of a degree.
5+ of experience working on wet process or related semiconductor equipment.
Spin Rinse Dryers (SRDs), Wet Benches, Solvent Spray/Lift-Off Systems, Spray Acid Tools, CMP Polishers, and related support systems.

Responsibilities

Own and maintain wet process equipment including wet etch systems, solvent spray/lift-off tools, spray acid tools, spin rinse dryers, and CMP/polisher systems
Work with EHS and Safety teams to ensure safe operating measures, chemical handling protocols, and equipment safeguards are implemented and maintained.
Collaborate with Process Engineers to support new process development, tool characterization, and data-driven improvement initiatives.
Partner with Operations to understand production priorities, provide tool status updates in daily operations meetings, and develop recovery and maintenance plans.
Identify and implement process and equipment improvements that yield safer, higher-quality, and more efficient operations with improved uptime.
Develop and execute preventive maintenance programs to minimize unplanned downtime and improve tool reliability.
Lead and mentor technicians on complex tool troubleshooting, PM execution, and documentation practices.
Support capital projects and work closely with facilities and construction teams to plan and execute new tool installations, upgrades, and relocations.
Identify, procure, and maintain critical spares lists to support sustained uptime.
Build and maintain vendor relationships for technical support, spare parts, and capability enhancements.
Develop and maintain project schedules, ensuring work is completed on time and within scope.
Provide timely communication to management on tool performance, project progress, and any potential risks.
Participate in root cause analysis (5Y, 8D) and drive corrective and preventive actions to closure.
Support continuous improvement initiatives aligned with site-wide manufacturing and quality objectives.
Travel domestically or internationally as required for tool installations, upgrades, or vendor training.
Carry company-issued communication devices to provide 24/7 factory support as needed.