MSS USA CORP, a subsidiary of MSSCORPS CO., LTD, is a leading provider of advanced materials analysis services for the semiconductor industry. We are looking for an experienced Senior Equipment Engineer to lead the maintenance, troubleshooting, and optimization of Transmission Electron Microscopy (TEM) and Focused Ion Beam (FIB) systems in our new lab.

About the Role

As a Senior Equipment Engineer, you will play a key role in ensuring the reliability and performance of our TEM and FIB systems by performing preventative maintenance, troubleshooting complex issues, and optimizing tool uptime. You will work closely with vendors, service providers, and internal teams to support installation, qualification, and continuous improvement efforts.

Why Join Us?

This is a unique opportunity to be at the forefront of semiconductor analysis technology and contribute to the foundation of a cutting-edge materials analysis facility. If you're ready to take on a senior role in a fast-paced and growing environment, we’d love to hear from you!

Ideal Candidate

• Experienced & technically proficient – Strong background in TEM/FIB maintenance, troubleshooting, and repair.
• Problem-solver – Diagnoses and resolves complex equipment issues efficiently.
• Hands-on & detail-oriented – Excels in hands-on maintenance and precision work.
• Collaborative & communicative – Works effectively with cross-functional teams, vendors, and contractors.
• Proactive & adaptable – Thrives in a dynamic environment, taking initiative to improve processes.

Key Responsibilities

• Perform preventative and corrective maintenance on TEM and FIB systems to ensure high uptime and performance.
• Diagnose and troubleshoot mechanical, electrical, and vacuum-related issues in TEM/FIB tools.
• Oversee new equipment installation and qualification, working closely with vendors and contractors.
• Optimize tool performance by refining processes, improving preventive maintenance strategies, and implementing best practices.
• Develop and update SOPs for equipment operation, maintenance, and troubleshooting based on vendor manuals.
• Manage vendor relationships and coordinate service contracts and spare parts procurement.
• Support lab operations by assisting with other semiconductor metrology tools as needed.

Qualifications

• Bachelor’s degree or higher in Engineering, Physics, or a related field (or equivalent experience).
• 5+ years of hands-on experience with TEM/FIB maintenance and troubleshooting in a semiconductor, R&D, or industrial lab setting.
• Strong understanding of electron optics, vacuum systems, and precision mechanics.
• Ability to diagnose and repair mechanical, electrical, pneumatic, and vacuum failures based on specifications and manuals.
• Experience reading and interpreting technical drawings, schematics, and service manuals.
• Experience working with third-party vendors for tool installation, service, and spare parts procurement.