To make electronics, you need chips, wafers, transistors, reticles, and... To make these, you must see, test and manufacture them at scale—faster and better than ever before. That's where KLA comes in. Whether you're early in your career or an experienced professional, you'll solve complex challenges, work alongside brilliant minds and help shape the future of technology. Group/Division The Semiconductor Products and Customers (Semi PC) business unit designs, builds and sells KLA’s product portfolio to help chip manufacturers meet high-quality standards to enable technologies like AI, data centers, automotive and electronic devices. Our inspection, metrology, and analytics systems detect and monitor defects across logic and memory chips, specialty semiconductors, wafers, reticles, advanced packaging, process equipment and materials. We also develop technologies for specialty processes, IC substrates, and PCB manufacturing, including etch and deposition, component inspection, and imaging and analytics. What You'll Do In this role, you will play a key part in advancing business priorities by delivering high-impact work across your area of expertise. Job Description - Develop and maintain equipment control and integration software for semiconductor inspection systems - Design and implement software solutions using C#, C++, and Python - Perform on-site system integration, testing, troubleshooting, and issue resolution at customer fabs - Collaborate with global FIG, ICOS, and customer engineering teams to ensure successful project delivery - Improve software quality, stability, and deployment processes - Support integration with factory automation systems, MES, and equipment interfaces Preferred Qualifications - Experience in equipment software, factory automation (FA), or semiconductor industry - Familiarity with SECS/GEM, EFEM, or equipment integration architecture - Experience in customer-facing roles or global projects - Understanding of semiconductor manufacturing processes - Experience working with MES or factory automation systems - Additional language skills (e.g., Mandarin, Japanese) are a plus - Hands-on experience in system integration and customer-facing environments is strongly preferred Minimum Qualifications - Minimum 5+ years of professional experience in software development, with strong proficiency in C#, C++, and Python - Strong English communication skills (verbal and written) in a global environment - Ability to independently deliver end-to-end software solutions - Strong problem-solving and troubleshooting capability in real production environments - Willingness to work in customer-facing and on-site environments - Flexibility for frequent domestic and international travel About KLA We provide advanced inspection tools, metrology systems, process solutions, and computational analytics that make electronics possible, tackling complex challenges. From electron and photon optics to machine learning and data analytics, we seek perfection at the most fundamental level of matter in the universe. If you want to make electronics that push industries forward and make the world a better place, join us. Use of AI Statement At KLA, our interviews seek to understand your individual skills, problem-solving approach and authentic thinking. To ensure a fair and consistent evaluation, the use of AI, recording tools or other technologies to generate, suggest or provide responses during interviews—whether virtual or in person—is not permitted unless explicitly approved in advance as part of a reasonable accommodation or invited by the interviewer. Use of these tools may interfere with our ability to evaluate your individual qualifications and affect your candidacy. KLA is committed to advancing innovation through responsible AI, and we value candidates who share this mindset. We offer a competitive, family friendly total rewards package. We design our programs to reflect our commitment to an inclusive environment, while ensuring we provide benefits that meet the diverse needs of our employees. KLA is proud to be an equal opportunity employer. We do not accept resumes from headhunters, placement agencies, or other suppliers that have not signed a formal agreement with us. Additional Information Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview, to become an employee, or for equipment. Further, KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA. Please ensure that you have searched KLA’s Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication, an interview, an offer of employment, or that an employee is not legitimate, please send an email to [email protected] to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.

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26 Oct, 2026

kla.com

Associate Test Engineer (Opto-Mech)

$28–49/hr

USA-CA-Milpitas-KLA, United States of America

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