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KLA Tech Stack

Semiconductor process control and inspection equipment manufacturer

Semiconductor Manufacturing Milpitas, California 10,001+ employees Public Company

KLA manufactures process-control and inspection systems for semiconductor wafer production, reticle/mask fabrication, and advanced packaging. The tech stack—heavy in C/C++, Python, MATLAB, and CUDA, paired with adoption of PLC, RAG, and Azure AD—reflects a hardware-software hybrid with emerging AI and cloud infrastructure work. Active hiring across engineering, support, and manufacturing globally, combined with projects focused on next-generation metrology and mask inspection, indicates a company scaling both product development and field operations to keep pace with advanced-node manufacturing.

Tech Stack 200 technologies

Core StackC# Java Python Docker Kubernetes MATLAB Linux C++ TensorFlow SWIFT JavaScript Angular Cisco SQL Creo C/C++ Windows CUDA Zemax Altium Eagle FPGA Unix Azure SERDES PCIe Cisco IOS Arista EOS Arista SD-WAN+170 more

AdoptingSWIFT Azure AD RAG PLC Single Sign-On

What KLA Is Building

◆Challenges

System level problems
Maintaining peak performance
Improving tool performance
Troubleshooting complex equipment
Reducing equipment downtime
Improving equipment reliability
Minimizing down time
Minimizing equipment downtime
Repairing complex capital equipment
Ramping next-generation devices to volume production

▲Active Projects

New product introduction
Next-generation metrology tools
Mask inspection software
Wafer inspection product development
Spx platform development
Next generation reticle inspection products
Prototype testing
Engineering change order review
Learning journeys covering ai fundamentals
Tool performance characterization

Hiring Activity

Steady1,000 roles · 330 in 30d

Department

Engineering

563

Support

164

Manufacturing

42

Ops

39

Finance

22

Research

22

HR

18

Logistics

17

Seniority

Mid

433

Senior

209

Junior

134

Intern

66

Manager

64

Lead

35

Director

11

Staff

10

Notable leadership hires: NPI Sourcing Lead, Strategic NPI Sourcing Lead, Technical Lead, Software Development Lead, Central Platform Group Head

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About KLA

KLA is a publicly traded semiconductor capital equipment manufacturer headquartered in Milpitas, California, with 10,001+ employees. The company designs and sells process-control, inspection, and metrology systems used by chip manufacturers and foundries worldwide to monitor wafer quality, detect defects, and optimize yield during fabrication and advanced packaging. Operations span equipment design, software integration, customer support, and spare-parts logistics across 18 countries including the United States, Taiwan, South Korea, Japan, Singapore, China, and Western Europe. Active projects center on next-generation metrology tools, mask inspection products, and platform modernization.

HeadquartersMilpitas, California

Company Size10,001+ employees

Hiring MarketsSingapore, United States, South Korea, Malaysia, Italy, France, China, Japan

Frequently Asked Questions

What tech stack does KLA use?

Core languages: C#, C/C++, Java, Python, SQL. Infrastructure: Docker, Kubernetes, Azure, Linux, Windows. Specialized: MATLAB, CUDA, TensorFlow, FPGA. Adopting: PLC, RAG, Single Sign-On, Azure AD.

What countries does KLA hire in?

18 countries: United States, Singapore, South Korea, Taiwan, Japan, China, Malaysia, India, Germany, United Kingdom, Israel, France, Italy, Ireland, Belgium, Denmark, Australia, Peru.