Senior Game Security Engineer - Anti-Cheat & Windows

Krafton

El Segundo (CA)

On-site

USD 146,000 - 200,000

Full time

14 days+

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Job summary

KRAFTON Americas is seeking a seasoned Security Engineer to develop KSS Anti-Cheat and client security features for game runtimes. You will analyze user-mode and kernel-mode behavior on Windows, design high-performance protections, and respond to new cheats.

Candidates should have 5+ years in C++ and Windows internals, plus experience with kernel drivers and debugging tools (IDA, WinDbg, Ghidra). This California-based, on-site role offers a competitive salary and a path to impact across KRAFTON

Qualifications

5+ years of C++ software development.
5+ years of Windows security/anti-cheat experience.
Understanding of Windows internals: processes, threads, memory, DLLs, PE structures.
Ability to read x64 assembly and analyze disassembled code.
Knowledge of kernels, drivers, system calls, interrupts and memory management.

Responsibilities

Develop C++-based game security / Anti-Cheat client modules.
Detect and respond to cheat behaviors such as tampering, memory manipulation, code injection, hooking, debugging, and automation tools.
Design and implement user-mode and kernel-mode security features.
Conduct security analysis based on Windows internals and OS behavior.
Review and improve the stability, performance, and false-positive risk of security detection logic.
Analyze new cheat and attack techniques and research defensive technologies.
Provide technical support to ensure KSS security features across various game environments.