Senior Anti-Cheat Engineer

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Senior Anti-Cheat Engineer in USA

Riot Games
Full time
Email

USA
09/11/2026
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Los Angeles, CA

Responsibilities

Drive anti-cheat features from ambiguous concepts through production across user-mode, kernel-mode, and obfuscation tooling surfaces.
Develop scalable detections, mitigations, countermeasures, and preventative controls against emerging cheating threats.
Reverse engineer evasive cheats and operating-system manipulation techniques, including packed and obfuscated binaries.
Investigate and resolve complex compatibility issues in opaque environments.
Support game teams in understanding cheating ecosystems and integrating Anti-Cheat capabilities.

Requirements

Proficiency in C/C++ and x86/x64 assembly.
Experience building and debugging low-level, security-sensitive systems.
Strong understanding of Windows process and thread lifecycles, virtual memory, handles and objects, security contexts, executable image formats, DLL loading, and the Windows loader.
Hands-on reverse engineering experience with packed, protected, or obfuscated binaries and runtime concealment or manipulation techniques.
Practical experience developing, debugging, and maintaining production-grade Windows kernel-mode drivers.
Preferred: experience in cheat-development or game-security research communities and knowledge of modern cheat techniques and anti-cheat evasions.
Preferred: familiarity with hypervisors, DKOM, EPT manipulation, vulnerable drivers, hardware-assisted cheats, runtime integrity verification, behavioral detection, and client attestation.

Benefits

Open paid time off and flexible work schedules.
Medical, dental, and life insurance.
Parental leave for the employee, spouse or domestic partner, and children.
401(k) with company match.

Riot Games

Since 2006, Riot Games has stayed committed to changing the way video games are developed, published, and supported for players. From our first title, League of Legends, to 2020’s VALORANT; we have strived to evolve the community with growth in Esports, and expansion from games into entertainment...

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