Senior Reverse Engineer

Electronic Arts (EA); Madrid; On-site; EUR 70,000 - 90,000; Full time

Job summary

Electronic Arts in Madrid seeks a Senior Reverse Engineer to perform anti-cheat assessments across PC, mobile, and consoles. You will review thick clients and network-based cheating, report findings, and develop automated tools within the SPEAR team.

You will collaborate with EA game teams to reduce cheat classes, and contribute to pre-release assessments with architecture-driven scoping and test cases.

Qualifications

• Knowledge of ARM architecture.
• OS internals for Windows, Android & Linux.
• OS fundamentals (processes, threads, virtual memory).
• Read x86/x64 assembly language.
• Experience with debuggers such as WinDbg, x64dbg, OllyDbg, or gdb.
• Experience with disassemblers such as Ghidra, IDA Pro, Binary Ninja, or radare2.
• Understand three or more of C++, C#, Java, or .NET CIL.
• Knowledge of cryptography and obfuscation techniques.
• Drive change across the SPEAR organisation.

Responsibilities

• Reverse Engineer obfuscated user-mode and kernal-mode cheats for PC, mobile and consoles.
• Document and report on the functionality of the cheats you've analysed.
• Solve well-defined technical problems in the cheating space.
• Use architecture and design documentation to create anti-cheat assessment scoping documents.
• Perform anti-cheat assessments of pre-release products.
• Consult with us and advise EA game teams on how to reduce classes of cheats.
• Develop tools, scripts, and extensions for automation and reverse engineering, both in user space and kernel space.
• Identify cheat variants that defeat previous mitigations.

Skills

ARM architecture

OS internals (Windows/Android/Linux)

OS fundamentals

x86/x64 assembly

Debuggers (WinDbg/x64dbg/OllyDbg/gdb)

Disassemblers (Ghidra/IDA Pro/BinaryN.

Disassemblers (Binary Ninja/radare2)

Three+ languages: C++, C#, Java, or .N

Cryptography & obfuscation techniques

Drive change in SPEAR organization

Education

Bachelor's Degree in Computer Science or Information Security

Tools

WinDbg

x64dbg

OllyDbg

gdb

Ghidra

IDA Pro

Binary Ninja

radare2

Job description

Description & Requirements

Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen.

Senior Reverse Engineer

You will perform anti-cheat assessments. These assessments will cover everything from client-side tampering (external/internal) to network-based cheating. You will also include source code review of thick clients. The goal is to gauge against cheat/hack tools.

The EA Security team protects us by reducing our exposure to security risks. We raise risk awareness for the entire company and provide measured, proportionate security and risk management controls, services and solutions.

The Senior Reverse Engineer I is a member of EA Security's Secure Platform Engineering & Anti-Cheat Response (SPEAR) team and will report to the manager of the Gameplay Integrity Operations sub-team.

You will perform anti-cheat assessments. These assessments will cover everything from client-side tampering (external/internal) to network-based cheating. You will also include source code review of thick clients. The goal is to gauge against cheat/hack tools.

Responsibilities

• Reverse Engineer obfuscated user-mode and kernal-mode cheats developed for PC, mobile and consoles
• Document and report on the functionality of the cheats you've analysed
• Solve well-defined technical problems in the cheating space
• Use architecture and design documentation to create anti-cheat assessment scoping documents and define cheating test‑cases for upcoming anti‑cheat assessments
• Perform anti‑cheat assessments of pre‑release products
• Consult with us and advise EA game teams on how to reduce classes of cheats
• Develop tools, scripts, and extensions for automation and reverse engineering, both in user space and kernel space
• Identify cheat variants that defeat previous mitigations, and suggest solutions

Qualifications

• Knowledge of the ARM architecture
• Knowledge of operating system internals for Windows, Android & Linux
• Knowledge of operating system fundamentals (processes, threads, virtual memory)
• Read x86/x64 assembly language
• Experience with debuggers such as WinDbg, x64dbg, OllyDbg, or gdb
• Experience with disassemblers such as Ghidra, IDA Pro, Binary Ninja, or radare2
• Understand three or more of C++, C#, Java, or .NET CIL
• Knowledge of cryptography and obfuscation techniques
• Drive chanhge throughout all of the Secure Platform Engineering & Anti-Cheat Response (SPEAR) organisation

Additional Qualifications

• Bachelor's Degree in Computer Science or Information Security
• Information Security certifications such as CEH, CISSP, GSEC, OSCP, OSCE, and Security+
• Experience building tools that automate cheat-related tasks
• Hands‑on experience with reverse engineering or anti‑cheat/anti‑malware development

About Electronic Arts

We’re proud to have an extensive portfolio of games and experiences, locations around the world, and opportunities across EA. We value adaptability, resilience, creativity, and curiosity. From leadership that brings out your potential, to creating space for learning and experimenting, we empower you to do great work and pursue opportunities for growth.

We adopt a holistic approach to our benefits programs, emphasizing physical, emotional, financial, career, and community wellness to support a balanced life. Our packages are tailored to meet local needs and may include healthcare coverage, mental well‑being support, retirement savings, paid time off, family leaves, complimentary games, and more. We nurture environments where our teams can always bring their best to what they do.

Electronic Arts is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. We will also consider employment qualified applicants with criminal records in accordance with applicable law. EA also makes workplace accommodations for qualified individuals with disabilities as required by applicable law.