Senior Expert Engineer, Security – Central Technology

XBOX

Senior Expert Engineer on the Game Protection team at Activision designing and building anti-cheat systems. Safeguarding gameplay integrity for the iconic Call of Duty franchise.

Posted 7/31/2026full-timeRemote • 🇺🇸 United StatesSenior💰 CA$142,140 - CA$280,512 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in C++ development, anti-cheat technologies, and large-scale system optimization. Proven ability to collaborate across teams to enhance security frameworks and deliver high-quality gaming experiences.

Highest-signal resume keywords

C++ DevelopmentAnti-Cheat TechnologiesDebugging and Performance TuningCI/CD and AutomationReverse Engineering

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++AlgorithmsData StructuresDebuggingOptimizationPerformance TuningX86_64 AssemblySoftware AnalysisRefactoringMulti-Player Game Engine

Soft Skills

Clear CommunicationEffective Team Collaboration

Tools & Technologies

DevOps ToolsCI/CD ToolsBuild Tools

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Anti-Cheat DomainGame DevelopmentSoftware Engineering

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Design and implement advanced anti-cheat technologies to stay ahead of emerging threats
Analyze, update, and enhance existing protection frameworks to maintain top-tier security
Investigate, develop, and deploy cheat detection mechanisms that keep gameplay fair and fun
Work closely with engineers across multiple teams to ensure seamless integration and performance

Requirements

What you’ll need

8+ years of professional software development experience
Deep familiarity with C++ codebases and refactoring
Proven experience working on large-scale complex systems
Experience working in an engineering organization with a focus on CI/CD, scalability, and automation
Expertise in debugging, optimization and performance tuning
Bachelor’s degree or equivalent work experience in Computer Science, or a related field
Advanced knowledge of algorithms and data structures
Strong passion for delivering high-quality products
Clear and effective communication skills, both written and verbal
Experience working on the internals of a multi-player game engine
Deep familiarity with C++ codebases and refactoring
Experience in reverse engineering software analysis
DevOps experience
Deep understanding of C++ compilation, linking, and toolchains, including diagnosing compiler and linker failures and optimizing build performance
Ability to read and write x86_64 assembly
Deep understanding or hands-on experience in the anti-cheat domain

Benefits

Comp & perks

Medical, dental, vision, health savings account or health reimbursement account, healthcare spending accounts, dependent care spending accounts, life and AD&D insurance, disability insurance
401(k) with Company match, tuition reimbursement, charitable donation matching
Paid holidays and vacation, paid sick time, floating holidays, compassion and bereavement leaves, parental leave
Mental health & wellbeing programs, fitness programs, free and discounted games, and a variety of other voluntary benefit programs like supplemental life & disability, legal service, ID protection, rental insurance, and others
Relocation assistance if required to move geographic locations for the job