Job Title: Senior Expert ARM Kernel Developer – RICOCHET - Central Technology Requisition ID: R028287 Job Description: Your Mission Your contributions will help millions of players experience Call of Duty as it's meant to be played: competitive, fair, and thrilling. You'll solve complex challenges involving Windows kernel development, driver security, platform architecture, and low-level system behavior while helping shape the future of anti-cheat technology on both traditional PC and Windows on Arm devices. Your work will directly influence the security, reliability, and effectiveness of the RICOCHET platform and help protect one of the world's largest gaming communities. What you bring to the table The Game Security team's priorities can change quickly based on the threat landscape. The following areas of ownership will act as a baseline. Therefore, this role includes, but is not limited to, the following responsibilities: Build and Evolve Platform Protections: Design, develop, and maintain kernel-mode driver capabilities that provide a strong foundation for anti-cheat protections across x64 and Windows on Arm platforms. Strengthen Core Driver Systems: Analyze, port, debug, and enhance production driver functionality while ensuring stability, performance, and compatibility across a wide range of hardware and Windows configurations. Investigate and Counter Advanced Threats: Research cheat techniques and evasion methods, leveraging expertise in Windows internals, reverse engineering, and kernel architecture to develop resilient detection and protection mechanisms. Collaborate Across Studios and Platforms: Partner with security engineers, platform teams, and external partners to validate hardware compatibility, improve development and testing infrastructure, and successfully ship and operate driver technology in live products. Why This Role Matters Your contributions will help millions of players experience Call of Duty as it's meant to be played: competitive, fair, and thrilling. You'll solve complex challenges involving Windows kernel development, driver security, platform architecture, and low-level system behavior while helping shape the future of anti-cheat technology on both traditional PC and Windows on Arm devices. Your work will directly influence the security, reliability, and effectiveness of the RICOCHET platform and help protect one of the world's largest gaming communities. Player Profile Minimum Requirements Experience 10+ years of professional software development experience with deep expertise in C/C++ 5+ years developing, debugging, and maintaining Windows kernel-mode drivers Proven experience building and supporting production-quality system software Windows on Arm, ARM64, or ARM64EC development experience Experience diagnosing and resolving complex driver, platform, and OS compatibility issues Experience with automated build, test, and validation environments Knowledge & Skills Deep understanding of the Windows on Arm, Windows kernel, driver model, and operating system internals Strong proficiency in C/C++ and Arm, x86/x64 assembly Expert-level debugging skills using WinDbg and related tooling Strong understanding of Windows Internals, process, memory, and executable image internals Solid understanding of algorithms and data structures Key Attributes Passion for building reliable, high-quality low-level software Curiosity to understand how systems work internally and solve complex technical problems Comfortable analyzing and debugging code at the assembly level Strong troubleshooting and root-cause analysis skills Clear and effective communication skills Extra Points Experience Windows security or security software development experience Reverse engineering experience Experience developing anti-cheat, endpoint security, anti-malware, or EDR solutions Experience working with multiplayer game technology Knowledge & Skills Understanding of advanced cheat-evasion techniques, rootkits, bootkits, including hypervisors, DKOM, EPT manipulation, and vulnerable-driver abuse Deep understanding of C++ build systems, compilation, linking, and toolchains Your Platform Activision Central Tech works to support our development studios and their titles. Comprised of seven main teams, we have many specialties including big data, privacy and security, motion capture and animation pipeline technologies, graphics, build and infrastructure for studio development and data centers, optimization, systems programming and online services including matchmaking and networking. Central Tech is distributed globally with offices across the U.S., and in Canada, England, Ireland and Japan. Most of our teams are comprised of both engineering and research talent, allowing us to always have an eye on the future. Our talented engineers help with title development and provide valuable knowledge sharing between studios while our researchers are action-oriented and keep a strong connection with the needs of the game studios. Central Tech is part of Activision. To learn more about us and our research, please visit us at https://research.activision.com/. Our World At Activision, we strive to create the most iconic brands in gaming and entertainment. We’re driven by our mission to deliver unrivaled gaming experiences for the world to enjoy, together. We are home to some of the most beloved entertainment franchises including Call of Duty®, Crash Bandicoot™, Tony Hawk’s™ Pro Skater™, and Guitar Hero®. As a leading worldwide developer, publisher and distributor of interactive entertainment and products, our “press start” is simple: delight hundreds of millions of players around the world with innovative, fun, thrilling, and engaging entertainment experiences. We’re not just looking back at our decades-long legacy; we’re forging ahead to keep advancing gameplay with some of the most popular titles and sophisticated technology in the world. We have bold ambitions to create the most inclusive company as we know our success comes from the passionate, creative, and diverse teams within our organization.  We’re in the business of delivering fun and unforgettable entertainment for our player community to enjoy. And our future opportunities have never been greater — this could be your opportunity to level up.  Ready to Activate Your Future?  We love hearing from anyone who is enthusiastic about changing the games industry. Not sure you meet all qualifications? Let us decide! Research shows that women and members of other under-represented groups tend to not apply to jobs when they think they may not meet every qualification, when, in fact, they often do! We are committed to creating a diverse and inclusive environment and strongly encourage you to apply.   We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, gender identity, age, marital status, veteran status, or disability status, among other characteristics.  We are committed to working with and providing reasonable assistance to individuals with physical and mental disabilities. If you are a disabled individual requiring an accommodation to apply for an open position, please email your request to [email protected]. General employment questions cannot be accepted or processed here. Thank you for your interest.  Rewards We provide a suite of benefits that promote physical, emotional and financial well-being for ‘Every World’ - we’ve got our employees covered! Subject to eligibility requirements, the Company offers comprehensive benefits including: 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; If the Company requires that you move geographic locations for the job, then you may also be eligible for relocation assistance. Eligibility to participate in these benefits may vary for part time and temporary full-time employees and interns with the Company. You can learn more by visiting https://www.benefitsforeveryworld.com/. In the U.S., the standard base pay range for this role is $166,990.00 - $308,980.00 Annual. These values reflect the expected base pay range of new hires across all U.S. locations. Ultimately, your specific range and offer will be based on several factors, including relevant experience, performance, and work location. Your Talent Professional can share this role’s range details for your local geography during the hiring process. In addition to a competitive base pay, employees in this role may be eligible for incentive compensation. Incentive compensation is not guaranteed. While we strive to provide competitive offers to successful candidates, new hire compensation is negotiable. Activision Blizzard, Inc. is the world’s largest interactive entertainment company, with operations across North America, Europe, and Asia. We are home to some of the most beloved entertainment franchises including Call of Duty®, Skylanders®, World of Warcraft®, Overwatch®, Diablo®, Candy Crush™, and Bubble Witch™. Our combined entertainment network delights hundreds of millions of monthly active users in 196 countries, making us the largest gaming network on the planet! We’re proud to be recognized as one of FORTUNE’s "100 Best Companies To Work For®” for five consecutive years and have earned a spot on FORTUNE’s “Most Admired Companies,” and “Future 50” lists. Our 10,000+ global employees are some of the best and brightest talents across entertainment, media, and technology. This Applicant Privacy Notice summarizes how the information you submit as a job applicant through this website will be handled and protected by Activision Blizzard and its subsidiaries ("we" or "us") For full details regarding the types of information we may collect from you, how and why we use this information, and with whom we share this information, please see our applicant Privacy Policy. Please click one of the following links to see the full Applicant Privacy Policy In your language: Chinese, Korean (Entertainment), Korean (Studio), French — Canada, French — Europe, German ,Spanish

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