Senior Security Engineer, Player Security

Location: Los Angeles, USA As a Security Engineer on the Player Security team, you will help protect player accounts and Riot’s broader service ecosystem from attacks and abuse. You will build analytical capabilities, develop data-driven detection methods, and investigate how threat actors operate across our systems. Working closely with engineering, data, and security teams, you will help improve existing services and create new solutions that provide millions of players with a safe and secure gaming experience. This role is well suited to someone with experience in security engineering, data analysis, and building scalable data or event-driven pipelines. Responsibilities: Analyze large datasets to understand attacker behavior and identify opportunities to strengthen our defenses. Design and build tools and detection systems that identify malicious activity across Riot’s ecosystem. Develop scalable, reliable data-driven and event-driven security services. Collaborate with engineering, data, security, and other cross-functional teams. Contribute to technical design, architecture, and implementation decisions. Improve existing security capabilities and help develop new approaches to protecting players. Ideate, refine, and complete threat hunts to inform security controls. Required Qualifications: 3–5 years of experience in security analysis, data engineering, and anything in between. Experience analyzing large datasets and working with data platforms such as Databricks. Strong cross-functional communication and collaboration skills. Experience working in an agile software-development environment. Desired Qualifications: Familiarity with online multiplayer games and their associated account, platform, or abuse ecosystems. Experience building data-driven or event-driven pipelines using one or more languages such as Go, Python, Java, or TypeScript. Experience developing security detections or investigating attacker behavior. Understanding of account security, fraud, abuse prevention, or threat detection. For this role, you'll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes the delight of players. We will be looking at your past studies, experience, and your personal relationship with games. If you embody player empathy and care about players' experiences, this could be your role! Our Perks: Riot focuses on work/life balance, shown by our open paid time off policy and other perks such as flexible work schedules. We offer medical, dental, and life insurance, parental leave for you, your spouse/domestic partner, and children, and a 401k with company match. Check out our benefits pages for more information. At Riot Games, we put players first . That mission drives every decision in our quest to create games and experiences that make it better to be a player. Whether you’re working directly on a new player-facing experience or you’re supporting the company as a whole, everyone at Riot is part of our mission. And just like in our games, we’re better when we work together. Our goal is to create collaborative teams where you are empowered to bring your unique perspective everyday. If that sounds like the kind of place you want to work, we’re looking forward to your application. It’s our policy to provide equal employment opportunity for all applicants and members of Riot Games, Inc. Riot Games makes reasonable accommodations for handicapped and disabled Rioters and does not unlawfully discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, handicap, veteran status, marital status, criminal history, or any other category protected by applicable federal and state law. We consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with applicable federal, state and local law, including the California Fair Chance Act, the City of Los Angeles Fair Chance Initiative for Hiring Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, the San Francisco Fair Chance Ordinance, and the Washington Fair Chance Act. Per the Los Angeles County Fair Chance Ordinance, the following core duties may create a basis for disqualifying candidates with relevant criminal histories: Safeguarding confidential and sensitive Company data Communication with others, including Rioters and third parties such as vendors, and/or players, including minors Accessing Company assets, secure digital systems, and networks Ensuring a safe interactive environment for players and other Rioters These duties are directly related to essential operations, safety, trust, and compliance obligations within our organization. Please note that job duties may evolve based on business needs and additional responsibilities may be assigned as necessary to maintain operational efficiency and security.