As a Senior Systems Engineer on the Infrastructure Reliability team, you will manage the production infrastructure that supports all our games. You will collaborate closely with cross-functional teams to design, build, and maintain cloud infrastructure that underpins the foundational services we deliver. This role involves working on new infrastructure as well as iterating on existing services to deliver the best possible experience for our players.

We’re looking for hands-on experts who can join an on-call rotation to troubleshoot complex issues while continuously learning and identifying opportunities to improve our services, yourself and your peers. Your ability to write clean, efficient, and reusable code will be critical in automating processes, scaling systems, and driving continuous improvement.

Responsibilities: 

• Solve complex challenges, diagnosing and resolving production issues across large scale globally distributed systems.
• Advance our monitoring and observability platforms, driving innovation that keep our infrastructure visible, actionable, and resilient.
• Troubleshoot incidents and design resilient solutions to maintain uptime and meet SLAs, continually evolving our infrastructure to improve reliability and adaptability.
• Expand and optimize our cloud footprint, enhancing the scalability, reliability, and efficiency of our cloud environment.
• Collaborate and Elevate your team by sharing knowledge, mentoring peers, and fostering a culture of continuous learning and growth.

Required Qualifications:

• 5+ years of experience in infrastructure delivery, SRE or Operations for large-scale systems.
• Expertise in AWS ecosystem: including infrastructure services (e.g., EC2, VPC, S3, IAM), container orchestration with Kubernetes (EKS) or ECS, with automation and monitoring  (e.g., CloudWatch, Lambdas).
• Infrastructure as Code (IaC): Hands-on experience with Terraform or similar for infrastructure provisioning and configuration management. Knowledge of Pulumi for cloud infrastructure in code is a plus.
• Troubleshooting and Incident Response: Skilled at troubleshooting live incidents, with a proactive approach to minimizing downtime and service impact. Familiarity with Root Cause Analysis (RCA) processes to identify, document, and drive long-term solutions to recurring issues.
• CI/CD Expertise: Proven experience working with CI/CD pipelines including tools like Jenkins and GitHub actions, emphasizing deployment reliability and automation.
• Automation and Scripting: Proficiency in scripting and programming languages like Python and Golang to drive automation, manage deployments, and create tooling.
• Containerization: Expertise in container management and orchestration with Docker and Kubernetes, and experience designing robust microservices infrastructure. Strong understanding of configuration formats such as JSON and YAML and their application in IaC, Kubernetes manifests, and other deployment files.
• Adaptability: Ability to quickly adopt and adapt to new technologies, frameworks, and cloud-native tools to solve complex problems.

Desired Qualifications: 

• Proven experience leading and mentoring a team of engineers, fostering collaboration and technical growth.
• Solid foundation in network engineering principles and protocols, with hands-on experience in designing and troubleshooting networked systems – a significant advantage.

For this role, you’ll find success through craft expertise, a collaborative spirit, and decision-making that prioritizes your fellow Rioters, who are the customers of your work. Being a dedicated fan of games is not necessary for this position!

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.

Riot Games fosters a player and workplace experience that values teamwork embodied by the Summoner’s Code and Community Code. Our culture embraces differences as a strength, and our values are the guiding principles for how we approach work. We are committed to putting diversity and inclusion (D&I) at the center of everything we do, and promoting a fair and collaborative culture where Rioters treat one another with dignity and respect. We encourage you to read more about our value of thriving together and our ongoing work to build the most inclusive company in Gaming.

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.