Senior Site Reliability Engineer - Cell Infra | Roblox

As a Senior Site Reliability Engineer on the Infrastructure Compute team, you will own and manage the successful operation of Roblox's underlying cell infrastructure system, service discovery mechanisms, secrets management pipelines, and associated software layers. In this role, you will build out Roblox's private cloud infrastructure, productionize growing Kubernetes-based orchestration clusters, and institute reliability best practices across the Compute organization. You will build durable systems, automation frameworks, load testing guardrails, and generalized canary/observability services that power the global Roblox ecosystem.

Key Responsibilities

Compute Platform Reliability & Infrastructure Automation

• Resilient System Design: Design and develop distributed software systems and libraries that promote fault tolerance, resilience, cluster lifecycle automation, and deep system observability.
• Reliability Leadership: Promote and institute reliability best practices across the Infrastructure Compute group, driving common reliability initiatives, architectural reviews, and operational readiness assessments.
• Platform Tooling & "Golden Paths": Build, automate, and standardize process automation to establish a "golden path" of internal tooling and platform support for Roblox engineers.
• Production Guardrails & Capacity Testing: Create automated tooling to evaluate release candidate capacity and performance using load testing frameworks prior to production deployment.
• Observability & Performance Services: Build performance monitoring services, automated canary deployment systems, and alerting pipelines to identify capacity bottlenecks and mitigate platform degradations.

Requirements

Technical Depth & SRE Foundations

• Education & Experience: Bachelor's degree (or equivalent practical experience) in Computer Science or a related engineering field with 6+ years of hands-on experience as an SRE or Software Engineer.
• Orchestration Expertise: 7+ years of professional experience with Kubernetes or similar container orchestration systems.
• Programming Proficiency: Fluency in high-level programming languages such as Go, Java, or C#.
• Software Engineering Discipline: Proven track record of architecting, building, and driving company-wide adoption of reliable internal software tools and platform services.
• Project Planning & Data Rigor: Demonstrated experience breaking down complex infrastructure projects into milestones, working in sprints, and using data to validate theories and solve scale issues.

Preferred Qualifications

• Hands-on experience with HashiCorp stack technologies (Nomad, Vault, Consul).
• Direct experience running bare-metal or private cloud infrastructure at multi-region hyper-scale.
• Familiarity with Chaos Engineering practices and automated fault-injection testing in production Kubernetes environments.

Total Rewards & Benefits

• Compensation & Equity: San Mateo base salary range ($243,290 – $295,250 USD) + competitive Roblox equity compensation package.
• Healthcare & Wellbeing: Comprehensive health, dental, and vision insurance packages for employees and eligible dependents.
• Onsite Perks & Campus: Modern San Mateo headquarters featuring daily catered meals, team events, and state-of-the-art technical setups.
• Time Off & Retirement: Generous vacation policies, paid company holidays, paid parental leave, and 401(k) matching programs.