Senior Security Software Engineer

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.

We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

• Design Identity and Access for AI Agents: You will define how AI agents get credentials, receive scoped permissions, and have their sessions managed throughout their lifecycle — pioneering the patterns for agentic identity in production.
• Engineer Hybrid Production IAM at Scale: You will design and implement scalable IAM solutions for Roblox's hybrid production environment, spanning on-premises and cloud infrastructure, ensuring secure and efficient access for humans, workloads, and AI agents across the entire ecosystem.
• Develop and Manage Workload Authentication & Authorization: You will build robust authentication and authorization mechanisms for workloads and services accessing production environments, enforcing least privilege and secure access controls.
• Establish the Secure Golden Path for Development: You will develop and maintain a streamlined, secure "golden path" framework that empowers developers to build tools and services with appropriate IAM controls baked in by default.
• Have the independence, opportunity, and end-to-end responsibility to develop security services within the Roblox infrastructure ecosystem.

• 4+ years of relevant professional experience building scalable, distributed backend applications.
• Proficiency in at least one programming language such as Python, Java, Go, C++, or C# .NET.
• AI fluency: You actively use AI tools in your daily workflow, understand LLM capabilities and limitations, and can reason about what it means to give an AI agent an identity and permissions.
• Knowledge of REST APIs, design patterns, and scalable containerized systems and microservices.
• Experience mentoring or leading the technical work of other engineers.
• Familiarity with policy and identity frameworks like OPA, Topaz, SPIFFE/SPIRE, or similar technologies used for policy enforcement, workload attestation, and identity federation in cloud-native environments
• Experience with Public Key Infrastructure (PKI) — design, implementation, or maintenance of PKI solutions
• Experience with Privileged Access Management (PAM) — implementing or maintaining PAM solutions to control, monitor, and audit privileged access within production environments
• Familiarity with access control models such as Role-Based (RBAC), Attribute-Based (ABAC), or Risk-Based Access Control

• Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).
• Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.
• Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.
• For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.