Roblox is building a specialized high-performance compute cluster for Machine Learning inference and training. The Application Networking team needs to scale, harden, and operationalize the infrastructure that powers the next generation of AI on Roblox, ensuring critical production workloads are supported.
Requirements
- Strong focus on running Kubernetes in production environments.
- Deeply knowledgeable of the Kubernetes networking model (CNI, Services, Ingress, Kube-proxy) and have managed clusters with significant traffic.
- Familiar with Cilium and eBPF and comfortable working with Linux networking fundamentals (TCP/IP, routing tables, iptables/nftables).
- Excellent at taking a high-level architecture strategy and turning it into working, tested, and deployable code.
- Fluent in C/C++, Go, or Rust.
- Experienced with on-call rotations and approach infrastructure with a "reliability-first" mindset.
Responsibilities
- Take ownership of critical networking components, transitioning them from proof-of-concept to production-ready systems capable of handling massive ML throughput
- Build the observability, alerting, and tooling required to maintain 99.99% reliability for our ML clusters.
- Deep dive into Cilium and eBPF to squeeze maximum performance out of the network, reducing latency for training jobs.
- Collaborate with our technical leads to implement complex networking features, ensuring high code quality and robust design.
- Serve as a primary escalation point for complex network issues in the Kubernetes layer, troubleshooting across the stack (kernel, CNI, service mesh).
- Act as a senior voice on the team, mentoring junior engineers and promoting best practices in testing, deployment, and reliability engineering.
Other
- A professional with 5+ years of experience
- Roles that are based at our headquarters in San Mateo, CA
- 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.
