Principal Service Mesh Engineer

Roblox; San Mateo (CA); On-site; USD 295,000 - 345,000; Full time

Benefits offered by this job

Industry-leading compensation package

Excellent medical, dental, and vision

A rewarding 401k program

Flexible vacation policy

Roflex - Flexible work policy

Roblox Admin badge for your avatar

Free catered lunches — five times a wk

Onsite fitness center and fitness cred

CalTrain Go Pass

Job summary

Roblox in San Mateo, CA seeks a Principal Software Engineer for Service Mesh to set technical direction and lead hands-on development of mature service-to-service communication across Kubernetes, Nomad, and cloud environments.

You will collaborate with Security and application teams to enable workload identity and mutual TLS, drive migrations, and improve reliability and performance with automation and observability. Equity and benefits apply.

Qualifications

• 8+ years of software engineering experience building and operating large-scale distributed systems.
• Expertise in service mesh, proxies, application gateways, or a closely related infrastructure domain.
• Strong understanding of networking fundamentals, service discovery, traffic management, failure isolation, and secure service communication.
• Proficiency in Go, C++, or Rust with debugging across layers.
• Experience operating Kubernetes or comparable orchestration platforms in production and leading infrastructure migrations or performance improvements.
• Experience turning ambiguous problems into technical direction and coordinating execution.

Responsibilities

• Set the technical strategy and roadmap for service mesh, balancing reliability, security, performance, and operating cost.
• Design and build control-plane and data-plane capabilities for service discovery, routing, load balancing, and traffic policy using Envoy and Istio.
• Lead integration and migration across Kubernetes, Nomad, and cloud environments with safe rollout plans.
• Partner with Security and application teams to deliver workload identity and mutual TLS in production.
• Improve resource efficiency and operational reliability through performance analysis, testing, observability, and deployment automation.
• Lead technical decisions, write and review production code, and mentor senior engineers.

Skills

Service mesh

Go

C++

Rust

Kubernetes

Migration experience

Leadership

Tools

Envoy

Istio

xDS

Job description

Roblox in San Mateo, CA seeks a Principal Software Engineer for Service Mesh to set technical direction and lead hands-on development of mature service-to-service communication across Kubernetes, Nomad, and cloud environments.

You will collaborate with Security and application teams to enable workload identity and mutual TLS, drive migrations, and improve reliability and performance with automation and observability. Equity and benefits apply.