Note: The job is a remote job and is open to candidates in USA. Circle is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. As a Staff Site Reliability Engineer on Circle’s Platform team, you’ll design, build, and operate the infrastructure that powers our blockchain platform at scale.
Responsibilities
- Operate and scale production blockchain infrastructure, managing full nodes across networks such as Arc, Ethereum, Solana, Base, and other supported protocols
- Design, build, and maintain highly available, secure Kubernetes platforms with a focus on automation, resilience, and self-healing workloads
- Build and improve CI/CD pipelines, deployment workflows, and Infrastructure as Code using Terraform, Pulumi, and cloud-native tooling
- Develop AI-powered infrastructure automation, including Kubernetes lifecycle management, IaC analysis, blockchain cost optimization, and MCP server integrations to improve engineering productivity
- Monitor, troubleshoot, and optimize distributed systems, participating in a follow-the-sun on-call rotation, incident response, and post-incident reviews to improve platform reliability
- Partner closely with protocol, product, and security teams to deliver reliable infrastructure that supports network launches, upgrades, and evolving business requirements
- Drive technical excellence by mentoring engineers, sharing SRE best practices, and contributing to architecture and reliability improvements across the platform
Skills
- 4+ years of experience in Site Reliability Engineering, DevOps, or Infrastructure Engineering, ideally supporting cloud-native platforms
- Experience operating and troubleshooting blockchain nodes and other distributed systems in production environments
- Strong experience with Kubernetes, including Helm, RBAC, operators, controllers, and observability tooling
- Hands-on experience building CI/CD pipelines, containerized workloads, and modern deployment strategies such as blue-green and canary releases
- Proficiency with Infrastructure as Code using Terraform or Pulumi and cloud networking fundamentals, including VPCs, DNS, load balancers, and secure connectivity
- Proficiency in Go or Python to build platform automation, infrastructure tooling, and operational workflows
- Experience managing SQL databases and stateful production services with a strong understanding of reliability and performance
- Demonstrated ability to lead cross-functional technical initiatives, make sound decisions in ambiguous situations, and communicate effectively across engineering teams
- 6+ years of experience in SRE, DevOps, or Infrastructure Engineering, ideally within a cloud-native or blockchain environment
- Proven track record of technical leadership in complex, distributed systems architecture and design
- Deep expertise in blockchain protocols and their infrastructure demands
- Deep expertise in Kubernetes internals and tuning for large-scale workloads
- Deep expertise in agentic automation strategies and applying AI tooling in real-world engineering workflows
- Deep expertise in observability and chaos engineering techniques to stress-test reliability
- Experience mentoring engineers and scaling SRE best practices across teams
- Strong engineering judgment with a passion for code quality, automated testing, and operational excellence
- Passion for crypto and blockchain infrastructure, with experience building AI-enabled infrastructure tooling or agentic workflows; familiarity with MCP servers and responsible use of generative AI to improve engineering productivity is a plus
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