Blockchain Site Reliability Engineer

About Company InfStones is a leading blockchain infrastructure provider serving developers, exchanges, and enterprises worldwide. We operate thousands of nodes across 80+ blockchains, delivering enterprise-grade staking, API, and node services at scale.

Job Description As a Blockchain Site Reliability Engineer (SRE), you will be responsible for ensuring the reliability, availability, and performance of blockchain nodes and related infrastructure. You’ll monitor, troubleshoot, and resolve incidents in production environments, while also building automation tools to improve efficiency and reduce operational risks. This role requires strong Linux system expertise, solid on-call and incident response experience, and the ability to work under pressure to quickly restore services. You’ll also collaborate with protocol engineers and open-source communities to ensure smooth upgrades and long-term system stability.

Key Responsibilities 1. Deploy, monitor, and maintain blockchain nodes across multiple networks. 2. Ensure system reliability and uptime by actively managing incidents, troubleshooting, and resolving node failures. 3. Develop automation and maintenance tools (using Golang, Shell, Python, etc.) to streamline operations. 4. Build and maintain monitoring, alerting, and logging systems to proactively detect and address issues. 5. Collaborate with engineering teams and solution architects on reliability improvements and incident prevention. 6. Participate in the on-call rotation to provide timely incident response and resolution.

Qualifications 1. Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience). 2. Strong Linux system administration skills (networking, performance tuning, debugging, security). 3. Expertise with at least one mainstream programming language such as Golang, Python, Javascript, Rust, etc., and have good programming skills and programming habits. 4. Experience with monitoring/alerting tools (e.g., Prometheus, Grafana, ELK, etc.). 5. Strong problem-solving skills and the ability to respond quickly under pressure. 6. Solid technical documentation skills.

Nice to Have 1. Hands-on experience with blockchain node deployment, maintenance, and upgrades. 2. Familiarity with mainstream blockchain protocols (e.g., Ethereum, Cosmos, Polkadot, Solana). 3. Experience with containerization/orchestration tools (Docker, Kubernetes). 4. Knowledge of smart contracts, Web3 RPC, or Solidity is a plus.