Blockchain DevOps Engineer at OKX - Hong Kong, Hong Kong SAR

Job Description

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the Opportunity

We are seeking a skilled X Layer DevOps Engineer to join our blockchain infrastructure team. You will be responsible for building and maintaining X Layer node deployment infrastructure, optimizing operational processes, and ensuring high availability and automation of our blockchain network. This position combines blockchain expertise with modern DevOps practices to support our growing ecosystem and community.

What You’ll Be Doing:

Infrastructure Management & Node Operations

Build and maintain X Layer node deployment environments across multiple stages (development, testnet, mainnet)
Optimize deployment processes to enhance system stability and automation levels
Implement infrastructure as code practices to ensure deployment consistency and reproducibility
Manage node configurations, upgrades, and maintenance procedures
Ability to quickly identify and resolve issues during deployment and operations, including node anomalies, resource bottlenecks, network problems, etc.

CI/CD Pipeline Design & Implementation

Design and implement comprehensive CI/CD workflows for blockchain code and related tools
Support continuous integration and deployment of smart contracts, node software, and infrastructure components
Automate testing, building, and deployment processes to reduce manual intervention
Integrate security scanning and quality checks into deployment pipelines

Test Network Setup & Management

Build and manage test networks (testnet/devnet) for development and validation purposes
Assist development teams with version testing and release processes
Maintain isolated environments for functional testing and integration validation
Implement network reset and upgrade procedures for testing environments

Monitoring & Alerting System Construction

Build comprehensive on-chain monitoring and alerting systems
Ensure network and service operational safety and stability through proactive monitoring
Implement real-time dashboards to monitor network health, performance metrics, and system status
Design and configure alerting mechanisms for critical system events and anomalies

Qualifications and Skills:

Proficiency in at least one of Go, Rust, or Java, with the ability to read and modify blockchain core code
Deep expertise in Docker containerization and container management technologies, with thorough understanding of Kubernetes architecture, administration, and troubleshooting
Proficiency in Grafana dashboard design, configuration, and management; advanced Prometheus setup including metric collection, alerting rules, and query optimization; experience with distributed logging and tracing systems
Solid understanding of blockchain fundamentals: consensus mechanisms, P2P networks, cryptography; experience with blockchain node operations, configuration, and maintenance; knowledge of Ethereum, Layer 2 solutions, or similar blockchain platforms; understanding of smart contract deployment and management
Experience with CI/CD tools (Jenkins, GitLab CI/CD, GitHub Actions); Linux system administration and scripting capabilities
Ability to quickly identify deployment and operational issues, capable of independently analyzing and resolving common failures such as node anomalies, service interruptions, configuration errors, etc.

Nice to have:

Experience in DevOps-related maintenance of open-source projects (such as participating in blockchain project GitHub CI/CD configuration, mainnet operation and maintenance, etc.)
Experience in technical operations support for large-scale online events (such as hackathons, on-chain competitions) is preferred
Ability to quickly identify blockchain node/network anomalies and assist in troubleshooting issues
Experience with Cosmos, Superchain, Layer 2 blockchain solutions (Polygon, Arbitrum, Optimism, etc.)

Perks & Benefits:

Competitive total compensation
Comprehensive insurance coverage for employees and their dependants
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