DevOps Engineer - Blockchain

Company : Okx

Job Description - DevOps Engineer - Blockchain

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa

About OKX

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.

Team Profile

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

Roles & Responsibilities

Infrastructure Management & Node Operations

Build and maintain X Layer node deployment environments across multiple stages (development, testnet, mainnet)

Optimise 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

Requirements

Proficiency in one of the following languages: Go, Rust, or Java. With the ability to understand and refactor Blockchain core code

Deep expertise in Docker containerisation 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 optimisation; experience with distributed logging and tracing systems

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 analysing and resolving common failures such as node anomalies, service interruptions, configuration errors, etc.

An 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

Good 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 package

L&D programs and Education subsidy for employees' growth and development

Various team building programs and company events

Wellness and meal allowances

Comprehensive healthcare schemes for employees and dependants

More that we love to tell you along the process!

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