DevOps Engineer (Remote)

# DevOps Engineer (Blockchain) - Lagrange Labs## About the RoleLagrange Labs is seeking a full-time DevOps Engineer with blockchain infrastructure experience to deploy, operate, and optimize infrastructure supporting zero-knowledge (ZK) proof generation at production scale.The role focuses on blockchain node management, infrastructure monitoring, DevSecOps, security, high availability, and cloud infrastructure cost optimization across AWS, GCP, and bare-metal environments.## Key Responsibilities* Deploy and operate infrastructure for production-scale ZK proof generation.* Manage blockchain node infrastructure, including Full Nodes and Archive Nodes, across multiple networks.* Monitor network latency and maintain high availability of RPC nodes.* Implement DevSecOps practices across infrastructure and deployment processes.* Protect infrastructure against DDoS and other types of attacks.* Optimize cloud and infrastructure costs while maintaining required performance.* Manage infrastructure across AWS, GCP, and bare-metal environments.* Support reliable and scalable blockchain infrastructure operations.## Required Qualifications* 4+ years of DevOps experience.* At least 1 year of experience working in blockchain.* Strong proficiency with Terraform, Ansible, and Kubernetes.* Experience with monitoring systems such as Prometheus, Grafana, and VictoriaMetrics.* Knowledge of blockchain protocols from an infrastructure perspective.* Strong understanding of infrastructure operations, monitoring, security, and scalability.## Preferred Qualifications* Experience operating blockchain nodes across multiple networks.* Experience with production-scale ZK proof infrastructure.* Experience optimizing infrastructure costs across cloud and bare-metal environments.* Experience implementing infrastructure security and DDoS protection.## Skills & Competencies* DevOps Engineering* Blockchain Infrastructure* Kubernetes* Terraform* Ansible* Prometheus* Grafana* VictoriaMetrics* ZK Infrastructure* Infrastructure Monitoring* DevSecOps* Cloud Infrastructure* Network Performance & Latency Monitoring* Infrastructure Security* Cost Optimization* High Availability## Education & Experience* **Experience:** 4+ years in DevOps.* **Blockchain Experience:** 1+ year.* No specific educational or degree requirement is provided.## Work Arrangement & Schedule* **Work Arrangement:** Remote* **Location:** United States* **Employment Type:** Full-Time* **Schedule:** Not specified.## Compensation & Benefits* **Compensation:** USD 5,000–7,000* **Employment Type:** Full-Time* Additional benefits are not specified.## Compliance / Additional Information* The role involves blockchain infrastructure, production-scale ZK proof generation, infrastructure security, and operation of blockchain nodes across multiple networks.