Responsibilities

📍Infrastructure Management: Deploy and manage validator, sentry, and RPC nodes for various PoS blockchains, ensuring high availability and scalability in both cloud and bare-metal environments. This includes ongoing system administration, performance tuning, and security hardening. 📍Automation and IaC: Implement and maintain infrastructure as code using Terraform and configuration management tools. Develop and manage CI/CD pipelines for infrastructure automation. 📍Security: Implement and maintain robust security practices across the entire staking infrastructure, including firewall configuration, access control, and validator key management. 📍Monitoring and Alerting: Implement and maintain comprehensive monitoring and alerting to proactively identify and address performance, health, and security issues. 📍Networking: Configure and manage network infrastructure, including load balancing and firewalls. 📍Incident Response: Troubleshoot incidents, perform root cause analysis, and participate in an on-call rotation (including weekends when necessary). 📍Collaboration: Work closely with other engineering teams and maintain detailed documentation of system configurations and procedures.

Requirements

Must have: 📍3+ years of experience in systems engineering, SRE, or a related role. 📍Strong proficiency in Linux system administration. 📍Experience with containers and Kubernetes. 📍Proficiency with Terraform or similar tooling for infrastructure automation. 📍Experience with monitoring and logging tools (e.g. Prometheus, Grafana, ELK stack). 📍Experience managing fleets of machines with configuration management tools (e.g. Chef, Puppet, SaltStack, or Ansible). 📍Strong networking knowledge (TCP/IP, HTTP/2, firewalls). 📍Experience with gRPC and load balancing. 📍Solid understanding of security best practices for Linux systems and networks. 📍Python or Go experience for automation is highly desirable. 📍Understanding of staking protocols and blockchain consensus mechanisms.

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