This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a DevOps Engineer – Blockchain Infrastructure based in Spain. Join a cutting-edge blockchain infrastructure team dedicated to building secure, reliable, and scalable systems for privacy-preserving applications. In this hands-on role, you will help operate and scale blockchain networks, manage validator infrastructure, and strengthen the reliability of critical production environments. You will work across multi-cloud and bare-metal platforms, developing automation and observability solutions that support high availability and performance. Your work will contribute to the evolution of a federated validator model toward a fully decentralised network. Collaborating with engineering teams and infrastructure partners, you will progressively take ownership of day-to-day operations while driving continuous improvements in security, resilience, and deployment efficiency. This is an opportunity to make a tangible impact in a fast-moving blockchain ecosystem while working with modern infrastructure technologies and open-source tooling. Accountabilities
- Ensure protocol reliability: Maintain critical blockchain infrastructure with a target of 99. 99% uptime, proactively identify reliability risks, and implement improvements to availability and performance.
- Manage incident response: Participate in the on-call rotation, troubleshoot production incidents, resolve operational issues, and document blameless post-mortems to prevent recurrence.
- Operate validator infrastructure: Manage, maintain, and automate blockchain validator nodes across multi-cloud and bare-metal environments, ensuring scalability, reliability, and optimal performance.

- Support network decentralisation: Contribute to the transition from a foundation-coordinated federated validator model to a fully decentralised network,



helping improve onboarding and deployment templates for Foundation Node Operators (FNOs) and future Stake Pool Operators.
- Develop infrastructure tooling: Build, maintain, and improve open-source tools that simplify blockchain infrastructure management, deployment, and automation.
- Strengthen security and performance: Identify vulnerabilities, improve security controls, investigate infrastructure bottlenecks, and implement solutions that enhance system resilience and efficiency.
- Build deployment pipelines: Design, maintain, and optimise secure CI/CD pipelines using GitHub Actions and other relevant automation tools.
- Improve monitoring and observability: Develop telemetry solutions, remote monitoring capabilities, and ETL dashboards that provide actionable insights into infrastructure health and performance.
- Own day-to-day operations: Gradually take responsibility for infrastructure management, coordinate with internal engineering teams and external infrastructure partners, and provide technical recommendations and regular operational feedback.
- Troubleshoot and optimise environments: Build and configure development, testing, and mainnet environments, resolving deployment issues and protocol-level bottlenecks ahead of network upgrades.
- Drive continuous improvement: Take initiative in identifying automation opportunities, documenting infrastructure designs, and improving operational processes across distributed teams.

Requirements:
- Professional

experience:
At least 3 years of hands-on experience in DevOps, Site Reliability Engineering (SRE), or infrastructure engineering, including at least 1 year working with blockchain infrastructure.
- Blockchain expertise: Practical experience operating blockchain nodes, validator infrastructure, or comparable distributed systems in production environments.
- Linux and containers: Strong Linux administration skills and working knowledge of containerisation technologies and Kubernetes.

📌 DevOps Engineer- Blockchain Infrastructure (España)
🏢 Jobgether
📍 España