DevOps Engineer, Blockchain Infrastructure

About the role

In this role, you will be responsible for ensuring the uptime and reliability of critical blockchain infrastructure, specifically managing Cardano and Midnight validator nodes. You will also troubleshoot deployment issues and contribute to the transition towards a fully decentralized network.

You will collaborate closely with internal teams, driving automation and improvements while maintaining security and performance. Your work will include building secure deployment pipelines and optimizing infrastructure, all within a flexible remote work environment.

Skills that matter here

• DevOps: This role requires strong DevOps skills to manage and automate blockchain infrastructure.
• Kubernetes: You will utilize Kubernetes for container orchestration in managing validator nodes.
• Rust: Knowledge of Rust is beneficial for scripting and tool development.
• AWS: Experience with AWS is important for configuring and optimizing cloud infrastructure.
• Terraform: You will use Terraform for infrastructure as code to manage resources.
• CI/CD: Familiarity with CI/CD tools like GitHub Actions will be essential for building deployment pipelines.

Who this role suits

• Candidates should have a background in DevOps or SRE with a focus on blockchain infrastructure.
• You thrive in a collaborative environment and can communicate technical concepts clearly.
• A proactive approach to problem-solving and a desire to drive automation and improvements are essential.
• Experience in a fast-paced technology company is a plus.

From the employer

Core Responsibilities

• Ensure 99.99% uptime of critical blockchain infrastructure and implement reliability improvements
• Participate in the on-call rota, mitigating and resolving production incidents and writing blameless post-mortems
• Troubleshoot testing and deployment issues, resolving protocol-level bottlenecks ahead of mainnet upgrades

Validator Operations & Decentralisation

• Manage, maintain, and automate Cardano and Midnight validator nodes for performance, reliability, and scale
• Develop and maintain open-source tools for Cardano and Midnight infrastructure across multi-cloud and bare-metal
• Support the transition from a foundation-coordinated federated validator model to a fully decentralised network
• Optimization of the roll out templates for FNO’s and future Stake Pool Operators
• Review and recommend feedback and monthly reports on FNO and internal teams

Security, Performance & Delivery

• Strengthen security posture by identifying vulnerabilities and improving security controls
• Identify bottlenecks and implement solutions to optimise infrastructure and validator performance
• Build and maintain secure deployment pipelines using GitHub Actions and other CI/CD tools

Infrastructure Ownership & Collaboration

• Progressively own day-to-day infrastructure management, coordinating closely with BCW and internal teams
• Share technical feedback and recommendations, and proactively drive automation and improvements

Recommended Experience & Qualifications

• 3+ years of hands-on DevOps, SRE, or infrastructure engineering, including at least 1 year with blockchain infrastructure
• Practical experience managing blockchain nodes or validator infrastructure
• Strong Linux administration skills and working knowledge of containers and Kubernetes
• Proficiency with Grafana, Prometheus, or similar observability tools
• Strong shell scripting, with knowledge of Rust, Go, or Python
• Experience configuring, scaling, and optimising cloud infrastructure, ideally on AWS and Google Cloud
• Experience of using infrastructure as code (IAC) using TerraForm and/or OpenTofu
• Experience with CI/CD tools such as GitHub Actions or Jenkins
• Strong grasp of infrastructure security principles and practical improvements
• Clear communication and documentation, including infrastructure designs and recommendations for internal and external teams

Work Schedule

• Remote from an eligible location in Asia, Europe, or LATAM, with 1–2 hours of daily US or EU overlap
• Flexible schedule (Sunday–Thursday or Tuesday–Saturday)
• On-call participation

Bonus

• Cardano stake pool, partner chain, or validator experience; GitOps and Nix; or work in a small, fast-moving technology company