DevOps Engineer- Blockchain Infrastructure

Responsibilities

Operate and automate Cardano and Midnight validator infrastructure across multi-cloud and bare-metal environments, maintaining reliability and supporting the transition to a decentralized validator network. Respond to incidents, improve security and performance, build deployment pipelines and telemetry tools, and coordinate infrastructure operations with internal teams and BCW.

Requirements

Candidates should have at least three years of DevOps, SRE, or infrastructure engineering experience, including at least one year working with blockchain infrastructure, plus practical experience managing blockchain nodes or validators. Required capabilities include Linux, containers and Kubernetes, observability tools, scripting, cloud infrastructure, infrastructure as code, CI/CD, and infrastructure security; Cardano, GitOps, and Nix experience are bonuses.

Skills

• DevOps
• Blockchain Infrastructure
• Validator Operations
• Linux Administration
• Kubernetes
• Observability
• Grafana
• Prometheus
• Shell Scripting
• Rust
• Go
• Python
• Cloud Infrastructure
• Infrastructure As Code
• Terraform
• CI/CD

About this role

Location: Remote – candidates based in eligible locations across Asia, Europe, or LATAM, with 1–2 hours of daily overlap with US or EU time zones
Schedule: Flexible (Sunday–Thursday or Tuesday–Saturday), with participation in an on-call rota

About Midnight
Midnight is building a regulatory-friendly data protection blockchain designed to safeguard sensitive commercial and personal data while enabling developers, enterprises, institutions, and ecosystem partners to build privacy-preserving applications.
The Midnight Operations team works with internal Engineering teams and our external infrastructure partner, BCW, to run the secure, reliable, and scalable multi-cloud and bare-metal platforms that power Midnight deployments.

Role Summary
The DevOps Engineer strengthens and scales the infrastructure behind Midnight's blockchain networks, with a focus on managing and automating Midnight validator nodes. The role reports to the Director of Protocol Operations and works closely with internal engineering teams and BCW, progressively taking ownership of day-to-day infrastructure operations.
Keeps critical blockchain infrastructure available and performant, targeting 99.99% uptime
Manages and automates validator operations across multi-cloud and bare-metal environments
Helps guide the transition from a federated to a fully decentralised validator network
Build and configure dev, test and mainnet environments for blockchain and development partners
Build best in class Telemetry tooling and ETL dashboards to support remote monitoring
This is a very hands-on role with focus on ability to build solutions and work under own initiative
Core Responsibilities

Protocol Reliability & Incident Response
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

Requirements

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
Remote from an eligible location in Asia, Europe, or LATAM, with 1–2 hours of daily US or EU overlap, a flexible schedule (Sunday–Thursday or Tuesday–Saturday), and on-call participation
Bonus: Cardano stake pool, partner chain, or validator experience; GitOps and Nix; or work in a small, fast-moving technology company

About Midnight Foundation

Blockchain Services · 11-50 employees · founded 2022