Join to apply for the Senior Infra Engineer / Node Ops role at Blocksize

You will be responsible for maintaining full nodes for various blockchains and finding ways to deploy and manage them more efficiently.
You understand blockchain-specific monitoring in great depth and you will be helping the team cut down on noise by fine-tuning alerts.
You will troubleshoot production issues to address technical commitments and boost sustainability, as well as pair with other engineers to troubleshoot, deploy new services, and figure out how to increase developer velocity and eliminate pain points.

Your profile

Senior-level expertise with 5+ years of relevant professional experience in operations and infrastructure — but still hands‑on and close to the systems.
Strong expertise with Linux command line, shell scripting (especially Bash), and automation of operational workflows.
Solid background in IT security and operational security (OpSec); you understand secure infrastructure design and safe key/credential handling.
Deep experience with monitoring, log analysis, and alerting tools; you know how to reduce noise and design meaningful dashboards.
Experience with scripting and configuration management; you write scripts to automate routine tasks and optimize workflows.
Practical knowledge in some of the following technologies: Terraform, Ansible, Helm Charts, Gitlab (CI/CD optional), and scripting languages such as Python.
Proficiency in infrastructure automation, containerization, bare‑metal server management, and cloud computing (with a strong focus on GCP).
Proficiency in blockchain technologies and applications, including: Chainlink and/or Pyth, Ethereum, Solana, Avalanche, Lido, SupraOracles.
Experience actively leveraging AI‑driven automation, including agents and the Model Context Protocol (MCP) to reduce manual operational overhead and extend system capabilities.

Preferred Knowledge

Experience running blockchain full nodes gives you a considerable advantage; excitement for blockchain, Web 3.0, and decentralized finance.
Setup and management of Kubernetes clusters and comfort in deploying new services on them.
Know‑how in exporting metrics via Prometheus and building Grafana dashboards.
Strong desire to grow and challenge yourself.
Excellent experience with GCP (preferred), AWS, or Microsoft Azure.
Agility, self‑organization, and openness to learning.
Experience in the financial services and/or capital market domain.
Result orientation, conceptual and analytical thinking.
Collaborative by nature; willing to give and receive feedback.
You enjoy your work, and that shows in your results.
Very good English skills.
Ideally located in Central Europe (CET timezone) or within ±2 hours.

Why us?

Become part of a young and agile team. Grow with Blocksize!
Work up to 100% remotely or enjoy the office in Frankfurt's financial district.
Temporary work from abroad, allowing you to work up to 6 months a year from anywhere in the world.
Continuous and qualitatively unique further training is supported for you.
Excellent infrastructure and benefits (Apple equipment, Coursera, gym classes, etc.).
Employee Stock Ownership program.

BLOCKSIZE is the leading provider for accurate crypto market data distributed through own oracle blockchain node infrastructure. We empower Decentralized Applications as well as traditional financial institutions to trade, issue, store and manage digital assets through our high quality market data and resilient blockchain node infrastructure. We are on a mission to become the largest Decentralized Oracle Node Operator and Validator Node Operator in the Web3 space to empower the next generation of financial applications.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Software Development

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Blocksize

Jobs:

Senior Infra Engineer / Node Ops

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