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Blockchain Node Operator & Site Reliability Engineer Web3 Job Opening In Frankfurt – Now Hiring Blocksize Capital GmbH


Job description

Your mission

  • 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, gym classes, etc.).
  • Employee Stock Ownership program.

About us

Blocksize is a Germany-based DeFi infrastructure provider trusted by financial institutions.

Since 2018, we’ve been strengthening DeFi at every layer — operating our own validators, delivering best-in-class crypto data, and enabling anyone to participate in network security through delegated staking.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Blockchain Node Potential: Insight & Career Growth Guide


Real-time Blockchain Node Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Blockchain Node in Frankfurt, Germany, highlighting market share and opportunities for professionals in Blockchain Node roles.

76 Jobs in Germany
76
27 Jobs in Frankfurt
27
Download Blockchain Node Jobs Trends in Frankfurt and Germany

Are You Looking for Blockchain Node Operator & Site Reliability Engineer Web3 Job?

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Blocksize Capital GmbH adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Germany laws and regulations

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Blocksize Capital GmbH interview tips for Blockchain Node Operator & Site Reliability Engineer Web3

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Before the Interview:

Research: Learn about the Blocksize Capital GmbH's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

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Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

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Follow Up: Send a thank-you email to the interviewer within 24 hours.

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Final Thought:

To prepare for your Blockchain Node Operator & Site Reliability Engineer Web3 interview at Blocksize Capital GmbH, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Blocksize Capital GmbH's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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