Blockchain Node Engineer

Work set-up: 
Full Remote
Contract: 
Experience: 
Mid-level (2-5 years)
Work from: 

Offer summary

Qualifications:

Experience in infrastructure monitoring, DevOps, or blockchain reliability engineering., Hands-on experience with setting up and maintaining blockchain nodes., Understanding of consensus and execution layer health metrics., Proficiency with modern observability tools like Prometheus and Grafana..

Key responsibilities:

  • Monitor and optimize blockchain node health and performance.
  • Deploy and maintain alerting and observability systems.
  • Troubleshoot node issues such as crashes and syncing delays.
  • Collaborate with the Node Operations team on incident management.

One Arrow Consulting Vietnam logo
One Arrow Consulting Vietnam https://onearw.com.vn/
11 - 50 Employees
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Job description

This is a remote position.

Our client is an innovative, well-funded startup leading the future of decentralized data and blockchain infrastructure. With a globally distributed team spanning over 35 countries, they are solving critical challenges in blockchain technology, including consensus mechanisms, real-time data services, and Layer 1 solutions. 

They're seeking experienced Node Engineers to focus exclusively on monitoring and maintaining their blockchain infrastructure. This role is vital to ensuring high availability, performance, and reliability across various blockchain networks and ecosystem services. You’ll be at the forefront of infrastructure observability, incident response, and performance optimization in a decentralized, mission-critical environment.
Key responsibilities: 
  • Monitor and optimize node health, sync status, and infrastructure performance
  • Deploy and maintain alerting systems using tools like Prometheus, Grafana, Loki, Datadog, and Opentelemetry
  • Troubleshoot issues such as node crashes, syncing delays, and RPC errors
  • Build and maintain observability dashboards for different blockchain networks
  • Develop lightweight diagnostic and health-check scripts (e.g., Shell, Python)
  • Track blockchain network updates (e.g., forks, protocol changes) that may affect node behavior
  • Maintain incident logs and runbooks; collaborate closely with the Node Operations team for escalations


Requirements
  • Experience in infrastructure monitoring, DevOps, or blockchain reliability engineering

  • Hands-on experience with setting up and maintaining blockchain nodes

  • Understanding of consensus and execution layer health metrics

  • Proficient with modern observability tools (Prometheus, Grafana, etc.)

  • Familiarity with containerized environments (Docker, systemd)

  • Ability to write custom monitoring scripts and proactively resolve issues

  • Strong communication skills and fluency in English

  • Comfortable working in rotating shifts and occasional weekends

Nice to Have

  • Knowledge of RPC platforms such as Chainstack or QuickNode



Benefits
  • Join a fast-growing startup with a diverse and dynamic team.
  • Fully #REMOTE environment with adaptable working hours, enabling you to work from anywhere globally.
  • Every role here is impactful, allowing you to engage in meaningful work that contributes to our success.
  • Paid time off, sick leave, and national holiday recognition based on location
  • Medical, dental, and vision coverage for eligible employees



Salary:

Negotiable

Required profile

Experience

Level of experience: Mid-level (2-5 years)
Spoken language(s):
English
Check out the description to know which languages are mandatory.

Other Skills

  • Communication

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